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Aguilar OBP-1 Bass Preamp Custom Kits

The OBP-1’s boost-only design gives you the tone shaping benefits of active electronics without losing the inherent sound of the instrument. 

  • The OBP-1‚Äôs discrete, all-FET circuitry features up to 18dB of boost at 40Hz and 4kHz, creating a sonic environment high in dynamic headroom and low in noise.

    This kit includes:
     - Aguilar OBP module
     - Potentiometers and switches (if applicable)
     - Stereo Jack
     - 2 Battery Clips

    This kit does NOT include
     - Pickups
     - Knobs

    Black round switches included with configurations requiring switches.

    Pre-Wired OBP-1 Preamps are wired for 18V operation.
    Learn more about our Pre-Wiring Service here

    **Sorry international bassists, but US Dealers are not authorized to ship Aguilar OBP Custom Kits outside of the US.  Please contact us if you are having trouble finding Aguilar products in your home country.
  • Configurations Offered:

    1 Pickup - 2 Knob (VPP-T/B)
    Volume w/Active-Passive Push-Pull -- Treble/Bass Stack

    1 Pickup - 2 Knob, 1 Switch (V-T/B-APSW) 
    Volume -- Treble/Bass Stack -- Active-Passive Switch

    1 Pickup - 3 Knob (VPP-T-B)
    Volume w/Active-Passive Push-Pull -- Treble -- Bass

    2 Pickups - 3 Knob (VPP-BL-T/B)
    Volume w/Active-Passive Push-Pull -- Blend -- Treble/Bass Stack

    1 Pickup - 3 Knob, 1 Switch (V-T-B-APSW)
    Volume -- Treble -- Bass -- Active-Passive Switch

    2 Pickups - 3 Knob, 1 Switch (V-BL-T/B-APSW)
    Volume -- Blend -- Treble/Bass Stack -- Active-Passive Switch

    2 Pickups - 4 Knob (VPP-BL-T-B)
    Volume w/Active-Passive Push-Pull -- Blend -- Treble -- Bass

    2 Pickups - 4 Knob, 1 Switch (V-BL-T-B-APSW)
    Volume -- Blend -- Treble -- Bass -- Active-Passive Switch

  • All FET design

    Two bands of boost

    Maximum amount of boost: 18db, occuring at 40 Hz for the bass, and 4kHz for the treble

    Output impedance: 600 ohm

    Dimensions: 0.98W‚ÄĚ x 0.98L‚ÄĚ x 0.59D‚ÄĚ

    Warranty: Three year limited warranty


  • Below are impressions and anecdotal thoughts gathered over the years. Some are our own and some are from customers.
    • Great option if you want boost only¬†2 band from your preamp
    • "Reminded me of my Sadowsky Preamp"
    • 18Volts recommended to handle the headroom
    • "I can dial in a LOT of bass with this preamp"
    • Several customers prefer the lower frequency center of the treble control of this preamp (4kHz)