|[AMRadio] Request for Most Common Capacitor Values to be Reproduced|
James R. La Frieda
lafrieda at earthlink.net
Mon May 3 21:42:37 EDT 2010
One of the best sources for high voltage E-Caps and other HV capacitors
for feed-thru and bypass -that I recently found for recapping my Viking
II and 75A-4 boatanchors is www.justradios.com
They have a very large selection encompassing different types, sizes,
and working dc voltages- and the best thing about them is that they have
excellent prices compared to others on the web,
with one standard shipping price of $4.90 for surface or $6.90 for
airmail, regardless of the size of the order. They have an Excel order
form on their website for ordering that is quite convenient to use,
which is then e-mailed to them. Bottomline: I was extremely pleased with
the quality of their capacitors, and the quick service that they
provided- and especially their excellent prices compared to several
other on-line electronic component dealers on the web.
All the Best,
----- Original Message -----
From: "Todd, KA1KAQ" <ka1kaq at gmail.com>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Cc: "Boatanchors" <boatanchors at mailman.qth.net>; "National Radio
Equipment" <national at mailman.qth.net>; "milsurplus"
<milsurplus at mailman.qth.net>; "Hallicrafters Reflector"
<hallicrafters at mailman.qth.net>; "Tom at Hayseed Hamfest"
<tom at hayseedhamfest.com>
Sent: Monday, May 03, 2010 5:17 PM
Subject: Re: [AMRadio] Request for Most Common Capacitor Values to
Well, as I mentioned Larry, we're looking to get them *produced* by a
capacitor company, not to sell them. This means another source for Tom
or anyone else to possibly use now or in the future. The way I look at
it, the more sources we can have producing these discreet components
in a surface-mount world, the better.
Aside from Tom, the only other source I'm aware of for decent
Electrolytics like Twist-Loks is AES, and the values they offer are
limited. I'd hate to see that happen with polyester and other caps
too. Orange Drops are great caps but the axial leads are a pita to
deal with at times. Sure, there are manufacturers cranking some values
out now, but who knows how long they will be around? This is mainly an
insurance/safety in numbers issue more than anything, based on the
fact that we have an opening presented to us.
To answer your question Barry, the hope is that they will be something
close to tubular with axial leads. It really depends on the size and
equipment they use to manufacture them. No idea yet on price but
they'd be crazy not to be competitive with other manufacturers. Since
they are an established company, I'm guessing it will be okay. No
audiophool approach here.
I appreciate the input, guys. I'll distill the values and send them
along. No guarantees at this point that it will happen, but you need
to start somewhere.
~ Todd (surprised you remembered the old nickname, Tom!), KA1KAQ/4
On Mon, May 3, 2010 at 7:58 PM, Larry WA9VRH <wa9vrh at dishmail.net>
> Hi Todd and All,
> Instead of re-inventing the wheel why don't we use one of our own who
> already in the business?
> I refer to Tom N0JMY at Hayseed Hamfest. The name does NOT reflect the
> quality of his products. He is building custom electrolytics but
> could come up with a list of common caps.
> Tom's a good guy with many satisified customers. I believe we should
> try to
> keep this kind of products from within if possible.
> 73 Lary WA9VRH
> ----- Original Message -----
> From: "Todd, KA1KAQ" <ka1kaq at gmail.com>
> 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
> <national at mailman.qth.net>; "Hallicrafters Reflector"
> <hallicrafters at mailman.qth.net>
> Sent: Monday, May 03, 2010 5:31 PM
> Subject: [AMRadio] Request for Most Common Capacitor Values to be
>> Sorry for the multiple list posting, but time is short and max input
>> Got a call from a friend this afternoon who is talking with a
>> capacitor manufacturer about producing some caps for the radio,
>> 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
>> 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
>> 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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