Piranha Posted March 15, 2006 Share Posted March 15, 2006 Opinions please. What are the best sounding? I prefer the KT88 myself. [] Quote Link to comment Share on other sites More sharing options...
NOSValves Posted March 15, 2006 Share Posted March 15, 2006 Boy this should end up a interesting week around here [] Quote Link to comment Share on other sites More sharing options...
3dzapper Posted March 15, 2006 Share Posted March 15, 2006 . Quote Link to comment Share on other sites More sharing options...
Piranha Posted March 15, 2006 Author Share Posted March 15, 2006 Boy this should end up a interesting week around here [] What did I miss? Quote Link to comment Share on other sites More sharing options...
Jeff Matthews Posted March 15, 2006 Share Posted March 15, 2006 Boy this should end up a interesting week around here [] What did I miss? From what I gather, this is a branch on the "pick your favorite distortion" debate. Quote Link to comment Share on other sites More sharing options...
Cal Blacksmith Posted March 15, 2006 Share Posted March 15, 2006 Tom, I must agree with you, I am indeed a kt88/6550 fan. Quote Link to comment Share on other sites More sharing options...
maxg Posted March 15, 2006 Share Posted March 15, 2006 Easy question - easy answer: The one your amp was designed around in the first place. Or do you want to compare amps with these tubes on board (as they are not all interchangable)? Quote Link to comment Share on other sites More sharing options...
LarryC Posted March 15, 2006 Share Posted March 15, 2006 The one your amp was designed around in the first place.On that basis, I was going to toss in the 6C33B, the output tube that Boomac and I have (the larger bottles behind the smaller tubes in front) -- Quote Link to comment Share on other sites More sharing options...
3dzapper Posted March 15, 2006 Share Posted March 15, 2006 Quote Link to comment Share on other sites More sharing options...
thebes Posted March 15, 2006 Share Posted March 15, 2006 Ok, listen up sports fans and I'll give you a quick rundown on March Madness Brackatology: In the Western Division we have the number 9 seed 6L6 Muskatoons in an uphill battle against the the number 1 seeded Fighting Ferrets from EL34 U. In the South its the Number 7th seeded Krakatoa KT66's Clarence County Teachers College overmatched against the The Mighty Mites number one seed EL84 University (also known fondly as the 7189'ers) In the Midwest Region we've got a tossup with the always competive Number 2 seeded Killer Tornadoes KT88's versus the Number 1 seeded 350B-1 Bombers out of Bug Tussle, Kansas. Rounding out the field up North we have the Number 1 Enfant Terribles of the Lehigh Valley League, those stellar rascals the 2A3's, versus the scrappy and almost completly unknown Crimson Crapauds, the 6BM8'ers of the 38th and U Street Community College. Look for a major upset here folks. LET'S GO ORANGE! LET'S GO ORANGE GOOOOOOOOOOOOOOOO 'CUSE! Quote Link to comment Share on other sites More sharing options...
Daddy Dee Posted March 15, 2006 Share Posted March 15, 2006 In my MarkIII's I have listened to KT88, KT90 and 6550. Of these, my favorite is 6550. More specifically, of the 6550's tried, both Svetlana and vintage Tung Sol... all round prefer the Svetlana current manufactured 6550's. The vintage Tung Sols are just to pricey and the Svetlanas sound darn good. Quote Link to comment Share on other sites More sharing options...
oldtimer Posted March 15, 2006 Share Posted March 15, 2006 My vote is for Funkentelechy over the Placebo Syndrome. Sir Nose just doesn't have a chance. Quote Link to comment Share on other sites More sharing options...
tillmbil Posted March 15, 2006 Share Posted March 15, 2006 KT88 for me, with 6L6GC's second. Quote Link to comment Share on other sites More sharing options...
Piranha Posted March 16, 2006 Author Share Posted March 16, 2006 The one your amp was designed around in the first place.On that basis, I was going to toss in the 6C33B, the output tube that Boomac and I have (the larger bottles behind the smaller tubes in front) --Can you please tell us more about this tube? Quote Link to comment Share on other sites More sharing options...
NOSValves Posted March 16, 2006 Share Posted March 16, 2006 The one your amp was designed around in the first place.On that basis, I was going to toss in the 6C33B, the output tube that Boomac and I have (the larger bottles behind the smaller tubes in front) -- Those are very nice tubes!! The only negative to them is they are heat producing monsters. They makes KT88's seem like Popsicles!! Craig Quote Link to comment Share on other sites More sharing options...
oscarsear Posted March 16, 2006 Share Posted March 16, 2006 When I ran tubes I preferred the KT-90 over the 6550 and the KT-88 in a little Cary push-pull triode. They were NOS Yugos... Quote Link to comment Share on other sites More sharing options...
LarryC Posted March 16, 2006 Share Posted March 16, 2006 The one your amp was designed around in the first place.On that basis, I was going to toss in the 6C33B, the output tube that Boomac and I have (the larger bottles behind the smaller tubes in front) -- Those are very nice tubes!! The only negative to them is they are heat producing monsters. They make KT88's seem like Popsicles!! Craig What Craig says. AFAIK, they are or were Russian military tubes that are now used by a small number of amp manufacturers like BAT and Joule Electra, who also use other Russian designed tubes here and there in their amps and preamps, and (the former?) Tenor Audio. Subjectively, I think it's a very linear-sounding tube and I like it. Yep, they definitely produce heat, but I don't think it's overwhelming. Since I know basically nothing about tubes and circuitry, hopfully someone else will chime in with juicy details. I think I've read that they have a low impedance somewhere (maybe the plate?), allowing smaller turns ratios in output transformers, and use in relatively smaller numbers in OTL amps. Obviously the amp has to be designed around a tube like this. By relatively smaller, BTW, I mean "only" six 6C33B output tubes in the Joule 100-watt OTL monobloc, vs. 8 of some other kind of output tubes for Atma-Spere's 60-watt mono OTL -- and 14 for their 140-watt mono OTL. Now, that sounds like heat! Larry Quote Link to comment Share on other sites More sharing options...
Ray Garrison Posted March 16, 2006 Share Posted March 16, 2006 14? uh, gee... Quote Link to comment Share on other sites More sharing options...
gonzp Posted March 16, 2006 Share Posted March 16, 2006 LarryC, Almarro also uses these 6c33c in the A-318A/B 18 WPC single ended amp output stage. They are indeed heat producers. Quote Link to comment Share on other sites More sharing options...
Randy Taylor Posted March 16, 2006 Share Posted March 16, 2006 I like the sweet sound that my EL84's produce in my Pilot 232.[] Quote Link to comment Share on other sites More sharing options...
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