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Ameritron 800 watt amp
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12-21-2018, 08:50 PM
davet753
David Thomas
Join Date: Mar 2013
Location: Knoxville, TN
Posts: 443
Success! Replaced the parasitic suppression board today, took out the RC network for the grids and tied all 4 tube grids directly to ground, and added the gas discharge tubes in the filament circuit. The parasitic oscillation problem is gone now.
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