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SF01 

SLASH

 

OCTAVE FUZZ

DIRECTIONS
• Run a cable from your guitar to 

the Slash Octave Fuzz’s INPUT 

jack and run another cable from 

the Slash Octave Fuzz’s OUTPUT 

jack to your amplifier.

• Turn the effect on by depressing 

the ON footswitch.

• Turn the VOLUME control clock-

wise to increase the amount of 

the direct signal (SUB INTO FUZZ 

disengaged)/main fuzz effect 

(SUB INTO FUZZ engaged) or 

counter-clockwise to decrease it.

• Turn the SUB OCTAVE control 

clockwise to increase the amount 

of the Sub Octave signal or 

counterclockwise to decrease it.

• Push the SUB INTO FUZZ switch 

to activate the main fuzz effect. 

You can now use the VOLUME 

knob to adjust its output.Turn 

the TONE knob clockwise 

for a brighter fuzz tone and 

counterclockwise for a warmer, 

thicker fuzz tone.

• Depress the UP footswitch to 

activate the octave up fuzz effect. 

Turn the OCTAVE UP control 

clockwise to increase the amount 

of the Octave Up fuzz signal or 

counterclockwise to decrease it.

• To access internal controls, 

unscrew bottom plate. GAIN 

control affects intensity of Octave 

Up fuzz and TONE shapes EQ of 

Octave Up fuzz.

                                                               

 7

CONTROLS

   VOLUME knob controls  

volume of dry signal when  

SUB INTO FUZZ switch is 

disengaged; controls volume  

of main fuzz when SUB INTO  

FUZZ switch is engaged

   TONE knob shapes overall  

EQ of main fuzz

   FUZZ knob controls intensity  

of main fuzz

   SUB OCTAVE knob controls 

volume of Sub Octave voice

   OCTAVE UP knob controls 

volume of Octave Up fuzz

  SUB INTO FUZZ switch  

activates main fuzz

  UP footswitch activates 

Octave Up fuzz

 7

SAMPLE SETTINGS

 

SLASH 1

BOTh OCTAVES

SLASH 3

SUB OCTAVE

SLASH 2

OCTAVE UP

INTERNAL SETTINGS

 

GAIN trim pot controls intensity  

of Octave Up fuzz
TONE trim pot shapes overall EQ  

of Octave Up fuzz

DESCRIPTION

•  Three different effects to thicken up your tone

•  Sub octave growl

•  Thick ‘70s shag fuzz

•  Psychedelic Octave Up fuzz

SPECIFICATIONS 

Input Impedance 

47 kΩ 

Output Impedance 

100 Ω 

Signal to Noise*  

>85 dB

Dry Max Gain  

+1.6 dB

Fuzz Gain Range  

40 dB

Octave Up Gain Range  

20 dB

Sub Octave Corner Freq.   149 hz
Bypass 

 True hardwire 

Current Draw 

17 mA 

Power Requirement 

9 volts DC 

*All controls at mid postion, A-weighted, Vref = 1Vrms 

 

 

POWER

The MXR Slash Octave Fuzz is 

powered by one 9-volt battery 

(remove bottom plate to install),  

a 9-volt AC adapter such as the 

Dunlop ECB003/ECB003EU, or  

a DC Brick™ power supply.

DUNLOP MANUFACTURING, INC.  

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

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

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