3rd Power Dream Weaver 112 Руководство пользователя - Страница 13

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O P E R A T I O N A L N O T E S :

TUBE CHART

Tube Layout and Requirements:

V1 and V3: JJ 12AX7 (Preamp)

V4: Sovtek 12AX7LPS (Phase Inverter)

V5 and V6: Mullard "Reissue" EL34 output tubes

Bias Adjustment

Your DREAM WEAVER comes from the factory biased for EL34 tubes. Bias adjustments are not

intended to be user-serviceable. Attempting 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 function. DO NOT ATTEMPT TO DO THIS

YOURSELF.

Tube Replacement

WE RECOMMEND TAKING YOUR AMPLIFIER TO A QUALIFIED TECHNICIAN FOR SERVICING YOUR

TUBES. Make certain 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:

• Do not remove the back panel.

• Do not attempt to check or replace tubes yourself. Refer to an authorized service center.

• Never touch the tubes while the ampliﬁer is turned on or has recently been turned ON. You

can severely burn your ﬁngers and hands.