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- Sat Aug 20, 2022 5:28 pm
- Forum: Vox/Hiwatt Discussion
- Topic: BIAS procedure Hiwatt DR405
- Replies: 1
- Views: 2613
BIAS procedure Hiwatt DR405
Hi, I'm building a Hiwatt DR405-clone on basis of the original circuits of Hiwatt/Huss. BIAS is performed as a single pot per each side, the BIAS input voltage is -130 V. But where is the testpoint and which voltage is right at this testpoint? I assume -49 V at pin 5 of the KT88. Is this correct? Th...