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Gavin:
IMO, you're not gambling your money - this is a sure thing! I would
do a swap of all the tubes to their NOS counterparts (12AX7, 12AT7,
and 6K6). If you want to reduce the piercing high notes even more,
you can swap a 12AT7 for the 12AX7 (it has less gain).
The difference between a 6K6 and a 6K6 GT? About five bucks!
Hahahaha - sorry, just kidding - couldn't resist the opening!
Electronically, I don't think that there is a difference. The "GT"
suffix refers to the T9 glass bulb tube shape ("globe tubular", I
think, or "GT"), which you can see in the shape of the original
Groove Tube supplied with the unit. Other 6K6's that don't have the
GT suffix might have the "ST" tube shape, which is different . . .
I feel that the swap is worth the money - just make sure that you
swap them all! As always, unplug your tank and lock the reverb pan
before replacing the tubes - and don't forget to unlock the pan after
you're done. That's about it - enjoy!
-Dick
--- In SurfGuitar101@y..., "windanseabeachboy" <gavinehringer@m...>
wrote:
> Okay, I am willing to gamble a few bucks on an NOS 6K6 tube for my
> Fender Reverb tank (I have the high note "tinniness" others have
> complained of), but am new to tube amps. Is there anything more to
the
> swap than simply changing the 6V6 to a 6K6? Are some 6K6 tubes
> preferable to others? And is there a difference between a 6K6 and a
> 6K6 GT?
>
> Please let me know if you've actually done this swap, or if you are
> only speakng from hypothetical experience.
