HAO Rumble MOD Ultimate Overdrive
The Rumble’s two modes of operation – Clean Boost in Mode #1 and Overdrive in Mode #2 – allow for a variety of applications and tonal options. If you’ve been searching for that $10K amp sound but are several $K short of the mark, the Rumble MOD is the economical answer to your tone quest.
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Hao’s ultimate overdrive unit, the Rumble MOD uses hand-selected components to provide the purest, smoothest, thickest overdrive ever. The problem with most OD’s lies in mismatched input/output impedances that can make components work overtime. The Rumble’s input and output buffers provide proper impedance matching, allowing its circuitry to focus purely on generating the fattest overdrive possible.
Rumble MOD creates a unique and highly musical overdrive characteristic. When a mini switch is set to "Boost" position, Rumble MOD functions as a booster and amplifies input signal so that a player can vary the signal strength with pick attack from crystal clean to crunchy overdrive. In "Drive" mode, depending upon setting of "Color" control, Rumble MOD generates from fat and silky to edgy and sizzling overdrive. This "Color" control works opposite of regular tone control and acts as a type of filter control on significant frequency ranges.
Specifications
Input Impedance: Approx. 500K-ohm
Output Impedance: Approx. 100K-ohm
Controls: Level, Color, Gain, mini Mode (Boost/Drive) Switch, DC9V Adaptor Jack (Negative Tip), True Bypass ON/OFF Footswitch with LED
Size: 122(L) x 101(W) x 36(H) mm
(excluding knobs, switches, and jacks)
Weight: Approx. 420g - - just under one pound - - (including a 9V battery)
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