Peavey JSX Joe Satriani Signature All-Tube Amplifier manual O N T Pa N E L

F R O N T PA N E L

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(1)POWER SWITCH

This two-way toggle switch applies mains power to the unit. The red 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 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)PRESENCE

Used to fine-tune the high frequency range of the speaker enclosure by varying the damping factor of the amplifier at high frequencies.

(5)RESONANCE

Used to fine-tune the low frequency range of the speaker enclosure by varying the damping factor of the amplifier at low frequencies.

(6)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.

(7)TREBLE

This control, on both the Ultra and Crunch channels, varies the high frequency response of the amplifier. It is an active control (shelving type) and allows ˜12 dB of boost or cut.

(8)MID

This control, on both the Ultra and Crunch channels, varies the mid frequency response of the amplifier. It is an active control (peak/notch type) and allows ˜12 dB of boost or cut.

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