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The MXR Slash Octave Fuzz was a signature effects pedal produced by Dunlop, positioned as a high-gain fuzz unit with multi-register frequency shaping. It combined a primary fuzz circuit with a sub-octave generator and an upper-octave layer, giving the owner simultaneous access to three tonal registers within a single pedal.
The unit offered a fuzz gain range of 40 dB and an octave-up gain range of 20 dB, with the sub-octave corner frequency set at 149 Hz. Dry signal headroom reached a maximum of +1.6 dB. Signal-to-noise ratio exceeded 85 dB. Input impedance was 47 kΩ and output impedance 100 Ω. The pedal operated on 9 volts DC with a current draw of 17 mA and used true hardwire bypass, leaving the signal path unaltered when the effect was disengaged.
Owners tracing replacement footswitches, DC power connectors, or enclosure hardware compatible with this unit should bring the pedal and its specifications to a qualified guitar technician or electronics repair specialist for accurate component matching.
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The catalog shot showed one finish, under one light, a long time ago. Yours has been played. Photos from owners are what the next person finds when they are trying to identify a part, match a finish, or work out whether the one they just bought is really what the seller said it was.
Specs only go so far. What actually fits, what breaks first, what the factory got right and what everyone ends up changing — that lives with the people who own them, not in a datasheet. Post what you know and it stays on this page for whoever comes looking next.
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Dunlop
Dunlop
Dunlop
Dunlop
Dunlop
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From spec questions to full builds — players who have lived this gear since 2007.
Since 2007
