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G-BP3 3-Band Bass Preamp

G-BP3 – 3-band preamp designed for use with passive pickups. Key features include:

  • Bass: 40Hz +/-18dB
  • Treble: 6.5kHz +/-18dB
  • Middle: 400Hz/600Hz/800Hz +/-12dB
  • Frequency switching via microswitch or 3-position mini switch
  • 5m Fender cable emulation mode

Specifications:

  • Input impedance: 1MΩ (ideal for various pickups)
  • Power supply: 9V/18V (18V adds +6dB Headroom)
  • Current consumption: 2mA-9V / 2.5mA-18V
  • Dimensions: 28mm x 33mm x 15mm

Potentiometers / Switch: Set 1

  • Volume Push-Pull Active/Passive
  • Balance
  • Treble
  • Middle
  • Bass
  • Miniswitch 400/600/800Hz
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G-BP3 3-Band Bass Preamp

G-BP3 – 3-band preamp designed for use with passive pickups. Key features include:

  • Bass: 40Hz +/-18dB
  • Treble: 6.5kHz +/-18dB
  • Middle: 400Hz/600Hz/800Hz +/-12dB
  • Frequency switching via microswitch or 3-position mini switch
  • 5m Fender cable emulation mode

Specifications:

  • Input impedance: 1MΩ (ideal for various pickups)
  • Power supply: 9V/18V (18V adds +6dB Headroom)
  • Current consumption: 2mA-9V / 2.5mA-18V
  • Dimensions: 28mm x 33mm x 15mm

Potentiometers / Switch: Set 2

  • Volume Push-Pull Active/Passive
  • Balance
  • Middle
  • Treble/Bass (Stack)
  • Miniswitch 400/600/800Hz
Shop

G-BP3 3-Band Bass Preamp

G-BP3 – 3-band preamp designed for use with passive pickups. Key features include:

  • Bass: 40Hz +/-18dB
  • Treble: 6.5kHz +/-18dB
  • Middle: 400Hz/600Hz/800Hz +/-12dB
  • Frequency switching via microswitch or 3-position mini switch
  • 5m Fender cable emulation mode

Specifications:

  • Input impedance: 1MΩ (ideal for various pickups)
  • Power supply: 9V/18V (18V adds +6dB Headroom)
  • Current consumption: 2mA-9V / 2.5mA-18V
  • Dimensions: 28mm x 33mm x 15mm

Potentiometers / Switch: Set 3

  • Volume
  • Balance
  • Middle
  • Treble/Bass (Stack)
  • Miniswitch 400/600/800Hz
  • Miniswitch Active/Passive
Shop

G-BP3 3-Band Bass Preamp

G-BP3 – 3-band preamp designed for use with passive pickups. Key features include:

  • Bass: 40Hz +/-18dB
  • Treble: 6.5kHz +/-18dB
  • Middle: 400Hz/600Hz/800Hz +/-12dB
  • Frequency switching via microswitch or 3-position mini switch
  • 5m Fender cable emulation mode

Specifications:

  • Input impedance: 1MΩ (ideal for various pickups)
  • Power supply: 9V/18V (18V adds +6dB Headroom)
  • Current consumption: 2mA-9V / 2.5mA-18V
  • Dimensions: 28mm x 33mm x 15mm

Potentiometers / Switch: Set 4

  • Volume Neck/Bridge (Stack)
  • Middle
  • Treble/Bass (Stack)
  • Miniswitch 400/600/800Hz
  • Miniswitch Active/Passive
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❌ Sold Out!

This product is currently out of stock, but check back soon for availability.

Purchase options:
Purchase options:

The preamp is available in three different options, tailored to your needs.

1. Preamp with a full wiring diagram in PDF format.

2. Preamp with a complete set of potentiometers and switches, along with a detailed wiring diagram in PDF format.

3. Full preamp installation – a custom option including a project designed to offer the best solutions for your bass. A solder-free option is also available, featuring screw terminals that allow for easy installation without a soldering iron for pickups, the output jack, and the battery. Connection instructions and wiring diagram in PDF format are included.

Interested in purchasing the preamp? Feel free to contact us.