[Collins] 30L1 problem

C E catman351 at yahoo.com
Fri Mar 28 16:07:03 EST 2008


All:
I recently upgraded my RE 30L1 with that single board
retrofit kit.  I have never tested or applied power to
the amplifier before until I installed the kit.  I am
having some problems.

1) The voltage seems a bit low (about 900 VDC on the
meter). From what I gather, the voltage measured
should be around 1600 VDC.

2) Power output is abnormally low (around 10 W) with a
drive of about 35W.

I'm fairly sure that the hv rectifier and cap board is
fine.  Can gassy/bad 811a tubes cause this? Thanks.

Cal, N6KYR


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