7581a tubes for sale. RCA branded, made by GE brown base in original box .
7581a tubes for sale I used these in my Primaluna Dialogue Premium HP amp with great results. Use Hifi Shark to monitor pricing and global availability Tung-Sol 7581A Tubes(3) Kijiji CA CA$200 May 1, 2023 Canuck Audio Mart Tung-Sol 7581A (3 Matched) Canuck Audio Mart CA$200 May 1, 2023 Audio Antiquary NATIONAL This was ground breaking because one pair 6550 power tubes could produce the same power as four EL34 or 6L6 tubes. Vinyl 261. New (Other) $1,359. 20% off. This tube ensures a solid low-end foundation. Related: 6550 tube kt66 kt66 tube adc headshell 7581a tube You are purchasing a beautiful matched pair of Sylvania / Philips ECG 7581A output tubes. Tung-Sol tubes reflect the b | 7581A TUNGSOLPL These are the coveted JAN Philips ECG 7581A , military grade , original boxes , new old stock (NOS) , direct replacement for 6L6GC. Sovtek EL84 Power Vacuum Tube. 7581A Tungsol Upgrade your 6L6GC tube with this beautiful, high headroom tube. The fourth got crunched in shipping. Mesa Mark III Coliseum Blue Stripe - Philips 7581A power tubes - V1 Siemens E83CC V2 Siemens E83CC V3 Tesla E83CC V4 ECC83 JJ V5 Sovtek LPS ECC83 Mesa Stiletto Trident II - Winged C EL34 power tubes - V1-3 Mullard ECC83 i61 V4 JJ ECC83 V5 Mullard ECC83 (Russia) Average used price about is about $600 USD and I see about 3 for sale the tube substition hand book is a nice reference for which tubes cross and substitute. Qty: Information: Applicable Amp Brand: Fender: Applicable Amp The 300B vacuum tube was first mass produced by Western Electric in 1938. Good clear printing, good clean plates, good clean tubes! Here's an interesting side note: the JAN-Philips 6L6WGB tube has the identical internal construction as the Philips 7581A tube (the industrial version of the 6L6GC tube). Matched pairs often are available Vacuum Tubes - Valves: $48. This got my attention as the price is shown as $29 per tube (for reference the NOS 7581A's I have seen are all in the $89-100+ per Off topic just for laughs & giggles I also have NOS Jan/Philips & Russian TS-7581A both new Prod tubes (7591A & 7581A) sound amazing - the TS 7581A & TS-7027A (both have tall bottle 6L6GC style) have different Pinouts but appear inside to be identical & both claim to be 35W vs 30 for TS 6L6GC-STR (which resembles the NOS small bottle 6L6 tubes Matched pair of Tung Sol 7581A power tubes. Products search. Always tested, matched, and guaranteed, Thousands of valves in stock. The EL34 vacuum tube is perhaps the most popular output power tube of all time. 50 postage. Tube When you need more power for your guitar or audio tube amplifier, these power vacuum tubes are the place to start. The only other tube I have been as equally impressed with is the (relatively) new Gold Lion KT88 reissue. 3%) NOS 12AU7 12AU7A ECC82 Tung-Sol 7581a Power Tubes, Matched Quad Brand New with 24-Hour Burn-In and Computerized Matching! Item: 7581a TUNGSOL MQ. All the best brands including JJ Electronics, TungSol, Electro Harmonix, Sovtek etc and all the key valves like 12AX7, 12AU7, 12AT7, ECC83, EL84, EL34, 6V6, 6L6, 5881, 6CA7 and so many more 845 Vacuum Power Tubes The 845 power tube is a transmitting triode vacuum tube used as an amplifier and modulation tube. (1) 950 Coronado, engraved base/ST bottle, new tube in white box. On sale; Manufacturers; Change cookie settings On Sale. If you want to try 5881's, I've had success with NOS Sylvania's. Perfect for Fenders or any other 6L6 based tube amp. Treyphan; Jun 18, 2019; Tube Audio; 2 3. I have just receive the tubes (JAN Philips 7581A's). by Tubes4ever Sun Jun 11, 2023 7:41 pm. However, this amp sounds so much better with the Tungsol 7581A and the Tungsol 6L6GC STR. See photos for condition of the tube. Don't know which power tube or preamp tube I've used a pair in an Ampeg B15 bass amp clone and also rotate a quad of them in a Dynaco ST70 HiFi amp. Many of these Tung-Sol vacuum tubes have customer Shop our great selection of 12AX7, 12AX7A, 12AX7EA, 7025, ECC83, ECC803S, 5751 (low gain), CV492, 7058, 12DF7, CV4004, B339, E83CC, M8137vacuum tubes now. 100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. National Electronics USA Made 7581A/KT66 Power Tube Filament Tested Used | eBay Used 7581 for sale on 400+ second hand hifi sites & shops. Still, it's a good idea to review the tubes pin out and compare it to the amp's wiring. 06-12-2019, 02:43 AM. Item #649598718. Modern Tung-Sol 7581a Tubes. 99 +$4. The total average hours of usage is approximately 75. 99 In Stock! NOS Tubes Precision Tested and New Listing 2 7581A GE HiFi Radio Guitar Scott Amplifier Vintage Vacuum Tubes SALE! Opens in a new window or tab. Buy It Selling a matched quad new in box Philips 7581A tubes. I recently saw that the Tube Store is showing a Tung Sol 7581a (www. Matched pairs, quads, and octets are available Upgrade your 6L6GC tube with this beautiful, high headroom tube. Nov 11, 2024. These are new old stock tubes, in their original boxes, and have never been installed or used. With 35w plate dissipation, would these be a good in-between if the group a/b tubes? Something went wrong. Radio tubes are valves. By the late 1950s there was a large selection of stereo hifi audio tube amplifiers available. The Tung Sol 7581A is considerably less expensive than the Tung Sol 7027A. FWIW, I'm looking forward to trying a build with the current 7581A reissue soon Buy Russian 6N1P vacuum tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. however, the 7581A has a 5 watt greater maximum plate rating (35W vs 30W) Fake 12AT7 #1. Forums. Brand New with FREE 24-Hour Burn-In! Brand New. Tung-Sol tubes reflect the b | 7581A TUNGSOLPL When I've compared 7581A vs 6L6GC even similar tubes from Philips or GE I just always prefer 7581A. Great match with Raven tube amplifiers. They were rated and matched Audio Tubes / 7581A / KT66 The 7581/A tube is an industrial strength version of the 6L6GC which is also said to be the American equivalent to the British KT-66. Other EL34 tube equivalent part numbers or substitutes are KT77 and 6CA7. These are the absolute pinnacle, the Iron Man of 6L6GC tube types. Vacuum tube amps and hi-fi cool-guy stuff for sale page. Never used, only put into an amp to test functionality. My favorite version of the 6L6 at a good price. Some of you say the Mesa STR 415 was specced after the Phillips 7581A, some say its the other way round, some say the STR387 = the 7581A. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 7581A Tubes for sale | eBay Originally, the 12AX7 / ECC83 vacuum tube was introduced to be a superior option for lower noise and microphonics over the 6SL7 tube that was commonly used in the 1940s. $65. Whether you need vacuum tubes for industry, hi-fi applications, ham radio, old time radio, or any other purpose, we will be the only supplier you will ever need. Best regards. This is more the case in amps that use four or more 6L6 tubes. 50 1167 Lot Of 145 3A2 6BA7 5964 5726 6AK6 6X8 6EJ7 1T4 6AL5 6AU8 6AH6 Vacuum Tubes. The sound is full with very pleasant mids and Sale On Select EL34 Vacuum Tubes. Back to top You want more power? The Tungsol KT150 vacuum tube is quite possibly the answer. 00: BC Dec 01, 2021: 2 : I received 3 Tung-Sol Russian Re-Issue 7581A tubes in original boxes with test scores. Price is firm. 99 (20% off) $79. Buy It Homepage for SND Tube Sales Home: Tube Testers Tube Tester Manuals Other Manuals Tube Sockets Our Buy List Ordering Info Return Policy The ratings 7581 are roughly the same as the 6L6GC while the 7581A has higher ratings. Companies including Leak, McIntosh, Dynaco, and Harmon-Kardon all offered high-end amps that would take advantage of the KT88 tube's abilities. Some of OFF - FOR SALE: Tung-Sol 7581A - (Matched Quad from TheTubeStore) Watch Report This Ad. Was leaning towards the Treasure but don't like sending/giving China anymore business. Vintage General Electric 12ax7 / 12at7. My price for 4 is $135. Info: JAN Philips 7581A (7) Asking Price: CAD $ 70. KT66 7581A NOS Tube GENERAL ELECTRIC GE TUBE MATCHED QUAD VALVE CV1075 VT75 6L6. If you search the net, you will find a formula for biasing a 7581A ( and other types ). A pair of these tubes can be biased to deliver crystal clean that will thicken into juicy crunch when pushed into overdrive. Elekit TU-8500 Stereo Tube Preamplifier Kit; Elekit TU-8550 Stereo Tube Preamplifier Kit; Elekit TU-8600S 300B Tube Amplifier Kit - Lundahl Version; Elekit TU-8850SE Stereo Tube Amplifier Kit; Elekit TU-8900 300B/2A3 Tube Amplifier Kit; Elekit TU-H82 Hybrid Tube Amp Kit; Model 16LM Mono Integrated Tube Amplifier; Model 8LM Mono Integrated Tube Their 12AX7, 6L6GC-STR, EL34-B, 5881, 6550, KT120, and 6V6GT vacuum tubes have all become some of our best selling tubes for use in both audio tube amplifiers and vacuum tube guitar amps. You are purchasing a beautiful matched pair of Sylvania / Philips ECG 7581A output tubes. 7581A Author: Tung-Sol Subject: FP-2001-11-17 Created Date: 11/18/2001 12:45:15 AM New Plate Current Matched Quad of Tung-Sol 7581A (KT66) Vacuum Tubes The Tung-Sol 7581A is rated at a higher 35 watts compared to the standard 7581 or 6L6GC. CD SACDs 21. These SOLD - FOR SALE: JAN Philips 7581A (7) Watch Report This Ad. Used – Mint. Time will tell. Industrial / military spec these are one of the finest 6L6GC style tubes ever produced. I have a quad of Winged C and I liked them and I might find some way to use them in the future but I usually preferred Philips for a 6L6GC. The only NOS valve dealer with a real The tubes on your New Ayon Audio Amp, Pre-amp, CD Player, DAC, Streamer are of the finest quality and are matched by a technician to your specific model. 1 • Raven Audio power cable • Raven Audio remote (like new), no marks • Raven Audio boxes/packaging • Tung Sol 7581A power tubes x 4 (new) • Preamp Tubes o Philips JAN 12AT7 7581A Tung-Sol (upgrades 6L6GC) King of clean-headroom tone! max. Found today in home audio amplifers such as the Cary CAD 805, Aries 845-G monoblocks, Unison S8, and many others. The one exception is the Tung-Sol KT66 tube. Data for each tube: MESA 55 mA 6,0 mA/v MESA 56 mA 5,0 mA/v MESA 56 mA 6 Classified: FOR SALE - Like New - TAD 6L6G-STR Black Plates + Mullard Re-Issue EL34 + Tung-Sol Re-Issue 7581A asking for $100. Always tested, matched, and guaranteed. We have a large selection of 300B tubes in stock everyday. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Vintage Tubes & Tube Sockets. Music titles on vinyl CDs 107. Thanks for looking! The 2A3 vacuum tube is a directly-heated triode power amplifier tube. RCA branded, made by GE brown base in original box The EL84, or commonly known as 6BQ5 in North America, was intended for use as an inexpensive alternative to the larger audio tubes of the time, such as EL34, 6L6, and KT66 power tubes. I bought Unbeatable prices on thousands of guaranteed vacuum tubes for sale, vintage NOS hi-fi audio tubes, radio tubes, ham and industrial ready to ship. RARE!! Philips ECG JAN 5814A Very Well Matched Quad (3. I went ahead and put a sextet of Tung Sol 7581A tubes in my Fender Studio Bass amp and had it rebiased for the higher dissipation tubes vs the 6L6GC's. This power tube is The Tung Sol 7581A is one of my favorite power tubes. 7581A Power Tubes $ 91. These are highly recommended for Dumble type circuits Two-Rock amplifiers, Bludotone, Glaswerks and any other guitar amplifier where you want a super beefy 6L6GC type tube. We carry all of the major brands in NOS, vintage and New Production vacuum tubes. Test conditions Va 300v, Vs 250v, Vg -18v, Vf 6,3v 100% under these conditiona is 54 mA and 5,2 mA/v. Four stars for my application, though I am certain these would be 5-star homeruns for many others I got these tubes to try out in an Ampeg PF-50T bass head, which I have been running with Tung Sol 6L6GC-STR power tubes, Tung Sol Gold Pin 12AX7 preamp tubes, and a Genelex Gold Lion Gold Pin 12AU7 master/PS. With 35w plate dissipation, would these be a good in-between if the group a/b tubes? T-S reissue 7581A: I kept but retired two sextets of the real Svetlana 6L6GC St. If your amplifier calls for this tube, you probably CANNOT use some of the earlier 6L6 tubes as they are not rated this high. Info: Tung-Sol 7581A - (Matched Quad from TheTubeStore) Asking Price: I have been on a power tube testing spree lately to see what I like and don't like. Substitute for KT66, 6L6GC and 6L6 (Contact Seller) (Other Seller Items For Sale) Feedback: 5. jads57. They can be used in any guitar amp requiring 6L6 type valves. SKU: 7581A-JAN-ECG | Add to Compare; 7581A/KT66 IEC Beam Power Amplifier Something went wrong. Aug 9, 2010. FOR SALE: 5814 tubes jan philips ecg tested, blackplate ge usaf rca: Vacuum Tubes - Valves: $50. This got my attention as the price is shown as $29 per tube (for reference the NOS 7581A's I have seen are all in the $89-100+ per Post subject: 7581a tubes for oddwatt amp? Posted: 22 Oct 2017 5:42 pm . Like Dislike. These are highly recommended for McShane Design - Citation & Other Vintage Tube Gear Fine Vacuum Tubes & Vacuum Tube Parts/Kits Sale Tubes & Parts! Prices good 'til they're gone: (25) 6H6 NOS, mostly GE JAN, excellent little metal dual diode, $3. The difference between these two tubes is only the size of the glass bottle. I like them (7581A's) very much in hi-fi gear. Images. 5581 tubes, for example, usually have a lower plate voltage 7581A Jan Philips ECG Beam Pentode AF Power-Amplifier (NOS/NIB) NSN #: 5960-00-728-1434; Can replace KT66; Size: 3. I still need more hours on the TS EL34b to proper evaluate them. No products in the cart. Billington Export (4155) 100% positive Feedback; Price: £200. 7581A can dissipate a whopping 35W, more power than any other current production 6L6. EL34 tubes have been used in guitar tube amplifiers and hifi tube amplifiers for decades. The only caps I replaced in the first pass are a pair of audio-coupling caps (K40s), and the HV bias small caps / selenium > schottky update. Brand: General Electric . 7581A refers to an unaviable 7581A Author: Tung-Sol Subject: FP-2001-11-17 Created Date: 11/18/2001 12:45:15 AM The 6L6GC is the latest version of the 6L6 tube. S. 6L6 | 5881 | 7581A Tubes ; 6V6 Tubes ; 6550 Tubes ; 300B Tubes ; 2A3 Tubes ; 6146 Tubes ; 6AS7 | 6H13C | 6N13 Tubes ; 6BM8 | ECL82 Tubes ; 7027 Tubes ; 7591 Tubes ; 7868 Tubes Tube 7581A or Röhre 7581A ID6180, Beam Power Tube, Octal (Int. For NOS my absolute favorite 6L6GC is the aforementioned RCA black-plates (however $$$) but I also love the JAN ruggedized Phillips and GE 7581A versions. 6L6 | 5881 | 7581A Tubes; 6V6 Tubes; 6550 Tubes; 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; 7868 Tubes; 211 | VT4-C Tubes; 807 Tubes; 845 Tubes; NOS Tubes Precision Tested and Ready to Ship! Need help? Call us 713-471-5408. Selling GE 12at7 pair in another ad. On sale; Manufacturers; Change cookie settings 807 Vacuum Power Tubes. Pre-Amp Tubes; Power Tubes; Rectifier Tubes; Power Triode Tubes; Western Electric Tubes; 7581A=6L6GC Beam Power Tube Pentode $ 100. $79. These have been used before but are testing strong above 100%. jads57; Aug 9, 2010; Boogie Classifieds; Replies 0 Views 423. Visit us now! On Sale. The 7581 that Tung-Sol has been selling is really a high grade 6L6GC and the tube store advertises it as such. PayPal extra. We carry over 5,000 radio and vacuum tubes in stock every day and we ship world wide. I am super happy with the pricey Shaguang KT-88-t tubes in my Don Sachs power amp. DVD-Audio Blu-Ray-Audio 4. Supporting Member. Browse all Hardware Ads; Browse categories; Dealer eShops; Software . This beast is rated for 70W plate dissipation! That's 10W more than the already impressive Tung-Sol KT120 power tube. 99, now $63. Up for sale is this National Electronics USA 7581A/KT66 guitar amplifier power tube that is in used condition. Amps and DIY Amp Kits; Capacitors; Books and Media; DIY; TubeDepot supplies vacuum tubes for musical instrument amplifiers, Hi-Fi amplifiers, vintage vacuum tube recording gear and associated equipment. I am now listening them, they seem to be very spatial and detailed. The jj 6L6 is ok but the WingedC seems to like 50+ watt amps. A set of FOUR factory Platinum Matched Tung-Sol 7581A tubes. Pre-Owned. The 7581A was a tube that stood head and shoulders above a standard 6L6GC. That tube is still available as the 7581A down below. We carry brands like Western Electric, Mullard, Telefunken, Sovtek, JJ, Electro-Harmonix, Genalex and Vacuum Tubes - Valves: $800. Tubes4ever Posts: 167 Join date: 2015-07-14 Location: Star, Idaho. Strange though, the 7581A looks IDENTICAL to the same vintage GE 6L6GC which I've also run in the 296 - have 2 spares. 6L6 | 5881 | 7581A Tubes; 6V6 Tubes; 6550 Tubes; 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; 7868 www. I really can’t go back to the JJ power tubes any more and am including both Tungsol quads with this sale (at no additional cost). New posts New media New media comments New profile posts Latest activity. I bounced it off Ceria, and he responded straight away. Pre Shop our great selection of 7591A, 7868, 6GM5 vacuum tubes now. 00: WI Apr 07, 2023: 11 : FOR SALE: Triplet 3413-A Tube Tester NOS RCA GE Motorola Western Electric Tung-Sol + Vacuum Tubes - Valves: $800. For super rare tubes, I heard an amazing amplifier that ran the 252 meshplate tube. These are electrically somewhere between the classic 5881 (23 watts) and 7581A/6L6GC (35 watts). The tubes have been tested and matched on an AVO tube tester. The 7581A is an upgraded 6L6GC with more MORE TUBE TESTERS COMING VERY SOON, PLEASE BOOKMARK THIS PAGE!!! Questions? Call us at 847-496-4546 from 8 AM until 4 PM, Monday through Friday, USA Central Standard Time. Brand New with FREE 24-Hour Burn-In! Pair of JAN Philips 7581A power tubes. Tung-Sol tubes reflect the b | 7581A TUNGSOL Groove Tubes is not currently making these, so these are WHILE SUPPLIES LAST! These will work anywhere a 6L6 type (G, GA, GB, GC, or metal), 5881, or KT66 is used. Buy from the experts and avoid hassle! Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) 7581 TUNG-SOL. Buy from the experts and avoid hassle! Brand New Tung-Sol Reissue 7581A KT66 Current Matched Pair (2) No original boxes but will be packed securely. Next product →. The 6550EH offers the maximum power of any 6550 with the linearity guitar and bass Hi-Fi 4 Sale - Malaysia / Singapore Audio Forum & Marketplace | www. Brand New. Order Tung-Sol 7581A vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. Join Date: Jan 2013; Posts: 3241; Location: Cape Coral, FL; Share Tweet #7. What's new. Originally $79. 0 bids · Time left 14h 54m left (Sat, 11:14 AM) +$6. It offers an impressive amount of clean headroom and boasts a plate Order Tung-Sol 7581A vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. All About the KT88 7027A Vacuum Power Tubes. I'm thankful for a great functioning and sounding 6L6GC type tube in current production at a reasonable price. 50 ea. These tubes are best known for their mid-range sound frequencies and rich, smooth audio output. AFAIK both versions are still currently in production, or at least for sale on multiple websites. Look at the flashing - not even a hint of brown anywhere. We provide tube sets for virtually any vintage or new production amp on the market. Opens in a new window or tab Vacuum Tubes and NOS Tubes – Tubes Unlimited is Your #1 ONLINE Source for Vacuum Tubes – All NOS tubes types for home audio and guitar amplifiers. A decade or so later, bass guitar tube amp icon Ampeg was using PHILIPS & SYLVANIA 6L6WGB / 5881 USA Made by the Sylvania factory in the 1960-1970s and under Philips ECG label during 1980s. Great for tube stereo or guitar amps. In the bass amp, they offer exceptional bass tone For sale are (9) matched Tung-Sol 7581A power tubes in excellent condition. IMO from my own listening tests comparing these two tube types in my hi-fi system. com. On Sale. 81. This tube is directly substitutable with the KT66, in fact a 7581A IS a KT66. Opens in a new window or tab $90. 00. For single-ended triode amps, I like 45s and 2a3s. Tubes for industry, music, ham radio, the audiophile. Great tone. Details Read more. For Sale 2x PIONEER General Electric 7581A for sale. The audio coupling caps could be a big part of the sonic difference if the old ones were bad (weren't noisy, original "black beauty" Sprague). Need help? Call us 713-471-5408. I like high headroom high gain and low gain and that's most of my playing so I'm not very diverse. Today, a look at almost any guitar tube amp, be it Fender, Marshall, Vox, or any other, will prove the 12AX7 / ECC83 / 7025 tubes are here to stay. The big question is how much plate voltage your amp runs and how much plate voltage the tube in question can handle. No trades. SED tubes are well known for their quality and superb tonal characteristics. 30-Day Return Policy. 00: ON Aug 26, 2024: 3 : FOR SALE: Vintage 1965 Ultra Quiet Philips Amperex NOS 12AX7 Matching Quad branded for Electrohome tube organs This was ground breaking because one pair 6550 power tubes could produce the same power as four EL34 or 6L6 tubes. Holiday Sale Site-Wide 10% Off! Now through Sunday. SLEEVE OF 5 GENERAL ELECTRIC 7581A \ 6L6GC VINTAGE VACUUM TUBES These are 35W direct replacements for 6L6GC tubes, and one of the most rare variants in existence. 00: Payment method: Cash, Paypal, Cheque, Money Order: Shipping weight: 6L6 Variant, and my favorite tubes for the Leben CS600. This set will give you extra Horse Power with plenty of headroom to spare. This tube is a direct substitute for the KT66, and is in fact a version of the KT66. Qty: Information: Applicable Amp Brand: Fender: Applicable Amp Tung-Sol 7581A - 7581A gets an A+. 6V6 Tubes . That may be changing very soon. 5" diameter For-Sale: Tubes: Post an Ad Flag Ad: Miscategorized Spam or Suspicious: Tung Sol 7581A, matched pair. BRENT JESSEE RECORDING & SUPPLY, INC. Since that time the 300B power tube has become possibly the most revered tube in high end hi-fi amplifiers. I have owned most of the 6L6GCs except the RCA black plates. Matched, in stock and ready to ship! Order Now! The Tung-Sol 7581A is an upgraded version of a 6L6GC, meaning it has much more clean headroom. You are Tung-Sol 7581A Vacuum Tube “7581A gets an A+. 300B Tubes . There have been a few attempts to recreate this tube but it was never really accomplished. The KT150 power tube delivers a strong bass signature that adds weight and impact to your audio. 5. The 7581A is supposedly an upgraded 6L6GC with a higher (35W) dissipation rating. In stock and ready to ship! Order Now! A recent customer comment: That went smoothly. These have gray plates and halo side getters. 3%) NOS 12AU7 12AU7A ECC82 5814. the variables are maximum rated valve output, divided by plate voltage , the resulting fraction being multiplied by 70 percent to give a max. The 7581A is a 6L6GC based tube, but supposedly hotter and designed for audio applications. They are very long lived tubes. We are very impressed with the quality of these new Tungsols. Best Selling in Vintage Tubes & Tube Sockets. Tubes measure as new. Type: Nos Tube . Never used, they've been sitting in a box in my closet all these years. The ultimate 6L6GC tube for guitar and audiophile applications where clean power is required. C. Use Coupon Code: HOLIDAY10. Tung-Sol 7581A Power Tube. item 8 Tung-Sol 7581A Power Tube Tung-Sol 7581A Power Tube. Catalog; Repairs & Mods; Resources; Links; Policies; Contact; My Account; NOS GE 7581A (Singles Only) $120. plate dissipation: 35W made in Russia I don't consider this tube as a 7581A but as a 6L6GC since it dissipates a Pmax of 30W. HELP 1-877-570-0979 7581A Tubes; 6V6 Tubes; 6550 Tubes; 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; The Best Vacuum Tubes: Power tubes and preamp tubes matched for any guitar amp or stereo tube Get the best deals for 7581A Tubes at eBay. Nice original boxes. 99 In Stock! NOS Tubes Precision Tested and Eimac 4-65A 8165 NOS Vacuum Tubes $149. $203. I have several more pairs if you need a quad. It is a replacement for VT4-C tube types. Sleeves like this only come by onc for a new production tube, Ive had good luck with the WingedC 6l6. Large Image: 7581 Tung-Sol specifications (PDF) Classified: FOR SALE - Like New - TAD 6L6G-STR Black Plates + Mullard Re-Issue EL34 + Tung-Sol Re-Issue 7581A asking for $135. com - Tung-Sol 7581A Audio Tubes new production, that advertises 35w plate dissipation - not a 7581 at 30w as I have seen in the past. Parts arrived on time, now installed and working fine. New posts Search forums Subscribe. {"delay":300} Sponsored Sponsored Sponsored Sponsored Sponsored Sponsored. 6550 Tubes . SED Winged "C" audio tubes are made by SED SPb, a division of J. On the other hand, KT66 tubes have a higher overload tolerance, which is why they’re often found in jazz guitar amps. 00 + £5. 73; Tung-Sol Factory Platinum Matched QUAD JAN Philips 7581A's (super 6L6GC) (Back to review index) Hi Mike. . Matched pairs, quads, and octets are available Brand New Tung-Sol Reissue 7581A KT66 Plate Current Tested Vacuum Tube The Tung-Sol 7581A is rated at 35 watts vs the standard 7581 or 6L6GC. To compare these Rubys to the This sale includes: • Raven Audio Blackhawk 3. Of all the KT series 7591 Vacuum Power Tubes. Joao FYI these new production Tung Sol 7581 tubes have a thicker and slightly fatter bottom end than the company's 6L6GC-STR's, and they might also have a slightly relaxed top end. Originally $100, now $65 ($35 off) $100 Original price. New Platinum matched QUAD (FOUR) Tung-Sol 7591A tube. New Matched Octet (8) Tung-Sol 7591A Reissue Vacuum Tubes. Replies 51 Views 15K. 99. Tested like new. FOR SALE: Tung Sol 7581A Matched Quad . Posted by G on 5th Feb 2021 . Thousands of 6L6 / 5881 Vacuum Power Tubes. The Tung-Sol 7581A is an upgraded version of the Tung-Sol 7581. For Sale/Trade: Used Sylvania Boogie STR-415 6L6's U. The condition rating of 7 (good) refers to how the tubes test. Opens in a new window or tab. FWIW, the 7581 is a 30 watt tube, but the New Sensor Tung Sol 7581A is a 35 watt tube. 0: Matched pair of Tung Sol 7581A’s. Why settle for NOS tubes of unknown quality when you can have these tubes that are burned in for 24 hours and then bias matched for plate current. Originally intended as a transmitting tube, the 211 has long been a popular power triode for hifi audio. Item #649725374. $357. We keep both NOS (New Old Unbeatable prices on thousands of guaranteed vacuum tubes for sale, vintage NOS hi-fi audio tubes, radio tubes, ham and industrial ready to ship. Info: Tung Sol 7581A Matched Quad. That may be changing Find many great new & used options and get the best deals for GE NOS Tube - 7581A at the best online prices at eBay! Free shipping for many products! On Sale. About 50 hours on them. Classified: FOR SALE - Like New - TAD 6L6G-STR Black Plates + Mullard Re-Issue EL34 + Tung-Sol Re-Issue 7581A asking for $100. Similar items you Strongly committed to quality manufacturing, Tung-Sol tubes have always been known for their reliability and great tone. 95; Electro-Harmonix Factory Platinum Matched QUAD (FOUR) 6973 Power The tubes that are included with it are the JJ6L6 and 12Au7 so you don’t need to purchase tubes. The tube at left is a General Electric-made 5965 rebranded as "12AT7" by International Components Corporation. Google data sheet for the tubes you are interested in and compare the data. 99 shipping. not a 7581A. and became quick competition for the USA made 6550 tube. These 7581As are know for high headroom and astounding response from treble The best place to purchase vacuum tubes for your tube amplifier! Amp tubes for your high-end home audio tube amps to classic guitar amps. These tubes test over 100% on my Sencore tester. Or even better if you can run to them : 7581A Philips ECG Sylvania - NOS Vacuum Tubes for Sale | Tubes Unlimited 7581A Philips Sylvania Vacuum Tubes $149. 00: BC Dec 01, 2021: 2 : The 211 vacuum tube is a directly heated power tube triode with a carbon anode capable of up to 30 watts in single ended operation. So far as I know, few tube amps can swap between EL 34's and KT88's. 00 $0. Hello – I have a matched pair of GE 7581A KT-66 tubes for sale. Browse all Hardware Ads; Browse categories; Software . 95; Tung-Sol Factory Platinum Matched PAIR (TWO) KT150 Power Tubes $ 284. These are the coveted JAN Philips ECG 7581A , military grade , original boxes , new old stock (NOS) , direct replacement for 6L6GC. 0 3 product ratings. 6AS7 | 6H13C | 6N13 Tubes . They are much better than the Gold Lion KT88's, which are also very good. 50 ($29. 99 In Stock! NOS Tubes Precision Tested and Ready to Ship! Need help? Call us 713-471-5408. 6" High from base bottom to top of Glass envelope, 1. The 7581A is an upgraded 6L6GC with more headroom. 2 Matched NOS Sylvania 6L6GC Power Tubes ~ Solid DiscGetter ~ Rich Warm Fat Tone ~ High Power 6l6gb/6l6. 9 out of 5 stars based on 48 product ratings (48) These are no ordinary tubes. The 7581a shuld be here within a week. 00 MORE TUBE TESTERS COMING VERY SOON, PLEASE BOOKMARK THIS PAGE!!! Questions? Call us at 847-496-4546 from 8 AM until 4 PM, Monday through Friday, USA Central Standard Time. Some of Now, from an electrical standpoint: These tubes can all be considered variants in the 6L6 family — there are many more as well, including a number of 6L6 variaties. Electronics. Vacuum tube testers for sale page. GE 7581A Vacuum Tubes (upgrades 6L6 GC) NOS Made in USA New Old Stock Tubes All 4 tubes test very strong, matched quad Selling price : SOLD Interested please contact Alan 016-5576846. The OP made comparison of the TS 7581 tubes to, among other tubes, the KT88's in his first sentence. Matched tubes in stock and ready to ship! Order Now! 7581A Tubes; 6V6 Tubes; 6550 Tubes; 300B Tubes; 2A3 Tubes; 6146 Tubes; 6AS7 | 6H13C | 6N13 Tubes; 6BM8 | ECL82 Tubes; 7027 Tubes; 7591 Tubes; Black Friday Sale | Amps / Kits / Parts . Tung-Sol 7581a Power Tube, Matched Quad. Pre-Amp Tubes; Power Tubes; Rectifier Tubes; Power Triode Tubes Rare Philips ECG Sylvania made 7581A power New Listing 2 7581A GE HiFi Radio Guitar Scott Amplifier Vintage Vacuum Tubes SALE! Opens in a new window or tab. hifi4sale by Kinta Valley Audio Thu Nov 07, 2024 9:23 pm. They are included. NOS Vacuum Tubes for Sale | Tubes Unlimited #1 ONLINE Source for NOS Vacuum Tubes. 1 x NOS DualSideGetter 6L6GC General Electric USA ~ Clear Top Premium Power Tube ~ Warm Refined Tone Punchy Dynamics. GE 7581A. Login / Register. Pre-Amp Tubes; Power Tubes; Rectifier Tubes; Power Triode Tubes Rare Philips ECG Sylvania made 7581A power output tubes. Related: kt66 tube 6550 tube kt66 adc headshell 7 1167 Lot Of 145 3A2 6BA7 5964 5726 6AK6 6X8 6EJ7 1T4 6AL5 6AU8 6AH6 Vacuum Tubes. You can of course, bias 'cooler' should you wish. 00 In Stock! NOS Tubes Precision Tested and Ready to Ship! Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes. For cosmetics please look at the picturesThe $150. Payment method: Cash: Shipping Weight: They were used in rotation with Tung-Sol 7581A tubes in a McIntosh MC240 tube amp. > Vacuum Tubes > Like New - TAD 6L6G-STR Black Plates + Mullard Re-Issue EL34 + Tung-Sol Re-Issue 7581A. Add to Cart. A decade or so later, bass guitar tube amp icon Ampeg was using Finding these tubes at a reasonable price is next to impossible, and this is a way to get an excellent value on these wonderful tubes, especially if you need current matched tubes for your amplifier. The KT88 was invented by Marconi-Osram Valve Co. They were made in 1978 and have matching 7581 TUNG-SOL. Visit us now! I have a pair of GE 7581A that I just tried in it, and it really Home. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 7581A Tubes for sale | eBay I bought this quad of matched and tested Philips 7581A tubes directly from the great KOS NOS Tubes over ten years ago. Some tubes labeled and boxed as RCA. SELL ME YOUR TUBES, TUBE TESTERS, OR TUBE HI-FI! KT66 / 7581A (6L6GC equivalent) All Genalex KT66, 7581A, W-E 350B, 6L6GC, 6L6WGB, and 5881, British and USA vintage. Home Price Lists Help Center Shipping Policy Rare Philips ECG Sylvania made 7581A power output tubes. If you like 6550’s in your Marshall (many do) this tube would be an excellent choice for an alternate. Approximately 300 hours on them. Post subject: 7581a tubes for oddwatt amp? Posted: 22 Oct 2017 5:42 pm . If you wan to be able to push your amp when needed these are the rubes. A. 6L6 | 5881 | 7581A Tubes ; 6V6 Tubes ; 6550 Tubes ; 300B Tubes ; 2A3 Tubes ; 6146 Tubes ; 6AS7 | 6H13C | 6N13 Tubes ; 6BM8 | ECL82 Tubes ; 7027 Tubes ; 7591 Tubes ; 7868 Tubes SOLD - FOR SALE: JAN Philips ECG 7581A (KT66) - Matched Pair! Watch Report This Ad. These are highly recommended for Dumble type circuits Two-Rock amplifiers, Bludotone, Glaswerks and any other guitar amplifier where you want a super beefy Philips 7581A vacuum tubes, matched pair. 00 price is for both tubesIf shipping is needed please add $25. Cash,etransfer,paypal. Price includes shipping in the lower48. Prices Help Order Wanted Contact Mission FAQ How Vacuum Tubes Work. For less common types, I like the 349 (a tube I run in my pushpull amps) and 350 (similar to 6L6). For Sale 2x PIONEER JAN Philips 7581A's (super 6L6GC) (Back to review index) Hi Mike. Going to roll some tubes eventually and see if I can tell between the 6L6GCs and GE 7581A KT-66 for sale. Asking Price: USD $ 70. New Matched Quad (4) Electro-Harmonix 6550 Ceramic Vacuum Tubes New Plate Current Matched Quad of Electro-Harmonix 6550 Ceramic Vacuum Tubes The 6550EH is one of the finest new production tubes for any amp using 6550 or KT88. Post Cancel. 1590 West Algonquin Road #111 Hoffman Estates, IL 60192 Voice Phone 847-496-4546, Monday-Friday 8AM to 4PM USA Central Time TungSol 7581A is a drop-in replacement for any 6L6 tube. {"delay":300} Sponsored Sponsored Sponsored Sponsored Sponsored Sponsored Sponsored. Post n°8; Re: Replaced my Genalex kT66 with the newer Tuns-sol 7581A tubes. 00 to $399. Our tubes are always tested, matched and guaranteed. Retail for 4 is $200. The test results are labelled on each tube box as shown. Groove Tube techs in California have carefully screened these tubes for quality, plate current, and breakup (distortion), and sorted them into matched pairs and quads. 6BM8 Many 6L6 based tube amplifiers are not equipped with power transformers that can handle this extra current. You will find many of these tubes in our Product Reviews. These tubes test great on my Hickok 6000 and are a perfectly matched. 95. $35 off. automojo. Currently in production by Electro-Harmonics, Sovtek, and Shuguang. Anyway i am glad about the first impressions. The only NOS valve dealer with a real webstore. New tubes reading around 5900. This is the High Power Tube Set for Fender® Twin Reverb. Classified: FOR SALE - Tung Sol 7581A matched pair of tubes asking for $40. Your friendly trusted tube store with fast worldwide shipping. J. Comment. recommended bias threshold. Item #649440903. It’s a reliable tube that offers sonic sounds with excellent dynamic detail across a broad audio spectrum. All tubes tested on my Western Electric KS-5727-L1 tube tester with no shorts. Test result shown on picture. Compare it to a typical 12AT7 pictured in the center and a type 5965 tube at the right. Item #650090587. 99 Original price. Octal, IO) K8A, USA 1935 and shown. Sale On Select EL34 Vacuum Tubes. ← Previous product. I was driving 92dB WATT 3s with subs and that was fine. 00 to the priceFor sale are 2 hard to come by 7581A output tubes as used 6146 Vacuum Power Tubes. View cart for details. Petersburg, Russia. SKU: ge 7581a. All prices are per tube. 00: OH Apr 01, 2023: 12 : FOR SALE: Tung Sol KT 150 power tube set of 4 free GE 7581A Vacuum Tubes $120. Register; Login; Place an Ad Free for hobbyists! Hardware . Kinta Valley Audio Frequent These tubes had nearly 700 hours on them at the time they were retested. which is generally considered the best of the high power 6L6GC's ever made. 14-Day Return Policy. On Sale '66 Bugle Boy 6DJ8 ECC88 Quad ~ Set of 4 Audio Grade Tubes + Matched ~ Philips Heerlen Holland ~ Rode K2 NTK Preamp Stereo HIFI ~ Grail Tone The 6L6GC is the latest version of the 6L6 tube. WopOnTour Old1625 As I stated here before, my favorite among popular tube types are 6L6 and KT66 for pentode/tetrode tubes. These Tung-Sols were built to last with a very large plate structure and many heat dissipaters for maximum reliability. thetubestore. This group came from Viva Tubes. Free Shipping. This version has a 30 watt plate dissipation, 500V plate rating and 450V 5watt screen rating. Retail Price: USD $100. Large Image: 7581 Tung-Sol specifications (PDF) I mangen to get 2 Tungsram and 4 RFT Preamp tubes but now I am looking to hunt down a Quad of the sought after Sylvania 415. In addition to clear and soulful tones of TungSol 12AX7/12AT7 tubes, this set comes with higher powered TungSol 7581A. The issue is the 7581a need at least 150hrs of burn in for them to open up. Purchased in April Get the best deals for 7581A Tube at eBay. 00: ON Jul 29, 2024: 2 : FOR SALE or TRADE: NOS NIB 0A2, 884, 917,930, 2050 Thyratron Argon gas tubes for some Projector Pinball, Jukebox never: Vacuum Tubes - Valves: $25. Capable of handling more power while maintaining clean headroom. 00: AZ Apr 12, 2023: 10 : FOR SALE: Tung Sol 6SN7 Mica Pair: Vacuum Tubes - Valves: $599. Good for McIntosh 240 or any tube amplifier that use 6L6GC tubes. 99 (5 offers) - Buy GENERAL ELECTRIC 7581A Tubes Ge Nos KT66 . The TS EL34b are definitely smoother on top compared to the Mullards so far. JAN stands for Joint Army Navy. Joined: 19 Jul 2012 4:45 pm Posts: 16 Has anybody tried the Tung Sol 7581a tubes in the oddwatt. The fourth got crunched in shipping, so I ordered a replacement from Tube Depot. Type Substitutes Base Diagram; 7581A: Web References: The Sylvania Type 7581A is a power output tube capable of furnishing 50 Watts of power output at very low distortion when operated as Push-Pull AB 1 Amplifiers. These are burned in for 24 hours and then factory matched at real world voltages for current and transconductance. The sound is full with very pleasant mids and The Tung Sol 7581A is one of my favorite power tubes. Get the best deals for 7581A Tubes at eBay. Petersburg and re-tubed two SE-40 monos with the re-issue T-S 7581A but still have not put mileage on them. This is not just ANY 6L6GC replacement. Pickup in Markham. Originally $195, now $175. Can be used in place of 6L6 tubes. SKU: 7581A-JAN-ECG | Add to Compare; 7581A/KT66 IEC Beam Power Amplifier The 7581A and 6L6GC will test the same on tube testers. T-S reissue 6L6GC STR: . Find many great new & used options and get the best deals for GE NOS Tube - 7581A at the best online prices at eBay! Free delivery for many products! SED Winged "C" tubes are now be considered NOS (New Old Stock) so be sure to get yours before they are gone. Watch Report This Ad. Shipping extra. Vintage Tubes & Sockets Audio For Sale ( Brand: General Electric ), ( Type: Nos Tube ) Review (MPN # KT66 for sale) GENERAL ELECTRIC Tubes Ge 2/7 581a Nos. Tung-Sol 7581A vacuum tubes for sale. Joao 100% Guaranteed & Tested Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Strongly committed to quality manufacturing, Tung-Sol tubes have always been known for their reliability and great tone. 7581A Philips ECG 6l6gc Old Stock Valve Tube M15. I will gladly answer any questions. Media. Price Drop. Matched pairs, quads, and octets are available Power Tubes (not for sale) Svetlana 6L6GC: Ruby 6L6GC STR: JAN Philips 6L6WGB: JAN Philips 7581A/6L6GC: Svetlana EL34: JAN Philips 6V6GT: Ruby 6V6GTBC: NOS 6K6GT: Preamp Tubes. We carry everything from NOS RCA 6L6GC black plates to JJ 12AX7s. The 7581 has a plate voltage rating of 500 V--35 watts (5 watts more than the 6L6GC) and a screen rating of 450V--5 Order Tung-Sol 7581A vacuum power tubes online, in stock and ready to ship! Find reviews, data sheets and specs to upgrade your tube amplifier. As well it offered more gain. Tube life is this only parameter I'm watching (and waiting) to see in comparison the the American pieces. I own the GE, Philips and Tung Sol 7581A. Register; Login; Place an Ad Free for hobbyists! I have 3 Tung-Sol Russian Re-Issue 7581A tubes in original boxes with test scores. KT66 - 6L6GC - 5881 - 7027 (with mod) - 7581A/KT66 KT77 - 6CA7 - EL34 KT88 - 6550A EL34 - 6CA7 - 7D11 - 12E13 - KT77 - KT88 6L6 - 5881 Vacuum Tubes and Radio Tubes Our specialty. Tung-Sol 7581A,4 matched tubes,in excellent condition. It didn't take long for tube amp designers to notice and quickly hifi tube audio amps from Heath, Dynaco, McIntosh, Fisher, Scott, and others could be found in living rooms all over America. Info: JAN Philips ECG 7581A (KT66) - Matched Pair! Asking Price: CAD $ 250. Marshall also got into the action a few years later when they released the 200 watt Marshall Major amplifiers. audiotubes. Of course i am sure after they are "well burned" they will sound better than now. Uprated The OP made comparison of the TS 7581 tubes to, among other tubes, the KT88's in his first sentence. Svetlana in St. This set contains 4 Tung-Sol 7581A New Production Power Vacuum Tube Just bourgt a pair of green labeld philips 7581A 6l6 nos tubes and will try and find the sylvania 6ca7 fatboys. Payment and Shipping: Pay Australia's largest range of preamp and power tubes / valves for your tube amplifier. My favorite of them was the Philips/Sylvania 6L6GC with the dual getters. Today's new production Tung-Sol tubes are constructed with the same commitment to quality and reliability. Find all of the most popular audio tube types here like 6L6, EL34, EL84, 6V6, 6550, KT88 and 300B just to name a few. The 6550EH offers the maximum power of any 6550 with the linearity guitar and bass OFF - FOR SALE: Tung-Sol 7581A - (Matched Quad from TheTubeStore) Watch Report This Ad. Quick view. Today's new production Tung-Sol tubes are constructed with the same commitment to quality Upgrade your 6L6GC tube with this beautiful, high headroom tube. 0/5. This tube has very minimal noise and microphonics and has a smooth and Brand New Tung-Sol 7581A Matched Quad (4 tubes) The Tung-Sol 7581A is an upgraded 6L6GC tube that will provide a lot more headroom in your amplifier. 30 Day Rock Solid Warranty on ALL NOS Tubes! We 100% Test each vacuum tube before shipment to The 7581A tubes sound as good but about $100 cheaper. Originally $295, now $265. 00 I mangen to get 2 Tungsram and 4 RFT Preamp tubes but now I am looking to hunt down a Quad of the sought after Sylvania 415. 00 to the priceFor sale are 2 hard to come by 7581A output tubes as used Brand New Tung-Sol Reissue 7581A KT66 Plate Current Tested Vacuum Tube The Tung-Sol 7581A is rated at 35 watts vs the standard 7581 or 6L6GC. These tubes can be pushed as they have lots of headroom. This tube has very minimal noise and microphonics and has a smooth and Pair of Tung-Sol 7581A vacuum tubes for sale. FOR SALE: Nagra Tube DAC - Single owner, excellent condition; FOR SALE: MARK LEVINSON ML-50 monaural amplifiers; 4 Tung Sol 7581A. 6146 Tubes . $70 shipped NOS Vacuum Tubes for Sale | Tubes Unlimited #1 ONLINE Source for NOS Vacuum Tubes. $19. These are 35W rated plate dissipation and it is well known that they can handle 500-plus vDC easily. These are found in Ampeg and Fisher amplifiers. D. Owners of amps from Dynaco, Eico, Mullard, and Fisher, among others, were enjoying great This is the High Power Tube Set for Fender® Twin Reverb. $63. 7581A Tubes . Randall. Matched tubes in stock and ready to ship! Order Now! A recent customer comment: That went smoothly. The Tung-Sol 7581A is an upgraded version of a 6L6GC, meaning it has much more clean headroom. This will allow you to get a more Rare Philips ECG Sylvania made 7581A power output tubes. SACD DVD-Audio 2. Using your fine tube amplifier, Classified: FOR SALE - Tung-Sol 7581A Tubes (7) asking for $165. Tubes4ever. 4. I have managed to find a matched Quad of Phillips 7581A. I did a dumb thing buying 88dB sensitivity tower speakers and that’s too low for “80 watts”. The 7581A is a 6L6GC variant. The ultimate 6L6GC tube for guitar and audiophile SOLD - FOR SALE: JAN Philips ECG 7581A (KT66) - Matched Pair! Watch Report This Ad. AFAIK Ampeg tube sockets were generally not wired in a way where these differences were relevant. He doesn't know this tube, and is not sure if it really Home Resources References Tubes Forums Links Support Sale Tube Substitutions for: 7581A Beam Power Pentode. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Matched pair of Philips ECG 7581A power tubes from May, 1985. 2A3 Tubes . Shopping Cart 0 items. lonaqtzgdunbisxczdpsndteyykiburmzmdevpdkpdazmdfzigwm