DUNLOP MXR M293 Booster Mini Instructions
- June 6, 2024
- DUNLOP
Table of Contents
M293 BOOSTER MINI
M293 BOOSTER MINI
The MXR Booster Mini gives you the sonic secret sauce of the Echoplex Preamp with the legendary boosting power of the MXR Micro Amp in a space-saving mini housing.
CONTROLS
- TONE knob rolls off high frequencies
- VOLUME knob sets boost level up to +25dB
- FOOTSWITCH toggles effect on/bypass (blue LED indicates on)
DIRECTIONS
- Run a cable from your guitar to the M293’s INPUT jack and run another cable from the M293’s OUTPUT jack to your amplifier.
- Set the VOLUME and TONE knobs to their fully counterclockwise positions.
- Turn the effect on by depressing the footswitch.
- Rotate the VOLUME knob clockwise to increase gain, up to +25dB.
- Rotate the TONE knob clockwise to roll off high frequencies.
- To change the output of the Echoplex Preamp circuit, remove the M293’s bottomplate. Using a trimpot adjustment tool, rotate the internal TRIMPOT clockwise to increase the circuit’s output or counterclockwise to decrease it. See Diagram A.
DIAGRAM A
POWER
The Booster Mini is powered by the Dunlop ECB003 9-volt adapter or an MXR® Brick™ Series power supply. This pedal cannot be powered by a battery.
SPECIFICATIONS
Input Impedance 800 kΩ
Output Impedance < 120 Ω
Max Input Level +6 dBV
Max Output Level +20 dBV
Noise Floor* -82 dBV (+19.5 dB gain)
Power Requirements 12.5 mA @ 9VDC
All measurements made at 1 kHz, speed at mid position.
*A-weighted. Mid position is +19.5 dB throughput gain.
DUNLOP MANUFACTURING, INC.
P.O. BOX 846 BENICIA, CA 94510 U.S.A.
TEL: 1-707-745-2722 FAX:
1-707-745-2658