On 21 Mar 2016 16:49:36 -0700, you wrote:
@David,I forget exactly who but the bumble bee capacitors came from one
particular manufacturer (Sprague?) of oil and paper capacitors and
earned the name just because of their looks. All paper and oil
capacitors suffer from the same problems though. I have had to
replace a few myself.
Polyester film would be the natural and superior replacement. Ceramic
capacitors could be suitable in some applications.
The ripple in A seems to go away after the unit running for around 15 minutes.You will not be able to visually find bad tubes unless the failure is
an open heater.
Someone more familiar with the 545A will have better troubleshooting
suggestions. I have not used mine in a while.