[R-390] Caps

[Barry]

Unfortunately, several years ago, I recapped an R390A with Illinois Capacitor caps from JustRadios.  Now I regret that as I'm pretty sure I used one for C553.  I wish I remember who I sold it to...

I did that as a result of having done one with ODs and, while it wasn't all that terribly hard to do, I thought I'd give the axial leaded style a try.  I was going on the thought that "pretty much any modern capacitor is better than what was used when the radios were new".  Guess that was not necessarily true.  :(

Thanks,
Barry - N4BUQ

----- Original Message -----
> From: "Charles P. Steinmetz" <charles_steinmetz at lavabit.com>
> To: r-390 at mailman.qth.net
> Sent: Monday, April 29, 2013 1:54:36 PM
> Subject: Re: [R-390] Caps
> 
> Barry wrote:
> 
> >Could a healing event(or series of events) take out a mechanical
> >filter?
> 
> Yes, definitely.  And note that C553 is a signal-coupling cap, so it
> is one of the locations where a disk ceramic is contraindicated, due
> to leakage and distortion (a ceramic in this location causes enough
> distortion to change the IF harmonic output measurably).
> 
> Best regards,
> 
> Charles
> 
> 
> 
> 
> 
> 
> 
> 
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