3rd Power American Dream 112 User Manual - Page 13

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Operational Notes:

TUBE CHART

Tube Layout and Requirements:

V1 - V3: JJ 12AX7A (spiral filament)

V4 and V5: Winged "C" 6L6 output tubes

Your AMERICAN DREAM comes from the factory biased for 6L6

tubes. Bias adjustments are not intended to be user-serviceable. At-

tempting to adjust the bias yourself will expose you to very dangerous

high-voltage electricity that can kill you. Special test equipment and

knowledge of amp circuits and tubes are required to perform this func-

tion. DO NOT ATTEMPT TO DO THIS YOURSELF.

WE RECOMMEND TAKING YOUR AMPLIFIER TO A QUALI-

FIED TECHNICIAN FOR SERVICING YOUR TUBES. Make cer-

tain the amplifier is turned off and has been allowed ample time to cool

down. Be very careful when you remove the tubes as they might still be

very hot! Do not touch tube sockets with fingers! Even after turning

your amp off and unplugging it from the power outlet there could be

enough voltage stored in the capacitors to give you a lethal electrical

shock.

WARNING:

1) Do not remove the back panel.

2) Do not attempt to check or replace tubes yourself. Refer to an

authorized service center.

3) Never touch the tubes while the amplifier is turned on or has re-

cently been turned ON. You can severely burn your fingers and

hands.