MXR M181 User manual

92503004787revD

M181 BASS BLOW TORCH

M181 BASS BLOW TORCH

DESCRIPTION

• Full range of distortion, from
tube-like growl to chainsaw fuzz

• Active 3-band EQ with 3-position
Mid Shift switch for precise tone
sculpting

• True hardwire bypass

CONTROLS

VOLUME knob sets overall

eect volume

BASS knob controls how much

low end is cut or boosted

MIDRANGE controls how much

midrange is cut or boosted

MID SHIFT switch selects

Midrange center frequency

5 TREBLE knob controls how

much high end is cut or boosted

6 BLEND knob adjusts mix of dry/

distortion signals

7 GAIN knob controls amount

of distortion

8 TORCH switch toggles between

overdrive sound and “Blow
Torch” fuzz sound

9 THRU INPUT jack allows

for input signal splitting

10 FOOTSWITCH toggles eect

on/bypass (indicated by
blue LED)

POWER

The M181 Bass Blow Torch is

powered by two 9-volt batteries
(remove bottom plate to install),
|a Dunlop ECB004/ECB004E
18-volt AC adapter, or a DC
Brick® power supply.

9

10

SPECIFICATIONS

Input Impedance 1 MΩ

DIRECTIONS

• Run a cable from your bass to
the Blow Torch’s Input jack and
run another cable from the Bass
Blow Torch’s Output jack to
your amplier. Too split the Blow
Torch’s output into separate wet
and dry signals, run an additional
cable from the Thru output to the
input of a second amp.

• Start with all controls at
12 o’clock.

• Turn the eect on by depressing
the footswitch.

7

8

• Rotate the VOLUME knob
clockwise to increase
overall eect volume and
counterclockwise to decrease it.

SAMPLE SETTINGS

HEAVY GROOVE
FUZZ TONE

OLD SCHOOL
TUBEY FUZZ TONE

• Rotate the BASS knob clockwise
to boost low end frequencies or
counterclockwise to cut them.

• Rotate the MIDRANGE knob
clockwise to boost midrange
frequencies or counterclockwise
to cut them.

• Rotate the TREBLE knob
clockwise boost high end
frequencies or counterclockwise
to cut them.

• Rotate the BLEND knob
clockwise to increase mix of
distortion with clean signal and
counterclockwise to decrease it.

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

YOUR SETTING

Output Impedance >25 kΩ
Signal to Noise* >90 dB

EQ
Bass ±14 dB, 6 dB/oct shelf
@ 180 Hz
Mid ±15 dB, bandpass/cut
Treble ±12 dB, 6 dB/oct shelf
@ 3.6 kHz
Torch ON +12 dB boost, 6 dB/oct shelf
@ 3.23 kHz

Bypass True Hardwire
Current Draw 9 mA
Power Supply 18 volts DC

*A-weighted, all controls @ mid-position, Vref = 1 Vrms

DUNLOP MANUFACTURING, INC.

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

TEL: [phone] FAX: [phone]