Dunlop MXR M134 User manual

92503003285revC
M134 STEREO CHORUS

SAMPLE SETTINGS
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
THICK ANALOG
CHORUS
LESLIE
SIMULATION
BRIGHT MODERN
CHORUS
DUNLOP MANUFACTURING, INC.
P.O. BOX 846 BENICIA, CA 94510 U.S.A.
TEL: [phone] FAX: [phone]
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)
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.
• 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.
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
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
IN IN