The GUPtech Le Chiou Steve Ricardo Artist edition is a special artist edition of the Le Chiou EQ-Boost, a full EQ-ed boost pedal that can also be used as a preamp. GUPtech describes it as "a full EQ-ed Boost with almost infinite dB and a complete EQ to shape your tone," and suggests using it "as a preamp or to tighte[n]" your sound1. This edition carries a special Chiou design in BubbleGum Pink1.
Controls and power
The pedal has a Tight knob that cuts lower frequency "to let you cut the mix," and a toggle switch that bypasses the EQ in its upper position1. That gives you the choice of shaping the tone with the full EQ or running the boost with the EQ out of the circuit.
Power is 9VDC only, center negative, and GUPtech warns that anything higher "will blow some stuff." Current draw is 22mA1.
The pedal is 9VDC center negative only. GUPtech states plainly that a higher voltage will damage it, so keep it off any higher-voltage outputs.
Where it came from
The Le Chiou Steve Ricardo Artist edition is a GUPtech EQ-ed boost pedal that the maker describes as "a full EQ-ed Boost with almost infinite dB and a complete EQ to shape your tone," usable as a preamp1. It is listed as sold out, with a sale price of £99.00 GBP1.
The maker's product page listed the pedal as sold out as of 26 October 2026, at a sale price of £99.00 GBP1.
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Steve Ricardo
Questions
What is the GUPtech Le Chiou Steve Ricardo Artist edition?
It is a special artist edition of the GUPtech Le Chiou, an EQ-ed boost pedal that can also be used as a preamp. It carries the same circuit as the standard Le Chiou, with a Tight knob that cuts lower frequencies, a toggle switch that bypasses the EQ in its upper position, and a BubbleGum Pink artist design. It runs on 9VDC center negative power only and draws 22mA.
How much boost does the Le Chiou have?
GUPtech describes it as a full EQ-ed boost with almost infinite dB and a complete EQ to shape your tone, with a gain figure of 23dBu at 0.1Vpp 1kHz. The maker suggests using it as a preamp or to tighten your sound.
Sources (1)
- Le Chiou, GUPtech (guptech.ca)
