Brown Acid Fuzz
The MXR Brown Acid Fuzz delivers psychedelic
silicon saturation. Based on a classic 1970s UK
fuzz circuit, this pedal’s simple three-knob interface
allows you to plug in and tune out in no time at all.
CSP038
jimdunlop.com/csp038
™
CSP038 | Brown Acid
™
Fuzz 2
1 OUTPUT knob sets overall volume of effect
2 TONE knob controls overall EQ
3 FUZZ knob controls intensity of fuzz
4 FOOTSWITCH toggles effect on/bypass (blue LED indicates on)
1
3
2
4
External Controls
CSP038 | Brown Acid
™
Fuzz 3
Basic Operation
1 Run a cable from your guitar to the CSP038’s INPUT jack and run
another cable from the CSP038’s OUTPUT jack to your amplifier.
2 Start with all knobs set to 12 o’clock.
3 Turn the effect on by depressing the footswitch.
4 Rotate the OUTPUT knob clockwise to increase overall volume or
counterclockwise to decrease it.
5 Rotate TONE knob clockwise for a brighter tone or
counterclockwise for a warmer tone.
6 Rotate the FUZZ knob clockwise to increase fuzz intensity or
counterclockwise to decrease it.
The Brown Acid
™
Fuzz is powered by one 9-volt battery
(remove bottom plate to install), the Dunlop ECB003 9-volt
adapter, or the DC Brick
™
, Iso-Brick
™
, and Mini Iso-Brick
™
power supplies.
Power
Directions
CSP038 | Brown Acid
™
Fuzz 4
Specifications
* A-weighted, all controls mid position
Input Impedance 40 KΩ
Output Impedance < 110 kΩ
Noise Floor* -79 dBV
Gain Range 20 dB to 57 dB @ 1 kHz
Bypass True Hardwire
Current Draw 2.6 mA
Power Supply 9 VDC
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4
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