On Thu, 26 Feb 2004 21:05:39 -0600, " hillbilly3302"
wrote:

I have a Heath HA-10 Warrior amp that seems to have a hum when I turn on the
HV.... I replaced the Oil Filled Cap but it still has the hum.... any
ideas?

K5DRC

Do you know for sure that the hum is being generated by the amp and is
not being passed thru from your transceiver?

Does this amp use 811A's?
You might check for open bypass caps in the tube's filament circuit.

Doug