mxr Thump - Basic Operation; Power Requirements; Operating Instructions

M281 | Thump
™
Bass Preamp 3
Basic Operation
1. Run a cable from your instrument to M281’s INPUT
jack and another cable from M281’s OUTPUT jack to your
amplifier.
2. Start with all controls at 12 o’clock.
3. Turn the effect on by depressing the footswitch.
4. Rotate OUTPUT knob clockwise to increase volume or
counterclockwise to decrease it.
5. Rotate TREBLE knob clockwise to boost high end
frequencies or counterclockwise to cut them.
6. Rotate FREQUENCY knob clockwise for a higher
midrange frequency center or counterclockwise for a
lower midrange frequency center.
7. Rotate MID knob clockwise to boost midrange
frequencies or counterclockwise to cut them.
8. Rotate BASS knob clockwise to boost low end
frequencies or counterclockwise to cut them.
The Thump
™
Bass Preamp is powered by the Dunlop ECB003
9-volt adapter or the DC Brick
™
, Iso-Brick
™
, and Mini Iso-Brick
™
power supplies. This pedal cannot be powered by a battery.
Power
Directions