Thread: 21zp4a crt sub
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  #33  
Old 03-31-2025, 12:08 PM
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bandersen bandersen is offline
RCA 741PCS
  
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,808
Lots to check for low HV.

6BQ6 HOT
1AX2 HV rectifier
6W4 damper
1M resistor in series with HV lead
0.51 ohm current limiting HV rectifier resistor
500pF, 20kV HV filter cap
Horizontal grid driver amplitude
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