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The Dude Incredible is a pairing of two cult classics: the IVP “Tube Voice” preamp and a percolator-style fuzz. Together, these two circuits have produced some of the most iconic guitar sounds in noise rock: jangly rhythm tones, ear-piercing treble chords, and endless walls of howling feedback. Originally released in 2017, the Dude Incredible was the first adaptation of the IVP into a pedal format. Now, it returns with some extra features and modern reliability improvements.
The Tube Voice channel is our streamlined version of the Intersound IVP (aka Instrument Voicing Preamp), a nearly-forgotten rackmount preamp from the 1970s. The transformer-loaded overdrive circuit is driven by a pre-gain shelving EQ for a distinctive palette of frequency-selective distorted sounds. Far from just a clang machine, this channel is fantastic for medium gain tones or as an always-on base layer. (This channel can also be found as a standalone unit in our Surveyor pedal.)
The Percolate channel needs no introduction. Our take on this beloved two-transistor fuzz features a painstakingly selected germanium transistor based on measurements of an original unit. We also added a diode switch to select between our custom configuration found in the Dude Incredible V1 and a more traditional highly compressed mode. Combining the Percolate side with the Tube Voice side produces a devastatingly destroyed fuzz.
Even if you aren’t a metal-pick-wielding treble fiend, the Dude Incredible is a source of unique distortion sounds that can’t be found anywhere else.
Bypass Switching:Independent fuzz and preamp circuits with relay-based true bypass switching which defaults to bypass in the event of power loss.
Input impedance @ 1kHz: 100kΩ (perc) / 500kΩ (tube voice)
Output impedance @ 1kHz: <25kΩ (perc), <5kΩ (tube voice)
Power: 9VDC, 2.1mm center negative barrel. The current draw is 90mAwith both channels engaged.
We recommend a regulated, isolated power supply rated for 100mA. Dude Incredible does not accept a battery. The power input is protected from reverse polarity and over-voltage conditions up to 24V.
Harm: Input gain for the Percolate channel.
Balance: Output level for the Percolate channel.
Gain: Tube Voice gain control; highly interactive with the Bass and Treble settings.
Level: Output level control, turn clockwise for more volume.
Treble: Tube Voice high shelf boost/cut, +/-12dB @ 3kHz located pre-Gain.
Bass:Tube Voice low shelf boost/cut, +/-12dB @ 100Hz located pre-Gain.
Diode (toggle):changes the clipping configuration of the Percolate channel. Up for less compression, down for more.
Hi/Lo (toggle):changes the gain range of the Tube Voice channel. In the Lo setting the gain range is -15dB to +12dB, in the Hi setting the gain range is +9dB to +36dB.
Right footswitch: Engages the Percolate circuit
Left footswitch: Engages the Tube Voice circuit
Version 2
New mechanical form factor
Added soft-touch relay bypass
Component tweaks to the Percolate side for an overall “nastier” sound
Added diode toggle and new clipping modes to the Percolate side
Updated Tube Voice side with Hi/Lo toggle (to match Surveyor V2)
Added over-voltage and ESD protection for the power supply
Version 1
Original release
