[Heathkit] DX-100B on Phone - bad audio distortion / oscillation

[Rick Poole]

At 06:55 PM 12/1/2011, Garey Barrell wrote:

 >>>>>
>No, it won't hurt anything to reverse them.  Again I don't recall 
>much from the DX-100 schematic, but if is has any audio feedback 
>circuitry reversing the phase of the transformer can cause the audio 
>to oscillate, or not.
<<<<<

Thanks, Garey.  I don't see anything that resembles audio 
feedback.  Anyway, I tried reversing the caps and if anything it made 
the problem worse.  Oh well, back to the drawing board...