Quote:
Originally Posted by bandersen
Does anyone have data for a 21ESP4 CRT ? All I know about it is the pinout from the radiomuseum. The dimensions look right for the GE and the filament specs match, but I'm not sure about the HV and grid voltages. Thanks.
http://www.radiomuseum.org/tubes/tube_21esp4.html |
I looked at my GE service manuals. The M5 chassis used the 21ESP4 CRT.
The ES, looks like it's good for a little more high voltage.
I would try it.
