|[AMRadio] Recapping a DX-100|
crawfish at surfmore.net
Sun Mar 9 13:34:38 EST 2008
K4TAX addressed this issue last year with sources for the various parts(with
prices).If I can find it in my files, I will forward. I need to do that to
my DX-100B(another project).
----- Original Message -----
From: "Ellen Rugowski" <ellenjoanne2003 at sbcglobal.net>
To: <k2ki at starc.org>; "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Sunday, March 09, 2008 12:19 PM
Subject: Re: [AMRadio] Recapping a DX-100
> ----- Original Message -----
> From: "Bob Bruno - K2KI" <k2ki at starc.org>
> To: <amradio at mailman.qth.net>
> Sent: Sunday, March 09, 2008 11:13 AM
> Subject: [AMRadio] Recapping a DX-100
>> Hi everybody,
> Hi Bob,
>> I recently had a DX-100 fall into my lap.
>> My questions:
>> 1 - Has anyone created a "recap/mod" kit for this? The radio needs a
>> recap plus the mods that are posted on the Intraweb. :-)
>> 2- Any good sourced for tubes?
> Umm here are a couple of places I've used:
> A. RF parts - http://www.rfparts.com/tubetran.html
> the only downer - $25 minimum order
> B. Radio daze - http://www.radiodaze.com/
> click on the "components" box, and scroll down to the "vacuum
> line and click on that
> C. Antique Electronic Supply - http://www.tubesandmore.com/
> click on the "vacuum tubes" line on the left.
>> 3 - Are there any suggestions as to what the caps or other key
>> components should be replaced with? (modern day equivalent)
> Many capacitor values may not be available anymore. But, typically by the
> "20% rule", you can get away with a value that's off by about 10 or 20%
> no problems. Just make sure it has the same or better voltage rating,
> the one you're replacing. You can try it with the original paper
> electrolytics in it, but more than likely, they're dried out/shot, and
> need replacing. BTW, you'll be surpised just how much smaller than the
> originals, todays electrolytics are - as much as 50% smaller! As for the
> carbon comp resistors in your DX-100 - it depends upon how much they've
> subjected to heat. They may still be good. If they are bad, in most
> today's metal film resistors will be fine. Once again, they will look
> compared to the old ones. Places I've used for components:
> Mouser Electronics - http://www.mouser.com/
> Digikey - http://www.digikey.com/
> Newark Electronics - http://www.newark.com/
>> Thanks for reading this...
>> 73, cul...
>> Bob de k2ki
> Ellen - AF9J
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