Dunlop Manufacturing M134 User Manual

92503003285revC

M134 STEREO CHORUS

M134 STEREO CHORUS

DESCRIPTION

• Rich analog chorusing

• Bass and Treble controls
for shaping chorus tone

• Bass Filter switch for
increased low end clarity

• Analog bucket-brigade
technology

CONTROLS

1 BASS FILTER switch reduces

chorusing on low end

2 BASS knob controls how much

low end is cut or boosted

3 TREBLE knob controls how

much high end is cut or boosted

4 INTENSITY knob controls

overall amount of chorusing

5 WIDTH knob controls chorusing

sweep range

6 RATE knob controls speed of

chorusing effect

7 FOOTSWITCH toggles effect on/

bypass (red LED indicates on)

POWER

The M134 Stereo Chorus is
powered by two 9-volt batteries,
a 18-volt AC adapter such as the
Dunlop ECB004/ECB004E, or a
DC Brick

™

power supply.

7

DIRECTIONS

• For mono operation, run a cable
from your guitar to the Stereo
Chorus’ INPUT jack and run
an other cable from the Stereo
Chorus’ MONO OUTPUT jack
to your amplier. To run the
Stereo Chorus in stereo, run
an additional cable from the
pedal’s STEREO OUTPUT
jack to a second amplier.

• Start with all controls at
12 o’clock.

• Turn the effect on by depressing
the footswitch.

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

SAMPLE SETTINGS

THICK ANALOG
CHORUS

BRIGHT MODERN
CHORUS

IN IN

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

• Rotate the INTENSITY knob
clockwise to increase chorus
intensity or counterclockwise
to decrease it.

• Rotate the WIDTH knob
clockwise for a wider chorusing
sweep range or counterclockwise
for a narrower range.

• Rotate the RATE knob clockwise
to increase chorusing speed or
counterclockwise to decrease it.

• To reduce chorusing on low end
frequencies, press the BASS
FILTER switch.

LESLIE
SIMULATION

SPECIFICATIONS

Input Impedance 2.2 MΩ
Output Impedance 3.3 kΩ

Maximum Input Level* +10 dBV, 1 kHz
Maximum Output Level +13 dBV

Noise Floor** -100 dBV
Tone Control
BASS ±12 dB, 100 Hz
TREBLE ±12 dB, 3 kHz

Rate Control 0.1 Hz to 10 Hz
Total Harmonic Distortion <0.1%

Maximum Delay 16 ms

Maximum Phase Shift 2.88 k degrees, 1 kHz

Noise Reduction 2:1

Frequency Response 20 Hz to 20 kHz, ±1 dB

Bypass Buffered

Current Draw 26 mA

Power Supply 18 volts DC

All Controls at Mid Position,

*
**All Controls at Mid Position, A-weighted

TEL: [phone] FAX: [phone]

DUNLOP MANUFACTURING, INC.

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