Quick and Dirty SP-600
 Audio Modifications


Chuck Rippel, WA4HHG

Change C141 and C142 to 100 pF, polystyrene.

Change C143 to a 0.01 uF, polystyrene.

Change C148 to a 0.01 uF, polyester.

Change C149 to a 10 uF, electrolytic.

Change C151 to a 20-30 uF, electrolytic.

Add a 0.01 uF, 630 V off the bottom of the primary of the output transformer to ground.

Change R62, R63, R64, R65, R81, R82, R83, R98, R99 to metal film types.


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26 August1997