Front Panel; Power Switch; Standby Switch; Power Status Lamp - Peavey 3120 Operating Manual

FRONT PANEL

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(1)

POWER SWITCH

This two-way toggle switch applies mains power to the unit. The amber POwER
STATUS LAMP (3) will illuminate when this switch is in the ON position.
(2)

STANDBY SWITCH

This two-way toggle switch allows the amp to be placed in the STANDBY mode.
In the STANDBY position the tubes stay hot but the amplifier is not operational.
Switching to the ON position places the amp in active mode.
(3)

POWER STATUS LAMP

This indicator illuminates when mains power is being supplied to the amp.
(4) MASTER VOLUME
This control sets the overall volume level of the amp. Once the desired
balance between the three channels in the amplifier has been achieved, the
entire output level of the unit can be increased or decreased by rotating this
control. Clockwise rotation increases level; counterclockwise rotation
decreases level.
(5) Treble
This control, on both the Rhythm and Lead channels, varies the high frequency
response of the amplifier. It is an active control (shelving type) and allows 15
dB of boost or cut.
(6) Middle
This control, on both the Rhythm and Lead channels, varies the mid frequency
response of the amplifier. It is an active control (peak/notch type) and allows
15 dB of boost or cut.
(7) Bass
This control, on both the Rhythm and Lead channels, varies the low frequency
response of the amplifier. It is an active control (shelving type) and allows 15
dB of boost or cut.
(8) VOLUME
This control, on all three channels, sets the overall level of its respective
channel.
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