Operation Manual

ACTIVE/PASSIVE PICKUP INPUTS

These 1/4" inputs are included so you can choose the appropriate setting for your instrument. The gain

structure of the amplier is modied to accommodate the outputs of different pickup congurations.

GAIN

This knob controls input level of the instrument.

TT BOOST SWITCH

This TransTube

crunch circuit is designed so that the volume of the amp will not change when the boost

is switched on, but the distortion level will increase depending on the level of the GAIN knob. For best

results, rst set the distortion amount by adjusting the GAIN. Next, set the desired volume using the VOL-

UME knob. At this point, the clean volume will match if the TT BOOST is turned off.

BASS

This knob provides a shelving tone control for low frequencies and provides cut/boost of +/-15 dB. The

center point is at. The center frequency is 50 Hz. -3 dB shelf corner frequency is 100Hz.

MIDDLE

This knob provides a peaking tone control for Mid frequencies and cut/boost of +/-15dB. The center point

is at.

MID SHIFT

This switch controls the center frequency of the MIDDLE knob. When the switch is OUT, the middle fre-

quency is 600Hz. The middle frequency is 250Hz when the switch is pushed IN.

TREBLE

This knob provides a shelving tone control for high frequencies and cut/boost of +/-15dB. The center

point is at and the frequency is 8 KHz. -3dB; the shelf corner frequency is 5 KHz.

PSYCHO-ACOUSTICS EFFECT SWITCH

See Psyco-acoustics effect switch description on page 9.

VOLUME

This knob controls the overall volume of the amplier.

TUNE/MUTE

Pressing this button will engage the chromatic tuner while muting the output to the speaker. The LED

screen will indicate which note is being played while the red and green LEDs above the screen indicate

whether the note is at (red), sharp (red) or in tune (green).

HEADHPHONE OUTPUT

1/8" headphone output for personal monitoring.

Front Panel MAX

110

42 7

5 6