|[AMRadio] Wanted: 6DS4 Nuvistors|
manualman at juno.com
Wed Nov 29 12:45:04 EST 2006
Have you tested the tubes and which Ameco preamp? Also, make sure all the
pins of the tube are straight as they go into the socket. They're not all
that rigid, and if one is bent as you push it into the socket, you may
not be able to feel the difference. Given proper filament and plate
voltage, these things can last a long time. Most of the nuvistors in my
Clegg stuff are still original and the rigs still perform fine. Testing
the preamp with a generator and a scope should not be a big problem.
On Wed, 29 Nov 2006 11:12:01 -0600 "A.R.S. - W5AMI"
<ars.w5ami at gmail.com> writes:
> Hey Todd,
> Yeah, the 6CW4's are supposed to be a direct replacement. Seems
> diff is that the 6DS4 is sharp cutoff, or maybe the other way
> I suspect they would work fine for the Ameco preamp. I'm in no
> just getting all the stuff out of boxes where they have been stored
> for 5+ years and going through things. The preamp is dead now, and
> the only thing I can figure is one or both the tubes are shot.
> There's not that much to this thing ;)
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