Bob,
Try K9AU, Frank Stelloh.
email: frank.stelloh@med.ge.com
or phone 920-625-3211 or cell phone 262-370-5018.
I have purchased 8877's from Frank and have found him to be honest and
reputable.
73
Noll W9RN
----- Original Message -----
From: <K8MLM@aol.com>
To: <amps@contesting.com>
Sent: Tuesday, August 20, 2002 7:47 PM
Subject: [Amps] ALPHA 77 SX UPDATE
> I finally really checked out the tubes on the ALPHA 77 SX. Initial ohm
meter
> reading of filaments showed a very low resistance ... less than 2 ohms but
> something didn't seem right. Applied 5 vac filament voltage directly to
each
> tube and measured filament current and voltage. Filament current was
zero.
> Immediately measured resistance ... it was less than 2 ohms, but a with
> gentle knock on the tubes, resistance went to zero. There must have been
a
> few filament threads hanging on that gave the previous continuity reading.
>
> The first time I checked out the amplifier I got output, but it was
probably
> just one working tube and the filament was fragile and lasted for one
test.
> Looks like I need two 8877 tubes. Anyone know where I can get any 8877
pulls
> for a good price?
>
> Bob, K8MLM
> Woodbridge, VA
>
>
>
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