06
Overview from the top
Note: 1. Be careful of the high temperature of the tubes during
operation.
2. Driver tubes and Power tubes must be matched for
better results.
Functions Description
Bias Adjustment for V1, V2:
V1, V2: 845 Power Tube
Turn on the amplifier and wait for around ten minutes. Choose and turn the Bias Current selector from its “OFF”
position to V1. Turn down V1 BIAS ADJ. to its MIN. position first and then adjust the bias current. Inspect the
ampere meter on the front panel and make sure the pointer is at the position showed as in the pictures below.
(Suggested Bias Value:70mA) If you have any questions please contact with our company or local service agent.
Bias current adjustment for V2 is the same as for V1. Please adjust the corresponding BIAS ADJ. and make sure all
the bias level of V1, V2 are the same. In order to make sure the amplifilier works in its best condition please re-test
each tube’s operatin state after used 150 hours.
V3, V4: 6P3P V5:5AR4 V6,V7: 12AX7
