Bass Preamps On-Board

GP-BP3M Modern


High quality bass preamp 3-band GP-BP3M or 2-band GP-BP2M with strong, dynamic bass, expressive middle and clear treble. Modern sound and precise tone makes it suitable for many music genres. It has very selective bass and it cooperates well with all kinds of pickups. Preamp provides power up boost/cut for bass 40Hz or 60 Hz +/-18dB, treble 6,5kHz or 10kHz +/-18dB - frequencies switched with microswitch inside installation, middle 400Hz/600Hz/800Hz +/- 14dB - frequencies switched with microswitch inside installation or with 3-way miniswitch outside. Power consumption 2mA-9V/ 2,5mA-18V. Dimensions 28mm x 33mm x 15mm

GP-BP3J Jazz


High quality bass preamp 3-band GP-BP3J or 2-band GP-BP2J with strong, warm bass and treble and expressive, thicker middle. It cooperates with all kinds of pickups. Preamp provides power up boost/cut for bass 40Hz or 60 Hz +/-18dB, treble 6,5kHz or 10kHz +/-18dB - frequencies switched with microswitch inside installation, middle 400Hz/600Hz/800Hz +/- 14dB - frequencies switched with microswitch inside installation or with 3-way miniswitch outside. Power consumption 1,4mA-9V/ 1,9mA-18V. Dimensions 28mm x 33mm x 15mm

GP-BP3


Bass preamp 3-band GP-BP3 or 2-band GP-BP2 offers warm, clean and dynamic sound. Preamp provides power up boost/cut for bass 40Hz +/-14dB, treble 6,5kHz +/-16dB, middle 400Hz/800Hz +/- 10dB - frequencies switched with microswitch inside installation or with 2-way miniswitch outside. Power consumption 4,8mA-9V/5mA-18V. Dimensions 28mm x 33mm x 15mm
It's used in Mayones basses since 2008 as M-BP3 and M-BP2

GP-BP3HF


Bass preamp 3-band GP-BP3HF offers strong, dynamic and clean sound. Preamp provides power up boost/cut for bass 40Hz +/-14dB, treble 6,5kHz +/-16dB, middle 400Hz/800Hz +/- 10dB - frequencies switched with microswitch inside installation or with 2-way miniswitch outside. Power consumption 4,8mA-9V/5mA-18V. Dimensions 28mm x 33mm x 15mm
It's used in Mayones basses since 2013 as M-BP3, M-BP3HF.