Description
The Mad Professor BlueBerry Bass Overdrive (BBBOD) is built specifically around how a bass string actually behaves — dynamically, with no hard clipping wall. Instead of slamming into a fixed distortion threshold, it responds to picking or plucking intensity, shifting shades of grind the way an old tube bass amp would. Set the Drive knob low and you get that dynamic, amp-like breakup: harder strikes push more saturation, lighter touches stay clean. Push the Drive higher and the character tightens into a denser, more compressed distortion for players who want consistent thickness rather than touch-sensitivity.
What sets the BBBOD apart on a bass board is the Nature control. Rather than a simple tone knob, it decides which register actually distorts. Rolled counter-clockwise, low end blooms and the grit sits in the lower registers for a huge, fat tone. Rolled clockwise, the emphasis shifts to upper midrange, carving out a cutting, protruding voice suited to solo bass lines that need to sit forward in a mix. Volume has enough headroom to double as a clean boost when the drive is backed off.
Though voiced for bass, the same dynamic low-end distortion translates to other low-register instruments looking for controlled grit rather than fuzzed-out saturation.
- Input impedance: ~500K Ohms
- Recommended output load: 50K Ohms or higher
- Current draw: ~4mA @ 9V DC
- DC supply range: 8–12V
- Max gain at 1kHz: ~50dB
- True bypass
- Includes 2x 6″ patch cables









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