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M82 bass envelope filter – Dunlop Manufacturing M82 User Manual

Page 2

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SAMPLE SETTINGS*

M82 BASS ENVELOPE FILTER

DESCRIPTION

• Classic envelope filter sounds
• All-analog circuitry for rich,

organic tone

• Separate DRY and FX level

controls for preserving low end

• True bypass

CONTROLS

DRY knob controls volume

of unaffected signal

FX knob controls volume

of envelope filter signal

DECAY knob sets envelope

filter’s decay stop frequency

Q knob controls intensity

of effect

SENS. knob adjusts the

sensitivity of envelope filter
to your attack

FOOTSWITCH toggles

effect on/bypass (blue LED
indicates on)

DIRECTIONS

• Run a cable from your bass
to the Bass Envelope Filter’s
INPUT jack and run another cable
from the Bass Envelope Filter’s
OUTPUT jack to your amplifier.
• Start with all controls at 12

o’clock.

• Turn the effect on by depressing

the footswitch.

• Rotate the DRY knob clockwise

to increase volume of unaffected
signal or counterclockwise to
decrease it.

SPECIFICATIONS

Input Impedance

1 MΩ

Output Impedance

100 Ω

Max Input Level*

-15 dBV

Max Output Level

+8 dBV

Noise Floor*

-94 dBV

Filter Sweep (f

c

) 76 Hz to 3.2 kHz

Sensitivity Range

46 dB

Max Sensitivity at 500 Hz
f

c =

3.2 kHz

-23 dBV

f

c =

100 kHz

-39 dBV

Decay Stop Freq. 76 Hz to 1.3 kHz
Filter Gain at f

c

Q Min, f

c =

76 Hz

+8 dB

Q Max, f

c =

76 Hz

+18 dB

Q Min, f

c =

3.2 kHz

+8 dB

Q Max, f

c =

3.2 kHz

+26 dB

FX Range**

-∞ to 0 dB

Dry Range

-∞ to +6 dB

Bypass

True Hardwire

Current Draw

6 mA

Power Supply

9 volts DC

*A-weighted, all controls at mid position.

**Relative to filter gain

• Rotate the DECAY knob

clockwise to raise decay stop
frequency or counterclockwise
to lower it.

• Rotate the Q knob clockwise

to increase intensity of effect or
counterclockwise to decrease it.

• Rotate the SENS. knob clockwise

to increase envelope filter’s
sensitivity to your attack or
counterclockwise to decrease it.

BOTTOM DWELLER

SYNTH BASS

GORILLA BISCUIT

TECHNO/DANCE

BUBBLE FUNK

CLASSIC 70’S FUNk

*

ADJUST SENS. AS NEEDED TO ALLOW FOR INSTRUMENT OUTPUT LEVEL VARIATIONS

DUNLOP MANUFACTURING, INC.

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

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

POWER

The MXR Bass Envelope Filter
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.