Rare NOS chips, specially selected matching NOS chips, tropical fish caps, and carbon comp resistors. Jam pedals aren’t messing around; these are the highest quality components for authentic, handmade, and beautifully styled 60’s and 70’s classic effects. For a boost that will ferociously energise your overdriven amp, bring out harmonics, and drive sustain into blistering feedback, the Jam Rooster is a mighty treble booster that will reawaken your valve amp with real vintage tone. Circuitry inspired by the Dallas Rangemaster, Jam has used the rarest of germanium transistors; the military spec CV7003 paired with tropical fish caps and carbon comp resistors. The Jam Rooster offers clean bite through to fat boosted overdrive.