3rd Power Kitchen Sink 6VEL Manual do utilizador - Página 15

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Tube Layout/Socket Location:

Tube Layout and Requirements:

CAN

V1: JJ 12AX7 (Preamp)

CAPACITOR

V2: JJ 12AX7 (Tone Stack)

POWER

V3: JJ 12AX7 (FX Loop)

TRANSFORMER

V4: Sovtek 12AX7LPS (Phase Inverter)

V5 and V6: EL34 Output tubes

Swapping Tubes and Bias Adjustment

Your DIRTY SINK 6VEL comes from the factory biased for safe operation of the factory provided tubes.

Limited bias adjustments are available to the user via the back panel bias terminals. Follow the rec-

ommended procedures and bias settings at all times and note the highlighted warning and caution

alerts as your safety as well as the safe operation of your ampliﬁer depend on it.

The operating range of the user bias circuit has been limited as a precaution while retaining enough

adjustment potential in order to provide the necessary ﬂexibility to operate a wide range of compat-

ible tubes available on the market.

Under no circumstances should you open your ampliﬁer and attempt to modify the circuitry in order

to increase operating range. Attempting to do so will potentially expose you to very dangerous high-

voltage electricity that can kill you. DO NOT ATTEMPT TO DO THIS YOURSELF.

Tube Replacement

THE SAFEST WAY TO CHANGE YOUR TUBES WOULD BE TO TAKE YOUR AMPLIFIER TO A QUALIFIED

TECHNICIAN FOR SERVICING. To safely change your own tubes at home: Make certain the ampliﬁer

is turned off and has been allowed ample time to cool down.

WARNING:

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

verely burn your ﬁngers and hands. Tubes are made of glass and can break if mishandled.

WARNING:

Do not touch the tube pins as you remove the tube. 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.