6V6GT vs GTA
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Vacuum Tubes for Amps
6V6GT vs GTA
From SRSN81--(at)--rodigy.com Sat Aug 19 00:08:57 CDT 1995
Article: 2940 of alt.guitar.amps
From: SRSN81--(at)--rodigy.com (Joseph Pampel)
Newsgroups: alt.guitar.amps
Subject: Re: 6v6gt, gta, gty
Date: 17 Aug 1995 03:57:22 GMT
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stephen.delf--(at)--elcom.gen.nz (Stephen Delft) wrote:
>
>Could someone please explain the spec. differences between
> 6V6 GT, 6V6 GTA, 6V6 GTY.
The primary difference between the 6V6GT and the 6V6GTA is the total
maximum plate and screen dissipation.. the GT has a combined dis of 12W,
the GTA of 14W.. Just makes the GTA that little bit tougher.. Probably a
slightly different plate structure or something. My personal faves are
the GE 6V6GTA's from the 60's and 70's with the clear envelope. I try to
set the idle current around 20-25mA per tube, but my favorite pair of
tubes I've ever had in the amp is pretty badly mismatched (and sound
amazing to me..) those 2 are at 22mA and 30mA resp.. and have held up
beautifully through 2 years of steady gigging. No kidding.
What does the Y mean? Good Question.. I'm not sure.. Most suffixes like
that denoted mil-spec versions, or special versions. "W" for instance
denotes a "ruggedized" version, usually having thicker mica spacers to
hold the "guts" more tightly in place.. "Y" may mean low loss base or
something..
Dr. Joe
Somewhere near NYC..
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