Electro-Harmonix Deluxe Bass Big Muff Pi 2
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Description
Description
Electro-Harmonix Deluxe Bass Big Muff Pi 2 Bass Fuzz Pedal
The Deluxe Bass Big Muff Pi 2 is an analog fuzz pedal for bass guitar, built around a dual op-amp Big Muff 2 circuit with an expanded feature set optimised for bass. The pedal delivers the signature midrange grind and virtually endless sustain of the classic Big Muff design, voiced with extended low-end response and flexible tone shaping controls purpose-built for bass.
On top of the standard VOLUME, TONE, and SUSTAIN controls, the Deluxe Bass version adds a BLEND knob for wet/dry mixing, a noise GATE, an XLR DI output, a buffered DIRECT OUT, and a footswitchable CROSSOVER section with independent high-pass and low-pass filters. A selectable input pad accommodates basses with active pickups. Both the main and crossover footswitches support latching and momentary operation.
Key Features
- Dual op-amp analog fuzz circuit: based on the once-discontinued Big Muff 2 design, delivering the classic midrange grind and sustain of the original Big Muff Pi with extended bass-optimised voicing.
- BLEND control: mixes the dry and distorted signals continuously from 100% clean to 100% fuzz, preserving the fundamental low-end while adding fuzz on top.
- Footswitchable CROSSOVER section: splits the signal into two paths, applying a high-pass filter to the fuzz circuit and a low-pass filter to the clean signal. HPF cutoff adjustable from 115 Hz to 1 kHz; LPF cutoff from 60 Hz to 10 kHz.
- Noise GATE: eliminates unwanted fuzz noise between notes; threshold adjustable via the GATE knob, fully disengaged when turned to minimum.
- Selectable input pad: toggle switch attenuates the input by 10 dB for use with active, high-output pickups.
- Expanded I/O: standard input and output jacks joined by an XLR DI OUTPUT (effected signal, low impedance) and a DIRECT OUT (buffered, clean, unaffected signal).
- Latching/Momentary footswitch action: tap for standard latching on/off; press and hold for a momentary burst of fuzz that disengages on release. Applies to both the main and crossover footswitches.
- Buffered bypass: maintains signal integrity and consistent impedance in the signal chain when the effect is disengaged.
Technical Specifications
- Manufacturer: Electro-Harmonix.
- Model: Deluxe Bass Big Muff Pi 2 (Deluxe Dual Op-Amp Bass Fuzz).
- Circuit type: Analog.
- Audio: Mono.
- Bypass: Buffered bypass.
- Input impedance: 2.2 MΩ.
- Output impedance: 550 Ω (OUTPUT and DIRECT OUT).
- HPF range: 115 Hz – 1 kHz.
- LPF range: 60 Hz – 10 kHz.
- Input pad: 0 dB / -10 dB (switchable).
- Power supply: 9.6VDC, 200 mA, center-negative (included).
- Current draw: 45 mA at 9.0VDC.
- Dimensions: 146 × 121 × 64 mm.
- UPC: 683274012759.
- Year released: 2026.
What's Included
- 1 × Electro-Harmonix Deluxe Bass Big Muff Pi 2 fuzz pedal.
- 1 × 9.6VDC 200 mA power adapter.
Who Is It For?
- Bass guitarists performing live: the CROSSOVER section and BLEND knob allow fuzz tones that retain a solid, clean low-end, keeping the bass audible in a full band mix without losing the effect.
- Studio bass players: the XLR DI output and buffered DIRECT OUT provide direct recording options without the need for additional DI boxes or splitters.
- Players with active pickups: the selectable -10 dB input pad prevents overloading the fuzz circuit with high-output active bass signals.
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