[R-390] R-390A s/n4214 [8719-p-55] known issues

[2002tii]

>The audio quality is not evaluable since my
>specially-packed-where-I-couldn't-lose-it 600/8 xformer is MIA.

A small 12v filament transformer (120v primary) does a great job in 
this application.  I've measured quite a few of them, and they are as 
good as any similar audio transformers I've measured from 30 Hz or so 
to 15 kHz or so.

Best regards,

Don