Tung Sol 6550 Nos, these were a matched pair installed in a very ol

  • Tung Sol 6550 Nos, these were a matched pair installed in a very old IBM building communications box that was apparently never turned on -- they test as new. I haven’t had much time to sit down with them in order to really give a solid review but the difference in detail and clarity is definitely something you can immediately pick up. The Tungsol 6550 power tube has been closely constructed to the original specifications of the triple getter, 3-hole plate version. We have a great online selection at the lowest prices with Fast & Free shipping on many items! May 21, 2018 · Has anyone had experience with the new Tung Sol 6550 new production power tube. Each Tung-Sol 7189 / EL84 Power Vacuum Tube (Matched) (4 Reviews) USD $‎47. 95 Each Tung-Sol 6L6GC-STR Power Vacuum Tube (Matched) (10 Reviews) USD $‎37. They're about 3/8" taller than later versions. Time-capsule alert! Gorgeous pair of vintage Tung-Sol 6550s, one of the best versions of this tube ever produced -- early version with smooth black plate, Double 'D' side getters, single 'D' top getter and matching date codes, still in the original box with the packing material. The Tung-Sol 6550 black plate tube is known for its robust construction and superior sound quality, particularly in the low-end frequencies. So I have not yet heard all there is to offer so my opinion is biased. one tube has a missing guide post, which doesn't effect the tube at all -- bases are tight, etc. The 6550 (35W) was created in 1955 by Tung-Sol to be a higher powered substitution for the RCA 6L6GA (which at the time was around 20W) and the Tung-Sol 5881 (which at the time was around 23W). I have replaced the cathode resistors to 18ohm to allow the meter in back to operate with the KT's but use a DVM to set the bias for KT's. 99 In Stock! NOS Tubes Precision Tested and Ready to Ship! 6550 © Copyright 2012-2013, tungsol. 25 A NOS Awesome amplifier. Hi, Black Plate Tung-Sols have the best tone on our MC-60 pair, Grey Plate Tung-Sol 6550's have much better Stereo imaging and are cheaper and easier to find. Its black plates help reduce internal reflections and microphonics, enhancing audio clarity and detail. Has newer Tung-Sol 6550 power tubes that sound fantastic in this amplifier. These are the exceptionally rare First Generation with solid black plates and D getters on the top only - no side getters. The transconductance (Gm) test results are just shy of NOS spec, and plate current measured at 120mA. 99 In Stock! NOS Tubes Precision Tested and Ready to Ship! The original 6550 tube was a pear shaped high power tetrode designed for power control by American Tung-Sol company. Welcome to Fuzz Audio - Please Read Our Shipping Terms, Our Testing Stand Tungsol 6550 Black plate Vacuum Tubes $799. The original KT88 is equivalent to the 6550 and not a 6550A. 0. If so how does it compare with the NOS Tung Sol 6550 ones. 25 shipping 4 Nos Tung Sol Vt-49 Tubes 39/44 Signal Corps (6) NOS To Strong Tung-Sol Made 5881 Radio Audio Tubes 1 ~ Nos Rca / Tung Sol Usa 6550 Audio Tube Kt88 New Tung-sol 39/44 Tube Nos Vtg Radio Vacuum Electronic Tube No. This tube te This is the one that started the power tube wars in 1954. We've been using these in a variety of amps here with fantastic results! Discover top-quality Tung Sol 6550 tubes, including matched pairs and rare vintage options. Has way more power than you would think. Tung-Sol Lamp Works was licensed to produce lamps in tungsten-filament from General Electric through royalty-free rights for their patent. 99 + $6. These are early solid (no hole) gray plates with identical 1961 date codes. DEALER ADS WELCOME Click here for more information Home > Accessories > Vacuum Tubes > Return to Ad I have listened to the following 6550's: SED winged C, Penta Lab's 6550, GE 6550A, and Tung-Sol reissue 6550. Super dependable, works well in most all applications. 00 + $6. Tung-Sol™ is a registered trademark with Electro-Harmonix. All have seen light to no use, as noted: - Tung Sol 6550 (pictured with the amp) - used ~200 hours (these are holy grail tubes) This GE 6550 tube features three getters, gray plates, and a 1985 date code of IG . 95 Each Best Seller Tung-Sol 6550 Reissue Power Vacuum Tube (Matched) (11 Reviews) USD $‎65. 60 shipping Tung Sol 6550 Gray Plate Triplet O Getters Branded RCA Tested Strong Aside from price and rarity, anyone knows about the tonal differences between NOS Tung Sol 6550's and NOS GE6550A's in a guitar amp? Tung Sol 6550 NOS vs Grove Tube 6550A NOS 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. Much of our stock is marked and boxed in Tung-Sol, RCA or other brands' boxes. See pictures for full test results. . All of our stock is gauranteed NOS Tung-Sol manufactured and are the 3-getter, gray plate with.