24-04-2023, 04:52 PM
Some E88C's have a heater current of 325mA. Yes the audio community know about PCC88's, have done for years.
My experience with Tek 500 series scopes is that swopping valves is problematic. The time bases are very sensitive to what valve goes where.
Andy.
My experience with Tek 500 series scopes is that swopping valves is problematic. The time bases are very sensitive to what valve goes where.
Andy.
