Ground the grids directly and remove the caps and chokes. BUT install a
glitch resistor in series with the B+ and a diode from chassis ground to B-
(anode to ground, cathode to B-). W8Ji's web site has lots of information
on this.
73
Jim W7RY
-----Original Message-----
From: Randall K Martin
Sent: Saturday, June 01, 2013 5:39 PM
To: amps@contesting.com
Subject: [Amps] Source of Mica Caps?
Does anybody know where I can buy a replacement for one of the mica grid
bypass capacitors used in the Heathkit SB220? I believe they are 115 pf.
Can't find anything close in the mouser catalog.
73
Randy K0EU
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