The JPTR FX Bleach - Seattle Guitar Destroyer 10 YRS EDT is a limited 10th anniversary edition of the JPTR FX Bleach, a pedal that puts distortion and analog chorus in one box. JPTR FX describes it as "your Seattle buzzsaw, an analog chorus circuit combined with our love language of raw destruction," aimed at the iconic 90s sounds and beyond1. The edition is super limited: 20 pedals only, finished in Analog Magenta1.
The distortion side
The distortion side is an OpAmp circuit with a filter similar to the "Muff," according to JPTR FX1. To offer both scooped and mid-forward sounds, the company changed a handful of parts to give the pedal a wide tonal range1. Big clipping diodes that you can change with internal dip switches ensure, in the maker's words, that the sound is properly grinding1. That puts the Bleach in the same family territory as other JPTR FX dirt pedals such as the Gainsaw Distortion, the Silbermaschine Fuzz and the Katastrophe, though each takes a different circuit approach.
The chorus side
The chorus side is analog, and JPTR FX describes it as "wide, wet and ultra-lush just waiting for waowaowao feedback or iconic, hypnotic lead tones"1. An internal dip switch brings it from chorus to vibrato, so the modulation half can work either as a chorus or as a vibrato1. For more on how this kind of effect works on its own, see Chorus Pedals and Vibrato Pedals.
Switching and buying
Both foot controllable switches on the outside can be readjusted to momentary mode, which switches the effect on only while the foot rests on the switch1. That is useful for kicking in the distortion or the chorus for a single passage rather than leaving it latched on.
JPTR FX sells directly from the manufacturer and produces every model in batches, so the company asks buyers to allow some time for order fulfillment1. With only 20 pedals in this edition, availability is limited by design.
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Questions
Can the Bleach chorus side be set to vibrato?
Yes. JPTR FX says an internal dip switch switches the chorus side from chorus to vibrato, so the modulation half of the pedal can run as a pitch-wobbling vibrato instead of a chorus. Opening the pedal to reach the switch is the trade-off, since it sits inside rather than on the top panel.
Does the Bleach use a Big Muff circuit?
Not exactly. JPTR FX describes the distortion side as an OpAmp circuit with a filter similar to the Muff, and the company changed a handful of parts to offer both scooped and mid-forward sounds with a wide tonal range. So it draws on that style of filtering without being a straight Big Muff copy.
Can you change the clipping diodes on the JPTR FX Bleach?
Yes. The distortion side uses big clipping diodes that can be changed with internal dip switches, according to JPTR FX, which lets you alter how the distortion grinds without opening the pedal to swap parts by hand.
How do you buy a JPTR FX pedal?
JPTR FX sells directly from the manufacturer. Every model is produced in batches, so the company asks buyers to allow some time for order fulfillment. The 10 YRS EDT version of the Bleach is limited to 20 pedals finished in Analog Magenta.
Sources (1)
- JPTR FX Bleach, JPTR FX







