Tubeset for Engl Powerball I and II
The bias of the power tubes should be set to approx. 30-35mA. If the original ENGL tubes are still in use, please tell us the grading.
We can supply tubes with the same grading, hence re-biasing becomes unnecessary.
Tubeset includes:
1x RT093-HG - V5:
7025-WB HIGHGRADE TAD Premium Selected
1x RT003 - V6:
ECC83-Cz TAD Premium Selected
1x RT093 - V7:
7025-WB TAD Premium Selected
1x RT003 - V8:
ECC83-Cz TAD Premium Selected
1x RT104 (V1-V4)
6L6GCM-STR REDBASE Premium Selected
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