[AMPS] sb-200 troubles

[Steve Thompson]

-----Original Message-----
From: Phil Levin <drpal@waterw.com>
To: amps@contesting.com <amps@contesting.com>
Date: 10 August 1999 23:02
Subject: [AMPS] sb-200 troubles


>
>
>I have been trying to convert the sb-200 to six.
>
>Problems:
>
>1.)  Safety RF choke from output of tank circuit has blown
twice(could
>this be due to the parasitics???)


If you have kept the original, check it's not resonant at
50MHz.

>
>2.) Heath manual has resistance checks when amp is finally
assembled,
>first check says between either anode clip and to the
chassis should
>measure 180 K ohms and I'm getting 240 K ohms???


Duff bleeder resistors in the capacitor stack?

Steve



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