Thread: 21zp4a crt sub
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Old 04-04-2025, 07:58 PM
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bandersen bandersen is offline
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Join Date: Mar 2009
Location: Chicago, IL
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If you have a stable image, the frequency is correct. I mean use a scope to see the drive AC waveform amplitude.

6AX4 should be fine. Very similar spec to 6W4.
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