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
Hi,
Do mean a mechanical hum in the amplifier?
if there is no sign of overloading (extra heat, extra current drawn),
it may be just a loose lamination in the transformer or HV choke.

73,
Ed