[Amps] AL811H

[Michael Tope]

Scott,

Its sounds like one of your new tubes is gassy giving rise to leakage
current
from plate to grid. Try pulling out the new tubes one at a time until you
find
the culprit.

Good luck!

73 de Mike, W4EF.....................

----- Original Message -----
From: "Scott Nichols" <snichols@mvosprey.com>
To: <amps@contesting.com>
Sent: Saturday, May 18, 2002 9:33 AM
Subject: [Amps] AL811H


> I just replaced all 4 tubes in my Ameritron AL 811H amp...When I turn it
> on, the Plate Current (Ip) goes to 75 mA, and the Grid Current meter
> pins itself fully left (less than 0 mA)...The HV is OK at 1800 volts...I
> think I put everything back together the way it was before I took out
> the old tubes...
>
> Anyone know what gives here? I am NO expert at this stuff...Customer
> service not there on Saturday!!
>
> Thanks,
>
> Scott VE1OP
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>