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.