The New Dallas Rangemaster Varitone takes the traditional treble booster to a new level. Introducing a new linear gain circuit and modified tone network this new treble booster offers the user a stepped variable frequency selector allowing the user to dial in the perfect sweet spot both in terms of gain and tonal performance. The new Dallas Rangemaster Varitone features a specially produced OC75 Transistor, hand selected for its optimum performance over the tonal spectrum.