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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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