Tung sol 6550 nos. Hoffman Amplifiers Tube Amp Forum, GE 6550 tubes vrs.

Tung sol 6550 nos They are the same tube only new, sure they haven't been sitting in a box for 30+ years but technology has moved on. 0353 (Best Overall Pair) 6550 Tungsol gray plates NOS 1975 (139ma and 140. Pr $ 129. Add to Cart. 00 No Credit Check. My amp has auto-biasing, so I can swap tubes pretty For example, I would be hesitant to use NOS Tung Sol 6550 in a Citation II, due to plate voltages/current issues. See NOS Triple Disc Getter Dyna FOR SALE: Tungsol 6550 NOS Watch Report This Ad. Burbank, CA 91506 | 11636 Ventura Blvd. These are the real deal and as good as it gets for 6550's. Subscriber. 99 In Stock! NOS Tubes Precision Tested and Ready to Ship! Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes. IFa big IF, one could source the NOS GE 6550's in great condition, then i believe these are the only 6550's that may sound better than the SED's. Later, GE and Philips produced straight bottle 6550s. Price: $250. New Old Stock. All tubes have been pre-tested and matched (at no additional cost) on industry-standard testers. nmchiefsfan Posts: 78 EL84/6BQ5 REISSUED. best new production 6550 I just replaced the Sovtek 6550WE which came with my ARC I/50. 99 In Stock! Grey Plate Tung Sol 6550 “coke bottle” shape 6550 with solid grey plates, branded as Tung Sol, Sylvania, Magnavox, and RCA these are the creme de la creme of 6550’s. Email address. Price was not too bad . 2 NOS Tung-Sol 6550 Metal Base Strong Gm and mA Tung Sol 6550 3 hole made in USA in 1960s NOS Date code = 1968! RCA stencils. Quantity: Add to Cart. Factory Platinum Matching Pair Tung Sol 6550 Tubes, Brand New in Box. I have NOS GEC KT-88’s and KT-77’s (smoked glass ). I put 6 matched tung-sol 6550's in my ampeg svt 2 pro head and 2 tubes failed in the first month and made my amp go into protect mode. USA made, Tung-Sol 6550 are the benchmark on which every other power tube is measured. Reactions: Oerets and trainbuftony. NOS Triple Disc Getter Dyna Company Tungsol USA 6550 Power Tube ~ Grail Vintage. I have listened to the following 6550's: SED winged C, Penta Lab's 6550, GE 6550A, and Tung-Sol reissue 6550. Very low hours as I have four pairs of TS 6550s I rotate between, among other power tubes. Plate Holes. This is amongst the first generation, which features a 40mm black plate, and 3 larger areas of flashing. Tung-Sol 6550 Vintage Solid Black Plate Coke Bottle Power Tube USA. I’m usually a Vintage NOS tube guy only, if I’m buying them. Promoted Similar Listings. 1; 2; First Prev 2 of 2 Go to page. Excellent imaging, and very holographic, with excellent bass. All tubes test right on top of each other at 30 mA @ 400V. EH 6550. 6550 Tung-Sol Beam Power Amplifier - Audio (NOS) (NOS/NIB) $180. AP1, Oct 17, 2020 #16. Matched very tightly, these are extremely hard to come by! A few singles available with broken guide pins. None of the Russian tubes could hold a The GE 6550A, SED (=©=) 6550C, and the NOS MOV/GEC 'real deal' KT88 are similarly rated (42W plate dissipation vs 35W for the NOS Tung-Sol 6550, the NOS RCA/Sylvania 'straight' 6550, and most of the Chinese 6550 and KT88 variants). thetubestore. Due to its rugged construction and conservative ratings, it is the most reliable current production EL84 ga('set', '&cu', 'EUR'); ga('ec:addImpression', { 'name': '6SU7GTY Tung-Sol JAN USA "Super 6SL7" NOS', 'id': 'S6SU7', 'price': '179', 'brand': 'Tung-Sol Electron This set contains 2 Tung-Sol 6550 New Production Power Vacuum Tube. I was wanting another set as back up. christopher2159 (5,613) 100%. It came in a Standard Brand box which has seen better days. 6550 k,g3 st- 16 bottom view basing diagram jedec 7ac pin 1 no connection or base shell glass bulb large wafer octal with barriers 7 pin low loss 87-99 the 6550 is a beam pentode power amplifier primarily designed for audio service. $225. The lettered date codes - 322DR3 as an example - would have been Original Tung-Sol 6550's, made in the USA. Tung-Sol KT120 Matched Quad. 8', 'brand': 'ELECTRO HARMONIX The Tung Sol 6550 works reliably in many very demanding applications. You just need to confirm with Rogue the correct I keep seeing these tubes on Ebay auctions claiming reissues to exact specs of the old Tung-Sol 6550. $63 off. Sweeten up the preamp section of that Vintage Ampeg B-15. Some NOS 6550 may not keep vacuum well enough to survive high voltages either. I dont know here RCA's rank in the pecking order but I am sure you could get a good price for them. The bottle on this tube is 6550 diameter and height. Tube Type / Number: 6550. The Design YES! Any nos 6550's are hard to find. $299. Used – Very Good. With triple getters and construction similar to the Sovtek KT88 - these sound great and are perfect for use in any Hi-Fi or musical instrument amplifier. The current production benchmark of the classic 6550. Tung Sol; Valvo; Show all brands; Cards. Top Rated Seller Top Rated Seller one-nation-audio (3,833) 99. These have been tes From $ 179. I am using the Doge 10 integrated amplifier, Doge 7 DAC, an T-Sol Reissue 6550's more layered and detailed bassAnd for about 2/3 of the price of NOS Ei's, if you can find them. 6SL7GT TUNG-SOL. 95 . Tung-Sol 6550 A current re-creation of the classic original 6550, now made in Russia. These have been tested and selected for their strong transconductance. $241. This is a rare tube. Hoffman Amplifiers Tube Amp Forum, GE 6550 tubes vrs. Looking for specific info? Customer reviews. Wow! Very open sounding, a lot of air without being bright. Shop now for fast shipping and easy returns! New Listing 2 NOS NIB Matched RCA Tung-Sol 6550 Solid Grey Plate Tubes USA 1963. Related products. $408. In corresponding with another enthusiast who was selling some GL KT-77, it sounds as if they are not the answer either - they themselves were wanting to go NOS Mullard to warm up KT88 - 6550 -KT90 - KT120 - KT150 - KT170; 6L6 - 5881 -KT66 - 7027; EL34 - 6CA7 - KT77; 6V6 - 6F6 - 6K6 - 7408; 6AS7 - 6080 - 421A - 5998; 6JSC6C - 6JE6C - 6LQ6; Decrease Quantity of True NOS NIB Tung-Sol USA 6SE7GT [6SD7 Sub] Silver Round Vacuum Tube 100+% Increase Quantity of True NOS NIB Tung-Sol USA 6SE7GT [6SD7 Sub] Silver Round Vacuum ga('ec:addImpression', { 'name': '6550C-SVT TAD Premium Matched ( SED 6550C winged -C-)', 'id': 'RT281', 'price': '120', 'brand': 'Tube Amp Doctor GmbH', 'list Not finding what you're looking for? Save tung sol 6550 black to get e-mail alerts and updates on your eBay Feed. Welcome To the Hoffman Amplifiers Forum January 05, 2025, 01:11:31 pm: Welcome, Guest. Used – Good. The construction reminds me of a GE 6550, including the metal base ring. 91. SED KT88 has Full bass but less on the high end. com/Tubes/6550-Tube-Types/Tung-Sol-6550-ReissueTonally, this 6550 tube has a smooth, extended high end, slightly warm midrange with g The Tung-Sol 6550's are perfect match for your old amps! These tubes test NOS. Product Model: 6550 NOS: - Tung Sol 6550 1963 matched pair - $300. Find top brands, exclusive offers, and unbeatable prices on eBay. Thread starter audiodon; Start date Jul 26, 2010; audiodon #1 Hi, I've lucked into a quad of original Tung Sol 6550s that I might ultimately like to use in my pair of Dynaco MkIIIs as backups or replacements for the KT-88s. nmchiefsfan. 82% 18% 0% 0% 0% 18%. C $169. 50 No Credit Check. derosnopS. 14-Day Return Policy. $350. My original issue Tung-Sol passed all 3 tests so I took a chance and popped them in! And my response was. SED KT88. Tungsol 6550 Vacuum Tubes $399. My target for this set is around $150. As know it's hard to find good condition Tung Sol black plate 6550 NOS What amp are you using? I liked Tung-Sol USA 6V6’s a lot. $14. Made by Tung Sol, branded as Tung Sol, Magnavox, and RCA these “coke bottle” shape 6550 with three holes are the creme de la creme of 6550’s. Originally $150, now $50 ($100 price drop) $150 Original price. You may want to give some KT120's also a go for something different in the VTL. , Studio City, CA 91604 I wanted to see if a NOS grey-plate, Tung-Sol 6550 would be an improvement to replace the original Sovtek 6550 I was using in my ARC Ref 6. Matched very tightly, these are Tonally, the Tung-Sol 6550 vacuum power tube has a smooth, extended high end, slightly warm midrange with great imaging, and a tight bottom end. Preamp:doubletriodes; Powertubes: Pentodes; Rectifier; HiFi Triodes, Transmitting Tubes; Other Tubes; Tube Sets. Tung-Sol ONE (1) 6550 Beam Power Pentode tNOS AT1000 TESTED Vacuum Tube 3-hole, 3 getters, Coke Bottle, premium GE Audio 1971. Shopping Cart 0 items. Title: 6550 Author: Tung-Sol Subject: FP-2008-02-10 Created Date: 2/10/2008 4:38:31 PM So here is an add on Audiogon for a pair of NOS Tung-Sol 6550 tubes 6550 TUNG-SOL. Opinions on brands and 6550 vs KT88s EH kt88 and compared them to Tung-Sol 1959 black plate no hole 3 D getters 2 on one side 1 getter on top. However, with Tube Prices Whether it was copies of the 6550, EL34, the Sovtek 6L6, or carbonized 6V6s, it didn't matter. 99. TAD Amp Kits Tube Sets; Ampeg Tube Sets; Bad Cat Tube Sets; Customer evaluation for REFLEKTOR/TUNG-SOL 6550. Surprisingly enough, Russian Tung Sol 6550 are less expensive vs Russian Gold Lion KT88. $50. What an amazing step! I tried 6550C, 6550 Tung-Sol and NOS 6550A GE. I want to buy a nice sound 6550 for my ARC Ref 6 and my stock Svetlana 6550 will be used as spare. 94 on the M-M (should read >3. GeoffinOz. Matched Pair, $505. 95 ANOS Mullard GZ34 Almost NOS, these are previously used Mullard GZ34 pulls that Tung-Sol KT120, which has a plate dissipation of 60 watts, making it the most powerful tube in the 6550/KT88/KT90 family. It is branded Westinghouse, but was made by Tung-Sol. NOS Tung Sol 6550 Grey 3 Hole Plate OOO Getter Amplitrex Tested . Amperex 4-400A 8438. New production GL KT88’s and KT-77’s. Are they as good as the NOS? Seems too good to be true. Trending at $263. I’ve got a set of TS 7591s for a MAC 1500 amp section and they are really dynamic, better than the nos Westinghouse I swapped out. The best current production 6SL7 available. Sponsored. These magnificent metal base tubes that sound absolutely beautiful in any audio or guitar application- so beautiful Closely Matched Set of 5 Vintage NOS Tung-Sol 6550. tung sol 6550. How can they be worth that? These tubes perform sensationally and for a good reason. Matched pairs, quads, and octets are available Some people tend to like Tung Sol EL34b, but I think they loose mids, even if they sound nice. This is a second gen. So I had plenty of amps to try them in. NOS Tung-Sol 5881 Genuine original brown base 50's Realistically, even supposing you could find one, a matched quad of NOS 6550's isn't going to happen short of maxing my Platinum AMEX card. 60 shipping. NOS Tung-Sol 6550 Smooth Grey Plate Plate Strong mA and Gm Vintage USA Vacuum Tube. Don't pay ten times the amount of NOS tubes. Item #650014768. 6550 Tung-Sol Power Tubes. Pre-Owned. . Will not consider NOS black -plate Tung-Sol again because of pricy and not sure the condition. The tube is Not finding what you're looking for? Save vintage tung sol 6550 to get e-mail alerts and updates on your eBay Feed. Mint NOS Closely Matched Pair of Tung-Sol Black Plate 6550These holy grail tubes are closely matched and reading strong NOS spec. As mentioned prior, the A3600 benefits greatly from using the KT120. From what I have pieced together, the original 6550s NOS in good original boxes and matching date codes 322KR3. A beautiful mid 1950's Tung Sol Tung-Sol 6550 power tube, with it's original box (torn bottom from the many years age and storage). NOS Tung-Sol 6550 tubes. Due to its robust construction and the use of high-quality components, the Psvane KT88-C offers an amazing sound reproduction, superior stability and high reliability, making it an ideal choice for high-end audio systems as well as guitar and bass NOS Tung-Sol 6550 Metal Base Strong Gm and Ma Testers Only Vintage Vacuum Tubes Holy Grail. Let's see if they open up even more during next a few weeks. CONDITION: New old stock with original RCA Box Tested as new on my Hickok 800A tester. Dec 10, 2021 #7 Just a suggestion. The 6550's in general aren't a very quiet tube mechanically, but actually hold up quite well in this regard. Over the last 2 NOS Tubes Precision Tested and Ready to Ship! Tungsol 6550 Black plate Vacuum Tubes $799. The Second Generation of Tung-Sol 6550, this version has solid black plates, 2 side getters and 1 top getter. I agree with Gold Lions, and those were the best new production I tried, That limits options for tube replacement. tube is great for any vintage guitar tube amp when you want to keep that authentic tube sound without spending on Tung-Sol 6550 Tubes for sale. One NOS 1960 Tung-Sol black plate for sale. If you want to consider vintage then Genalex Hammersmith TT21's with top anode cap tube I had Wing "C" 6550 which are very nice and Had some NOS GE 6550 which were very nice, But the New Golden Loin KT88 is in another league, in my opinion. experience, when it comes to 6550s there's Tung-Sol and. I still prefer vintage Tung-Sol 6550's to both options above. I assume this thread is about finding a good new production tube that performs closer to nos 6550 tubes that are getting more rare and super expensive. Tested on my Maxi-Matcher where it measures 28. PAYMENT Paypal add 3%. Please I also have a NOS GE 6550"A", and the older Tung-Sols (emission) tested one click above the GE! The GE 6550"A" is a fat, straight-sided tube, like a 6080. Sylvania Phillips 6550 Vacuum Tubes $299. Shipping weight: 5. Anyone with some longer term use? I have NOS Tung Sol 6550 ( 3 hole ) and SED Winged C 6550’s . Info: Tungsol 6550 NOS Asking Price: USD $ 1200. 4-400a=8438 2 in stock Branded as Amperex or Eimac $ 449. they will typically only produce 60-70% of NOS power output. Tungsol 6550 NOS US Audio Mart $1,200 Aug 25, 2023 Hifido TUNG SOL 6550 Hifido ¥13,636 Apr 22, 2024 Audio Kontakt Tung-Sol 6550 Genuine USA made Tungsol tung-sol 6550 solid plate pre 1962 - Glass metal $25,000 83% Jun 11, 2024 Subito 2 x 6550 tungsol 3 hole kt88 rare test new Subito -Jul 13, 2024 Reverb Factory These Tung-Sol 6550 tubes have been tested and are both fully functional. NOS in good original boxes and matching date codes 322KR3. Totally Tweed! The preferred OEM tube of '50s-era Fender Tweed Champ and Deluxe amplifiers The Tungsol 6V6 has a geometry designed to safely handle the higher voltages used in guitar amps – plus heavier plate and grid materials. Triple getter, carbonised screen, and gold plated grid. I think new tubes (vs Nos) would be best as well - fewer variables. GordonW Speakerfixer. This is another revival of a defunct brand/logo by Mike. $154. rrog. This reissue of the original 6550 Tung-Sol Tubes bring back that dynamic, classic tone that can be found in many of today's top amps. 5 star 4 star 3 star 2 star 1 star 4 star. Share: Matching . 2 tubes, matched as pair The Psvane KT88-C is a high-quality audio vacuum tube that impresses with its warm and transparent sound. Copy of the original type 3 Tung-Sol 6550 made in the 1960's. Used – I've got a Bob Latino VTA ST-120, currently running Tung-Sol 6550 power tubes. NOS RCA grey-glass 6L6Gs have identical ratings to the original metal can 6L6 The tubes to be looking at would be the 6550 or KT88 types but these usually have higher heater ratings so they would not work unless you knew how to employ some sort Tung-Sol 6550 Reissue. So here’s my recommendation. We can source a 6th tube if you need 6, or we can also sell a set of 4 at the same price PER NOS Tubes Precision Tested and Ready to Ship! Tungsol 6550 Grey plate Vacuum Tubes $599. Both tube mutual conductance measure is 7 Tung-Sol 6550 . Between the amp itself and the RFT's, I think this class A/B amp comes close to the sound quality of a SET. $249. NOS Tung Sol 6550. When I first put it in the sound was bright and edgy—not the least bit musical. 03-08-2010 at 07:31am . IN STOCK TUNG-SOL 6550 These Tung Sol reissues are the classic, original 6550 shape. I was wondering how the Tung Sol‘s have stood up as to reliability and sound. 99 (!!!!) (Best Used Pair) 6550C Winged C by Svetlana Russian used/good 2001 faded top getters (135ma and 140ma) (Gm Tung-Sol 6550 Metal Base. com. I've seen Tung Sol 6550s with RCA, GE, and, of course, Leslie brand names silkscreened on the base, but neither RCA nor GE ever made a coke-bottle shaped 6550. Tubes produced in 1955 and 1956: 322YWW-3 where Y is the year made and WW is the week made. In Reply to: Tungsol 6550 date code cross-reference? posted by Jay Buridan on March 5, 2012 at 17:08:30: As I'm sure you know, the Tung-Sol labelled tubes always start with their manufacturer's code "322". $252. or Best Offer. Actual Brand: Tung-Sol. The 1956 Hewlett-Packard MODEL 650A Test Oscillator Operator and Service Manual indicated Tung-Sol as a replacement parts designated manufacturer Explore a wide range of our Tung Sol 6550 Nos selection. D ocumentation shown in photos is included. SED 6550. Precision state-of-the-art matching for pairs, quads etc for all tubes. $240. I called a Tung-Sol technician at the Tung-Sol headquarters, and apparently Tung-Sol was bought out in 1967, and then changed hands a few more times since then. The current p 6V6GT TUNG-SOL. This was ground breaking because one pair of 6550 power tubes could produce the same power as four EL34 or 6L6 tubes. On Sale. Matching * No Matching (Single Tube), $250. $175. Buy It Now +C $27. with one top and two side getters with solid black plates. 5 star 4 star 3 star 2 star 1 star 5 star. 9%. Tung-Sol 6550 Power Tubes - Matched Quartet. Gray plates. Info: Tung Sol KT66 NOS metal base matched quad Asking Price: USD $ 133. Jim Mcshane for a source. Replaced the GE NOS 6550's in my ARC D70Mk2. $250. Here I discuss my overall impression of the Ton-Sol 6550 power tube. For conductance it measures 3. Matched Black Smooth Plate Pair Our collection of NOS Tung-Sol 6550s will give you the incredible cleans or explosive grit that you have been waiting for. Price Drop. I'm not clear on when Tung Sol ceased production. The glass bottle on my sample was very thick and well formed. Top and dual side getters, welded plates, distinctive glass bottle shape and all- these premium reissues of the famed Tung-Sol 6550 are an incredibly well constructed vacuum tube with performance and tone to rival even the finest of NOS tubes! Tung-Sol 6550 Audiophile Power Tubes, Matched Quad. Tubes will be insanely well packaged and ship insured. The 8045G was based on the General Electric (GE) 6550A. 95. Fabulous packaging. ga('ec:addProduct', { 'id': 'NN-SV6550C', 'name': 'SVETLANA -S- 6550C', 'category': 'Svetlana', 'brand': 'SVETLANA Electron Devices', 'variant': '', 'price': '64. Super dependable, works well in most all applications. The result: The EH sound thin in compair with the other. Brand New never used matched pair . In my. 8 mA. $200. from United States. Like Dislike. I use NOS EL34 RFT's in an Audio Note Kit L4 power amp. $ 249. We burn them in for 72 hours, check for excessive current draw, all that good stuff, then match This 6550 has everything its vintage counterpart featured down to the bottle shape and size, three getter construction, gold grids, and carbonized plates. The Tung-Sol 6550's NOS Tubes Precision Tested and Ready to Ship! SKU: WNL-1507 Category: 6550 Tag: Power tubes Brands: GE. These Redbase are superior right out of the box. OR. Originally $315, now $252 ($63 off) $315 Original price. Select Matched Tung-Sol 6550 Reissue Power Vacuum Tube (Matched) (11 Reviews) USD $‎69. The Tung-Sol EL84/6BQ5 was a popular OEM tube for American-made EL84/6BQ5 guitar amplifiers, such as those built by Gibson and Harmony. This is actually a good thing in many respects. Feb 12, 2016 #11 I really like it and I am curious if there are any tube options other than the Tung-Sol KT120s. 00 shipping. 5 So I recently purchased a Quad of Tung-Sol 7581a tubes. Details; Discussions; Posts; This discussion; Message User; 1,958 posts. Printed Brand: Tung-Sol. 2) and 70 on the TV7-D/U (where 44 is minimum). JJ chose not to follow other KT66 makers by ignoring any physical resemblance to the original British tubes. Fast http://www. A pair of these tubes I'm using Tung Sol black plate 3 holes 6550 NOS for my ARC Ref 6 per-amp, I'm using this about 1500 hours and want to get a new tube a few months later. These are the exceptionally rare Second Generation which many USA made, Tung-Sol 6550’s are the benchmark on which every other power tube is measured. I am selling some other NOS 6550 matched pairs of different manufacture from this same development effort, please check my other listings. better mids and bottom while keeping the smooth top of the classic 6V6's. One's overall system would dictate which tube would sound better. Opens in a new window or tab. I'm thinking of picking up some other power tubes, just to hear what the Have rolled several driver tubes and really like my 1960's 12AU7 amperex as center and clear top NOS RCA's for the two channels. I just bought an ARC D 70 II with GE 6550 in all five positions. Used – Mint. NOS/NIB TUNG SOL 6SU7/6SL7 TIGHT MATCHED. Driver tubes on a budget , Tungsram NOS , Or Tesla ( nos ) . My options would seem to be new Tung Sol's, or Electro Harmonix 6550's. 208. The TV7-D/U does not have a setting for 6550 so people use the KT88 specs. For the 42 watt, I would put the Genalex NOS KT-88 at the top, with the GE 6550A and Gold Lion Re-Issue just a tad behind. Due to its rugged construction and conservative ratings, it is the most reliable current production EL84 Original Tung-Sol 6550's, made in the USA. Matched Quad 4x NOS Svetlana SED Winged C 6550/KT88 tubes. $105 price drop. Much of our stock is marked and boxed in Tung-Sol, RCA Used but passing our stringent testing for NOS and life and durability, these Tung Sol, branded as Tung Sol, Magnavox, and RCA these "coke bottle" shape 6550 with three holes are excellent I'm interested now in trying out some NOS Tung-Sol 6550s, they get universal raves. And about 6-7 reciter tubes , mostly NOS . @tubelab194 Thank you for all the education and inspiration. 5ma) $ 699. Due to its rugged construction and conservative ratings, it is the most reliable current production EL84 Closely Matched Set of 5 Vintage NOS Tung-Sol 6550. NOS GE 12AX7, solid new old stock tube, 8 pieces available. Due to many requests by fans of our Tung-Sol line of tubes, the Tung-Sol EL84/6BQ5 has been reissued. $99. $39. 2 Matched Tung-Sol Leslie 6550 Tubes USA 1970's. 82% 18% 0% 0% 0% 82%. I have never heard NOS Tung-Sol 6550 but it is supposed to be the King!!! _____ ga('set', '&cu', 'EUR'); ga('ec:addImpression', { 'name': 'TAD 6550A-STR REDBASE, Premium Matched', 'id': 'RT881', 'price': '73. Will work in place of: 6550, KT88, 6550A Used but passing our stringent testing for NOS and life and durability, these Tung Sol, branded as Tung Sol, Magnavox, and RCA these “coke bottle” shape 6550 with three holes are excellent sounding 6550’s. Free shipping on many items | Browse your favorite brands New Listing Top Matched Pair Vintage TUNG-SOL 6550 Audio Tubes / NOS / AT1000 / KT88. $37. 8 global ratings. I had NOS GE 6550's in my savage and those sounded awesome but they are like 300 for a pair. 4. FAQs; From the Vault; Glossary; Most of the current stocks of JAN tubes are NOS (New Old Stock) Tung-Sol™ is a registered trademark with Electro-Harmonix. Free shipping. 's faithful reissue of the tube that became the standard for the 6550, made in Russia. These tubes are the latest offering from New Sensor. That Tung Sol / New Sensor 6L6G is actually just their 6L6GC in a different bottle. Or cash App, personal check money order Thanks for checking out our massive tube collection! These tubes all originate from one of the largest collections in North America. Free Shipping. My overall favorite was Raytheon (most growl, warmth and thick). Study all of the photos below and view test reports. Copy Comment URL; Report Comment; 2 NOS Tung-Sol 6550 Metal Base Strong Gm and mA Matched Pair Only Vintage Vacuum Tubes Holy Grail. Originally $420, now $315 ($105 price drop) $420 Original price. Used but passing our stringent testing for NOS and life and durability, these Tung Sol, branded as Tung Sol, Magnavox, and RCA these “coke bottle” shape 6550 with three holes are excellent Made by Tung Sol, branded as Tung Sol, Magnavox, and RCA these “coke bottle” shape 6550 with three holes are the creme de la creme of 6550’s. Last edited I firmly believe that the Tung Sol is just a re-branded Sovtek, perhaps with better About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Bias Setting - NOS Tung Sol 6550 (3 hole) Thread starter MRL_Audio; Start date Feb 4, 2013; Prev. Each. TUNG SOL 6550/KT88 SMOOTH GRAY PLATES MAXI MATCHER TESTED. 69. So really what I need is a tube that has a midrange presence that falls between the JJ EL-34 (dull) and Tung Sol 6550 (awesome, plus tinnitus!), yet has the fatter bottom end of the 6550. Also new production Psvane, JJ , Tung Sol . Jul 14, 2023 He worked at Tung Sol GE,Tung-Sol,and Sylvania can all take the voltage and current these amps run at. It has brought my level of enjoyment up so much! About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 6550; 6L6G; 6L6GC STR; 6SL7GT; 6SN7GTB; 6V6GT; 7581; EF806S; EL34B; EL84/6BQ5; KT66; KT120; Support. Never found the sound of KT88 to Selling this killer quad of Tung Sol 6550's from my collection. 99 In Stock! Black Plate Tung Sol 6550, branded as Tung Sol, Sylvania, Magnavox, and RCA these “coke bottle” shape 6550 with solid black plates are the creme de la creme of 6550’s. Please call 1-800-RFPARTS (1-800-737-2787) for availability. The Tung-Sol 6550 is a reproduction of the Orignal Tung-Sol 6550. Tightly matched pairs are available. 47. come on people all these tubes are made at the same factory with similar parts and the same workers making The 6550 vacuum tube was unveiled by Tung-Sol from Newark, New Jersey in the mid 1950s. Now Two Locations: 1206 Burbank Blvd. Tung-Sol 6550 Power Tubes - Matched Sextet. These vintage RCA tubes have three getters and smooth plates with 3 holes. Matched on Maxi-Matcher and Hickok TV-7. it carries a 42 watt plate dissipation rating which provides for push-pull amplifier designs up to 100 watts output. no contest Tung-Sol 6550 have a mystic reproduction of all instruments Tung Sol Tubes; NOS Rare & Vintage; Tubes. $315. From the construction down to its sound, the new production Tung-Sol 6550 is everything you would want out of the vintage tube at an affordable price. These are also available "cryoed". Fender 6550 GE Tubes Pair. 30-Day Return Policy. Payment method: Cash, Cheque, Money Order, Money Wire, ACH/Direct Deposit: Condition: "Great seller ! 6550 tubes test perfectly on my Amplitrex tester. NOS Tung-Sol 3-getter, gray plate 3-hole version. Solid grey plate, metal brackets. The whole world of NOS and even reputable used vintage tubes is a minefield I'd rather avoid (been there, done that overall the Gold Lion Made in Russia KT88's win hands down. Brand New. Tung Sol 6550 solid black plate and triple [] [] [] Tung sol JTL-5687 D getter Black plates Nos/Nib Tung sol - Blackkplates. However, if you They are not as good as NOS Tungsol or NOS Siemens EL 34s, but if you don't want to spend the money on NOS tubes they are decent. The 6550 tube became quite popular in American audio amps in 1950s and 1960s due to its linearity and high power output. Get the best deals on Tung Sol 6550 when you shop the largest online selection at eBay. In later years, 6550 tubes were used in popular guitar amplifiers, notably in EL84/6BQ5 REISSUED. 1963 matched pair, smooth grey plate. McLover likes this Power tubes NOS and tested used - the best money can buy! Log-in. You could build a nice push pull power amp using two to four 6550's per channel . Due to its rugged construction and conservative ratings, it is the most reliable current production EL84 tube specs: 12at7 / ecc81: 12au7 / ecc82: 12ax7 / ecc83: 12ax7 / ecc803s gold: 5881: 6550: 6l6g: 6l6gc str: 6sl7gt: 6sn7gtb: 6v6gt: 7581: el34b: kt66: kt120: kt150 I used to own a NOS black plate 3 holes Tung-Sol 6550 but which has leak and now I’m using the stock Svetlana 6550. When you think of a 6550, the Tung-Sol 6550 is the vacuum tube that comes to mind. The result. I think he vets better and backs his tubes better than most. DaveyF, Jan 17, 2016 Thanks for checking out our massive tube collection! These tubes all originate from one of the largest collections in North America. EL84/6BQ5 REISSUED. Password Forgot your password? Get Tube World News! 920. Supposedly, they are an exact copy of the 1968 black plate. Tom Bombadil AK Member. New (Other) · Tung-Sol (3) $549. $499. All prices are per tube. 00 - $800. They can handle very high The Tung-Sol 6550 is back. 95', 'brand': 'Tube Amp Doctor GmbH NOS Tung-Sol 6550 Smooth Grey Plate Plate Strong mA and Gm Vintage USA Vacuum Tube. Tung-Sol 6EU7 Preamp Vacuum Tube (1 Review) USD $‎37. Now as for power tubes I have new production JJ, Gold Lion, Tung Sol and the Psvane Ti. Ton-Sol 6550 Tube Sound Demo. 95 More details. SED 6550 has more bass and mid are full. 00 (lbs) Calculate Shipping: Tung-Sol. change the tung-sol's out and put the cheap sounding sovtek 6550we's back in and the amp sounds great again. Telefunkens are the best . SKU: ts6550. RCA / TUNG-SOL 6550 1970 Metal Base TESTED WORKS. NOS GE 12AX7 NOS GE 12AX7, solid new old stock tube, 8 pieces available. This is the one that started the power tube wars in 1954. 8 out of 5. nj pheonix Lunatic Member. And after some experimentation with a new Tung Sol and a couple NOS tubes that represent the end of my NOS tube collection, NOS Tung-Sol 6550 3 Hole. 00. PAIR NIB New Matched Balanced PAIR JJ Electronics 12AX7 ECC83-S vacuum tubes. Tung Sol 6550 tube testing. These are close to NOS - Melz 1578 (6SN7) - $120. Mesa/Boogie NOS EL34 STR 450 Siemens Duet Tubes. Large Image: 6550 Tung-Sol specifications (PDF) for sale is a rare pair of NOS Tung Sol 6550 tubes -- 3 hole / 3 getter, made in the USA. The following is based on their 6550 tubes I have. No tube tester is perfect, we often test tubes on several different industry grade testers to ensure you get a quality Personally, I compared NOS 6550 Tung Sols grey plates with holes, NOS 6550 Tung Sols Black smooth plates, NOS 6550 Sylvania and NOS GEC KT88, was just curious on SED and Tung-Sol 6550. At Fuzz Audio(. as I have some old stock Tung sol 6550's along with GE and few different KT88. It's missing the flaps and some of the top. - Tung Sol 6550 1971 matched pair - $250. com), all of our tubes are thoroughly tested. $550. Also available in pairs! Tested on: Maxi-Matcher 2 and/or Hickok 600A Tube Type: 6550 Manufacturer: Tung-Sol Manufactured in the USA Tests as NOS NOS Tung-Sol 6550 Smooth Grey Plate Plate Strong mA and Gm Vintage USA Vacuum Tube. 6550; 6L6G; 6L6GC STR; 6SL7GT; 6SN7GTB; 6V6GT; 7581; EF806S; EL34B; EL84/6BQ5; KT66; KT120; Support. $100 price drop. 99 per tube. Go. The other 6v6’s that were keepers for me with their place were Sylvania (tight, crisp, bright, clear), JAN Philips (kind of a middle ground of Sylvania and Raytheon), RCA (most bottom end, old school sound, dark, smooth, very fat), CBS-Hytron ga('set', '&cu', 'EUR'); ga('ec:addImpression', { 'name': 'KT88-STR REDBASE TAD Premium Matched', 'id': 'RT891', 'price': '73. 8 out of 5 stars. these were a matched pair installed in a very old IBM building communications box that was apparently never turned on -- they test as new. Triple getter, carbonized screen, and gold plated grid. FAQs; From the Vault; Glossary; Literature; Photo Gallery; Tube Specs; Tube Talk; NOS/NIB tubes that are sold by Tung-Sol are either military surplus purchased at government auctions or have been sourced from reputable tube dealers, Tung-sol 6550 re-issue. These have triple getters and are exact replicas of the tube madei n the 1960's. This item is temporarily out of stock. 00 . 2 NOS Tung-Sol 6550 Metal Base Strong Gm and mA Matched Pair Only Vintage Vacuum Tubes Holy Grail. These are the exceptionally rare First Generation with solid black plates and D getters on the top only - Tung Sols were original equipment in Leslie amps until some point in the 1970s. Steve I've tried lots of NOS 12AX7 tubes in both my Rogue Eighty-Eight and also in the the ST100 is able to use 6L6GC, EL34, 6550, KT88, KT90 and KT120. NOS Tung-Sol 6550 Metal Base Strong Gm and mA Testers Only Vintage Vacuum Tubes Holy Grail. NOS performance and sound at a fraction of the price. Log in or Sign up. Price and availability can be an issue though. Free Tung-Sol KT150 beam power tetrode. Large Image: 6SL7GT Tung-Sol specifications Tung-Sol created the 6550 vacuum tube, a specialized Hi-Fi audio tube in 1954. NOS power tubes GEC KT88 and KT 66, Tungsol 6550 3 hole , and SED Winged C . 1971 matched pair. Perhaps the old tubes are just plain getting worn out and need to be replaced. 95', 'brand': 'Tube Amp Doctor GmbH EL84/6BQ5 REISSUED. However buying is a bit confusing. Tung Sol 6550 Power Amp Vacuum Tubes. ga('ec:addImpression', { 'name': '6H30Pi EH GOLD (aka 6n30p-EV)', 'id': 'S6H30P-EHG', 'price': '51. With FREE 24-Hour Burn-In and Computerized MatchingBrand New with Full Manufacturer's WarrantyItem 6550 TUNGSOL MQCopy of the original type 3 Tung-Sol 6550 made in the 1960’s. $500. The The Tung-Sol 6550 is New Sensor Corp. 6 x . The Tung-sol 6550 are the best, Sound very musical , the top and bottom are very mush extended and mid are warm The original 6550 tube was a pear shaped high power tetrode designed for power control by American Tung-Sol company. Generally tung sol 6550's are considered THE best. Matthews/New Sensor, and quite an audacious one. They all came from the Tung Sol factory. Please note this is not a “matched pair “One has “black ink logo“ the other is white Both tubes come in unoriginal RCA boxes. Find many great new & used options and get the best deals for Tung-Sol 6550 Power Tube - Transparent (6550) at the best online prices at eBay! NOS NIB Matched Pair TungSol JAN 6550 Vacuum Tubes #2. The Our collection of NOS Tung-Sol 6550s will give you the incredible cleans or explosive grit that you have been waiting for. Buy It Now. We can source a 6th tube if you need 6, or we can also sell a set of 4 at the same New Sensor corp has recently "reissued" the Tung Sol 6550 tube. kpbzy ztzv ldpbil jyploo otqk wad jehwt epznvn lldfw slexle