Mercury IV
Spaceman EffectsProduct Description
The Mercury IV is a Germanium Harmonic Boost designed to enhance the tonal qualities of instruments and amplifiers. With up to +35dB of gain, it adds significant presence while preserving your core tone.
This pedal allows for musical expression through its Boost and Harmonics controls. The Boost knob adjusts the level of gain in your signal chain, while the Harmonics knob introduces light, tube-like distortion and octave-like overtones, responding dynamically to your playing style and instrument. This adaptability makes it suitable for a range of guitars and sounds.
Technical Specifications
| Voltage | 9V DC, center negative |
| Circuit Type | analog |









