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[Amps] A question about SB-200/SB-201

To: <amps@contesting.com>
Subject: [Amps] A question about SB-200/SB-201
From: 2 at vc.net (rlm)
Date: Thu Mar 13 19:42:40 2003
My guess is #30 Cu.  Modern wire intended for rewinding electric motors 
is excellent.  See notes on my Web site for details.  I use gloss 
urethane varnish to secure the finished winding so that the wire doesn't 
rattle during voice modulation.  

have phun.

>Hi all --
>
>Does anyone have info about the type/size wire used in Heathkit p/n 45-61, a
>50 uH RF Choke in the HV path of the SB-201? It may be the same part used in
>the SB-200. It looks like about 28-30 gauge enamel wire.
>
>Mine looks like it has been VERY hot, so hot that the enamel is burned off,
>but still works. I am going through the amp, cleaning it up and adding mods
>as necessary. I would like to "rebuild" this part if possible. I am adding
>Measures' parasitic suppressors, and HV protection diodes, 10-ohm "glitch"
>resistor to the HV lead, and the Harbach "Soft-start".
>
>Any other suggestions?
>
>Thanks!
>
>Bob Green W6BBL
>w6bbl@arrl.net
>
>
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>


-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
www.vcnet.com/measures.  
end

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