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M234 analog chorus – Dunlop Manufacturing M234 User Manual

Page 2

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SAMPLE SETTINGS

M234 ANALOG CHORUS

DESCRIPTION

• Analog bucket
brigade technology
• Small footprint saves

pedalboard space
• High and Low filter cut controls

for detailed tone sculpting
• Two outputs for a wide and

sweeping stereo spread

POWER
The MXR M234 Analog Chorus
can be powered by one 9 volt
battery (accessed by removing the
bottom plate of the pedal), a Dunlop
ECB003 AC adapter (ECB003E in
Europe) or a Dunlop DCB10 DC
Brick power supply.

CONTROLS

LOW Controls the amount of

low frequency cut of effect

HIGH Controls the amount of

high frequency cut of effect

LEVEL Controls the overall

volume of the effect

RATE Controls the speed of the

chorus effect

DEPTH Controls overall intensity

of the chorus effect

THRU OUTPUT JACK Engages

stereo mode

DIRECTIONS
• Run a cable from your guitar to

the M234 Analog Chorus’ Input
jack and run another cable from
the M234 Analog Chorus’ Mono
Output jack to your amplifier
(for mono operation). To use the
M234 Analog Chorus in stereo
mode, run an additional cable
from the Thru Output jack to the
input of a second amp. Using
this jack automatically sends the
delayed signal only to the Mono
output jack when the effect is on
and outputs a buffered copy of
the input signal.

• Start off with all of the controls

set to 12 o’clock.

SPECIFICATIONS
Input Impedance

1 MΩ

Output Impedance

1 kΩ

Signal to Noise
Level, Rate, Depth Controls @ Max CW

Tone Controls @ Center Position

Effect On

> 96 dBV

Bypass

> 106 dBV

Tone Controls (Effects On)
LOW Variable Shelf 12dB/Octave

CW

800 Hz

Center

350 kHz

CCW

70 Hz

HIGH Variable Shelf 6dB/Octave

CW

Flat

Center

1.2 kHz

CCW

660 Hz

Bypass

Buffered

Current Draw

13 mA

Power Supply

DC 9 Volts

• Turn the effect on by depressing

the footswitch. The illuminated
blue LED indicates the unit is on.

• Rotate the Depth control

clockwise to increase the
intensity of the effect.

• Rotate the Rate control clockwise

to increase the speed of the
chorus effect.

• Adjust the Level control to set the

overall volume of the effect.

• Adjust the Low and High controls

to set desired tonality of the
chorus effect.

DUNLOP MANUFACTURING, INC.

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

TEL: 1-707-745-2722 FAX: 1-707-745-2658

“MOMS” PROM

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SCORE/FOLD

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SHORT TRIM

92503010383revC_M234_man.indd 4-6

1/26/11 4:31 PM