The ESP MM-04 is a preamp and boost originally custom-designed for Alexi Laiho. This small circuit is installed on all his guitars. It has become an essential element of his brutal and incisive sound, and his trademark.
The Alexi Laiho MM-04 features four preset frequency switches and a single trim potentiometer for gain control. It's 100% identical to Alexi's own, so you can create that unique tone that has become one of the most iconic in the metal scene!
The boost level is adjusted using the internal potentiometer (trimmer). The boost range is from +4.5 dB minimum to +18 dB maximum. You can select from 7 treble EQ presets by adjusting the 4 DIP micro-switches. Alexi's signature setup is achieved with an EMG HZ humbucker pickup and the following settings: DIP switches 2 and 4 are ON, and the gain boost is set to approximately 50-80%.
Features:
- ESP MM-04 Preamplifier
- Master Volume potentiometer
- Internal gain potentiometer (trimmer): +4.5 dB to +18 dB
- 4 integrated DIP EQ micro-switches (2 kHz – 5 kHz)
- 1 two-position gain boost On/Off switch
- 1 jack output
- Powered by a 9V battery
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