[AMRadio] Request for Most Common Capacitor Values to be Reproduced


jon baker ad5hr1 at yahoo.com
Mon May 3 19:20:16 EDT 2010


     Todd,
 Looking at my old Fender Guitar amp schematics, etc.,
I would add .022, and .047 for sure. Perhaps .0022
and .0047?
AD5HR, Jon


--- On Mon, 5/3/10, Todd, KA1KAQ <ka1kaq at gmail.com> wrote:

> From: Todd, KA1KAQ <ka1kaq at gmail.com>
> Subject: [AMRadio] Request for Most Common Capacitor Values to be Reproduced
> To: "Discussion of AM Radio in the Amateur Service" <amradio at mailman.qth.net>, "milsurplus" <milsurplus at mailman.qth.net>, "Boatanchors" <boatanchors at mailman.qth.net>, "National Radio Equipment" <national at mailman.qth.net>, "Hallicrafters Reflector" <hallicrafters at mailman.qth.net>
> Date: Monday, May 3, 2010, 5:31 PM
> Sorry for the multiple list posting,
> but time is short and max input is desired.
> 
> Got a call from a friend this afternoon who is talking with
> a
> capacitor manufacturer about producing some caps for the
> radio, guitar
> amp, and audio crowd. We've talked about this in the past
> but never
> got to it. Now it looks like it will happen.
> 
> The question is, what values would be the most handy to
> have supplied
> into the future for restoring old gear? Obviously we can't
> do a lot of
> oddball values as we're mainly looking for values that will
> sell well
> and be attractive from a production prospective. The few
> that popped
> to mind for me were:
> 
>  .1, .01, and .47 mfd at both 400 and 600 vdc. I also
> specified axial
> lead instead of the radial leads found on Orange drops
> since axial
> leads are better suited to our needs. I'm looking for other
> values
> that are likely to be encountered often enough to warrant
> production.
> Maybe 6-12 different values to choose from. These would be
> caps used
> for bypassing and such, not filtering. I suspect we could
> get them
> 'banded' for the foil side as well if folks feel that is
> important
> enough.
> 
> The meeting is set for tomorrow, so timely input is
> critical. We're
> *not* looking for a list of manufacturers who already make
> caps as we
> believe more is better in this case. Some values are
> already getting
> difficult to find.
> 
> TNX -
> 
> ~ Todd,  KA1KAQ/4
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