Dunlop Manufacturing M77 User Manual

92503011258revC

M77 MODIFIED OVERDRIVE

M77 MODIFIED OVERDRIVE

DESCRIPTION

• Classic overdrive circuit hot­rodded for added versatility

• Adds sustain and gain without
coloring your guitar’s tone

• 100HZ knob allows a more
focused EQ when cut or a
beeer tone when boosted

• BUMP switch engages an
alternate EQ voicing that
boosts lows and mids

• True bypass

CONTROLS

TONE knob shapes overall EQ

100HZ knob cuts/ boosts

at 100 Hz

BUMP switch boosts lows and

mids (indicated by blue LED)

OUTPUT knob controls

overall effect volume

GAIN knob controls the amount

of overdrive

6 FOOTSWITCH toggles

effect on/bypass (red LED
indicates on)

POWER

The MXR Custom Badass™
Modied O.D. is powered by one

9-volt battery (remove bottom plate
to install), a 9-volt AC adapter such
as the Dunlop ECB003/ECB003E,
or a DC Brick

™

power supply.

DIRECTIONS

• Run a cable from your guitar to
the Modied O.D.’s INPUT jack
and run another cable from the
Modied O.D.’s OUTPUT jack
to your amplier.

• Set all controls to their
12 o’clock position.

• Turn the effect on by
depressing the footswitch.

• Rotate the GAIN knob clockwise
to increase the amount of
overdrive or counterclockwise
to decrease it.

SAMPLE SETTINGS

NASHVILLE CAT

T-STYLE/ 1X12” REVERB
COMBO/ CLEAN

TEXAS GUNSLINGER

S-STYLE/ 4X10” REVERB
COMBO/ PUSHED

• Rotate the OUTPUT knob
clockwise to increase
overall effect volume or
counterclockwise to decrease it.

• Rotate the 100HZ knob clockwise
to increase the low end for a
thicker tone or counterclockwise
for a more focused sound. At 12
o’clock, the frequency is at.

• Engage the BUMP switch for an
alternate EQ voicing that provides
a low and mid frequency boost.

RAWK GAWD

LP/ UK STACK/ ON 11

SPECIFICATIONS

Input Impedance 1 MΩ
Output Impedance <7.5 kΩ

Noise Floor* >87 dB
Tone Control ± 8 dB at 2.7 KHz
100HZ Control ± 24 dB at 100 Hz

Bump Button +6 dB low ~ mid boost

-3 dB at 540 kHz
Gain Control ± 25 dB range at 100 Hz

Bypass True Hardwire

Power Draw <4 mA

Power Supply 9 volt DC

0 dBV = 1V

rms

*A Weighted, all controls at mid position.

DUNLOP MANUFACTURING, INC.

P.O. BOX 846 BENICIA, CA 94510 U.S.A.

TEL: [phone] FAX: [phone]