Diamond J-Drive TR

Various

Diamond

Introduced as a limited run of 100 units at winter NAMM 2006, the TR evolution of the J-Drive integrates even more functionality and tonal variations into the combined drive and clean boost concept.

In the clean boost section, the TR has an independently switchable clean boost consisting of a Vishay JFET and germanium (NOS mil spec NPN 2N388 JAN's) booster that can be changed to a much higher gain germanium only 'treble booster' by pulling up on the boost section gain knob. Turning on both the treble boost and drive circuit together gives some amazing lead tones with just the right touch of germanium sizzle. We've also added a cool transformer output stage to the overdrive section - it has a wonderful smoothing effect on the upper mids and highs, placing an inductive source impedance at the amps input as a guitar's pickup would (but at a lower output impedance so it works great into other pedals as well as amps).

Our 'Close Asymmetry' overdrive circuit utilizes a Schottky barrier diode for smooth asymmetrical clipping - which combined with the transformer output gives a liquid smooth sustain with punch. We've also added a toggle switchable high frequency shelf filter to add extra 'bite' when needed.

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