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Gibson Basses / Re: Gibson returning to Summer NAMM
« on: July 02, 2018, 10:56:17 AM »
Gotta say, I really dig it in white
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I dunno; I was skepti. Rolling some preamp tubes was easy and I didn't notice much difference unless it was between long plate and short plate varients. But then I replaced the GE 6550s in my Sunn with the Teslovak KT88s and it's pretty obvious. I mean, yes, the GECs were older and may have lost some low end, but the KT88s were so woofy I doubt the GECs where anywhere close even when new. Also the midrange snarl the6 have is completely unmatched by the KT88s. I guess they're technically not the same tube type, but still.
Add to this that new tubes are more likely to have more/better low end than worn tubes no matter what. Tubes can last long, good tubes last longer, but they will loose their bottom at some point. You can recap the psup, measure the tubes and re-bias and get more out of them, but eventually they need to be replaced. I have a KT88 reference setup that I like, with Dynaco mk3 monoblocks and those large Tannoy cabs with gold 15" coax speakers. Needless to say, any chinese or russian KT88 will blow away worn GEC's. But of course, get good NOS GEC's and nothing can reach them. There is surprisingly little sound difference between new production KT88's, the only notable different sounding ones are SED's with their amazing low end.
I wouldn't expect much difference. Same factory, same tube, same production line, different glass. But a much better construction than the JJ's and more reliable.
You mention KT66's too, and I agree. New chinese or russian KT66's are very close to GEC's, and I have compared dozens of NOS GEC's to them- both from the 50's and 60's. They really nailed it with the KT66. Last long too.
The Sunn forums are near unanimous about the JJ KT88s specifically being the best new prod option, and long lasting, at least in Sunns. Then again Sunn did not run super high plate voltages. They also say vintage GE 6550s are the absolute best, but also most expensive.
There is a guy on ebay with a massive inventory selling NOS military surplus Teslovak (not JJ) KT88s (extra thick glass for durability) and I have them in my Sunn 1200s (same chassis and power section as the 2000s). Had them in there about a year now. replaced the original GE 6550s which were done. The KTs are bassier than the 6550s, but the midrange bite and cutting power of the GEs is deserving of the hype.
I get the unhappiness with the Mesa tho. I feel the same about modern (have not played enough with vintage) Ampeg stuff and just about anything into a modernish 4x10 - there's a midrange thing I hate and can't seem to dial out.
I'm with rockbobmel on the vintage Sunn love. Amazing amps. I kinda regret selling the similar vintage Solarus I fixed up; it was great when you didn't need all 4 power tubes and the fx on it sounded a bit better than my 1200s. The dude who bought it from me did some stupid mods and is now trying to flip it in the local classifieds for $400 more than he paid me (citing mod/repair expenses, including the cap job I did). He basically ruined a great sounding amp trying to make it sound like a Marshall.
Glenn started modifying this bass soon after he bought it. This photo shows a Guild pickup in place of the original Gibson and the pick guard has been removed. This is the only color photo of this bass that I have found so far. I've been in touch with Drew Cornick who offered to try and locate a few more photos of this bass for reference in the restoration of mine.
I feel it's rather important from a documentation standpoint to mention that the sides of the fretboard appear to be unpainted. Many Gibson experts, including some friends who have original NR Thunderbirds, state that Gibson always painted the sides of the fretboards on custom color basses. Knowing how Gibson did things it seems entirely possible they painted some fretboard sides and left some unpainted.
I've only seen a Mantis twice in my almost 60 years, interestingly both times they were clinging to the of the building I work at in Tacoma, Wa. Can they change color? This one is obviously trying to blend in a bit.