[AMPS] RF Choke

Tom Rauch W8JI@contesting.com
Thu, 2 Nov 2000 11:33:02 -0500


> Would someone be kind enough provide me with a source for a replacment 1mh
> RF choke for the grid of a SB-220.  The only values I am able to locate
> are Millen 200 and 300 ma 1mh chokes.  What value should I look for as a
> replacement?

Richard,

Ground the grids at each grid pin directly to the chassis with a lug 
at each grid pin.

Be sure to remove the tubes before drilling any holes.

The amp will work better and be more stable with the grids directly 
grounded.
73, Tom W8JI
w8ji@contesting.com

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