DAD250+ Boost/OD/Dist
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![A guitar effects pedal labeled 'PROGRESS' with various control knobs, including gain, level, and grizzle, and a footswitch at the bottom.]()
A 250/D+ inspired pedal
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![Close-up of guitar pedal with control knobs labeled Gain, Level, and Grizzle. There is a small LED indicator light and a switch labeled COMP Ø LOSE. A black text box explains clipping options: 'comp' as a Ge/Si hybrid, 'no clipping' using the 741 op-amp, and 'loose' as open or slightly broken crunchy LED/BAT]()
clean boost to distorted leads
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![Close-up of a white electronic control box with three yellow knobs labeled Gain, Level, and Grizzle, a small toggle switch labeled Comp Ø Loose, a footswitch at the bottom, and a blue sticker that says PRG. The background is a grey speckled surface.]()
Built by Cusack Music in Holland, MI, USA
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![Guitar effects pedal with yellow knobs labeled GAIN, LEVEL, and GRIZZLE, and smaller switch labeled COMP Ø LOSE, on a speckled gray surface.]()
our love letter to the LM741
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![Guitar effects pedal with four yellow knobs labeled Gain, Level, Grindle, and Comp Loose. The Grindle knob is pointed at the 12 o'clock position. There are small switches and a footswitch at the bottom. The pedal sits on a gray speckled surface.]()
original take on the classic
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![A guitar effects pedal labeled "PROGRESS" with a blue arrow, red progress bar, and a footswitch. Above the pedal are two yellow knobs labeled "GAIN" and "LEVEL," and a white arrow pointing to the "GAIN" knob. A black text overlay explains the voltage range, noting a slight increase in headroom and making the LED brighter at 9-18VDC.]()
subtle
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![Close-up of a green circuit board with a white label containing instructions about a circuit inside a pedal, focusing on a slide switch for bass response. There is a partially visible label that says "THICK/TIGHT"]()
bassists dig it
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![Three white boxes with blue circular labels stacked on a wooden surface. The labels read 'Progress Pedals' and include a pink pegboard graphic, serial numbers, and est 2024.]()
hand numbered and signed
