Thread: 21zp4a crt sub
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Old 03-29-2025, 04:16 PM
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timmy timmy is offline
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There is a tuning capacitor on the chassis that says horizontal frequency is this used to set high voltage if it’s not right? One last question the power transformer has the 5u4 tube for b+ is the heater voltage separate from the rest of the tube string wondering if I ever tried using the plug in rectifier

Last edited by timmy; 03-29-2025 at 04:33 PM.
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