[ARC5] BC-454-B Dymamotor Question Part 2

[Mark K3MSB]

Good Morning all --

All flower pot caps have been replaced.   I'll see if I have a spare 12A6
tube in the pile.

73 Mark K3MSB

On Fri, Feb 1, 2013 at 1:41 AM, Kenneth G. Gordon
<kgordon2006 at frontier.com>wrote:

> On 1 Feb 2013 at 0:09, WA5CAB at cs.com wrote:
>
> > If you can hear that in the audio output, it must be being coupled
> > into the 12A6 grid circuit through a blocking capacitor somewhere.
> >
> > Robert D.
>
> Have you tried a new 12A6?
>
> I agree with both John and Robert: 50mV of hash on top of 250 VDC is very
> low, and you should not be hearing it at all in any normally operating
> radio.
>
> Somethine ELSE is wrong.
>
> Have you replaced any/all of the "flower pot" can-caps? If you haven't, at
> least one of those is shorted, leaking or open....or soon will be.
>
> Ken W7EKB
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