Dunlop M-188 User Manual

Congratulations on the purchase of your new M-188 MXR Bass
Auto Q stomp box! MXR effects have been favored by profes­sional guitarists for decades. While other effects have come
and gone, MXR’s keep getting the job done … with bulletproof
construction, quiet, reliable switching and tasteful, musically
inspired tone shaping.

DESCRIPTION

• Authentic Crybaby®Bass Wah tones and Q control

• Sensitivity circuit delivers effects at any volume

• Blendable LFO shimmer goes from tremble to shriek

• Fully adjustable transition from wah to LFO

• Indestructible, die-cast zinc housing

POWER

The MXR M-188 Bass Auto Q uses one 9-volt battery. The battery access is
through the bottom of the pedal. The Bass Auto Q uses the Dunlop ECB03
Adapter (ECB03E for Europe), a 9-volt DC regulated AC adapter. Plug polarity
is positive on the barrel and negative in the center. Note:Battery must be
installed to operate the Bass Auto Q unless an AC adapter is used.

M-188 bassautoQ

CONTROLS

Footswitch toggles Effect On/Bypass (red LED indicates on).
Range Knob controls frequency floor of effect.
The “Q” Knob adjusts the intensity of the wah effect.
Volume Knob controls overall effect volume (inactive in Bypass mode).
Decay Knob controls dropoff decay of wah effect.
Blend Knob controls mix between wah and shimmer.
Rate Knob controls the speed of the shimmer effect.

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