the sparkle motion is our take on an iconic treble boost – the rangemaster.
the added controls and circuit modifications keep the original tones of the rangemaster and expand on them. transforming the sparkle motion from a basic treble booster to a mid range boost, dark bass boost, gritty mis-biased overdrive and more! the FIRST (probably) rangemaster-alike that is bass-friendly… wow!
this is NOT an “authentic” rangemaster clone; in fact, it is an ANTI-treble boost. it does not include any secret mojo or anything like that, save for the NPN germanium transistor (which means you can use this RM clone with your standard negative tip power supply).
controls include:
input attenuation, EQ, bias, volume
treble/bass toggle switch, bypass footswitch
note: the “original” bias point of around 7-7.2V has been changed to around 6.5V, because it sounds better there (at least to our ears).
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