3rd Power American Dream 112 Руководство пользователя - Страница 13
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Operational Notes:
TUBE CHART
V1
V2
V3
Tube Layout and Requirements:
V1 - V3: JJ 12AX7A (spiral filament)
V4 and V5: Winged "C" 6L6 output tubes
Bias Adjustment
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.
Tube Replacement
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.
V4
V5
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