[R-390] Audio unit caps

Robert Newberry N1XBM at amsat.org
Mon Jan 14 08:37:30 EST 2013


I'm at work and I was going to pick up some caps today. I seem to remember
the originals were rated at 200 volts? Should I be looking to get
electrolitics, mylar, or some other flavor?
On Jan 13, 2013 5:33 PM, "Bernie Doran" <qedconsultants at embarqmail.com>
wrote:

> forgot, do not use ceramic caps.
> ----- Original Message ----- From: "Robert Newberry" <N1XBM at amsat.org>
> To: <r-390 at mailman.qth.net>
> Sent: Sunday, January 13, 2013 5:08 PM
> Subject: [R-390] Audio unit caps
>
>
>  I've read on antiqueradios.com about some folks changing out .01 uf caps
>> to
>> .1 uf to get better low end bass response. I haven't personally seen it
>> mentioned here and I'm wondering if and one has done it and any specifics
>> to what was done.
>>
>> BTW I have a R-390.
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