[Heathkit] SB-200

Fri, 19 Sep 2003 19:24:41 -0400

That was a factory change. The dual TRW was too expensive. Same with the
Cardwell used originally for Tune.
Both replacements were made by Oren Elliot Co in Ohio, now a part of MFJ I
believe.

Same holds with the SB220.

Carl

----- Original Message ----- 
From: <[email protected]>
To: <[email protected]>; <[email protected]>
Sent: Thursday, September 18, 2003 4:49 PM
Subject: [Heathkit] SB-200

>   I have a question about the SB-200, I built one of these amps back
> in 1972 and the loading capacitor in the one I built, and every one
> I've ever repaired has always been a dual section style variable
> cap rated at about 435pf/ sec.
>  I have a friend that just picked up a pretty clean SB-200 but I noticed
> in the photos that it has a single section close spaced transmit style
> variable capacitor used as the loading capacitor.
>  My question is, did Heath change to a different style capacitor used as
> the loading cap in these amps, or was this a user modification?
>
>
> 73, Mark  WB8JKR
>
> Support Amateur Radio, have a Ham for dinner
> Member ARRL, QCWA, OTC, Society of Cable Telecommunication Engineers
> WAS, WAC, WTO, DXCC MIXED, DXCC PHONE, GJDXCC, VUCC 2M, 1st place Ohio
> single op 1988 ARRL  Sweepstakes
> Novice 3/71, General 8/72, Advanced 8/78, Extra 8/89
>
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