[R-390] Capacitor tester...

rbethman rbethman at comcast.net
Tue Mar 6 19:17:51 EST 2012


John,

You indeed are living right!  Welcome to the list, and welcome to our 
little part of the world!

A capacitor testing capability does not hurt.  You can go for the newer 
Sprague TO Series testers, or you can even go for an older but well 
functioning Heathkit C-3 or such.

There is a certain reality to the old gals.

Look under the modules.  Should you encounter the old Brown Beauties of 
Death, then don't bother even testing.  These are an automatic replace item.

However, should you be in possession of something such as a '67 EAC, 
then there will only be a small number to get concerned with.

The best thing to do right now, is to identify whom made each of the 
receivers, and let us as a collective, know what you have.

Having that information, the collective list knowledge can be brought 
out to give you the best plan for the endeavor that you are about to 
start upon.

This is not meant to put you off.  It is a necessary part of what is 
needed to know before anyone on the list can begin to give you GOOD advice.

Bob - N0DGN

On 3/6/2012 7:05 PM, John Saxon wrote:
> I recently came into a 390 and 3 390As (I must be living right!).  I am not an experienced restorer, and I am looking forward to becoming one :-)
>
> Question:  I have been working on equipping my workbench and I don't have a capacitor tester.  Do I want one?
>
> I have a multimeter that measures capacitance, but I don't think it sufficient for testing old caps, especially electrolytics...am I correct?
>
> Any suggestions?
>
> Many thanks&  73,
> John
> K5ENQ
>


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