OBP-3
OBP-3

The OBP-3 is Aguilar's most flexible onboard preamp design, providing +/-18dB of cut and boost at 40Hz, +/- 16dB of cut and boost at either 400Hz or 800Hz and +/- 16dB of treble cut and boost at 6.5 kHz. The OBP-3 has multiple wiring options, and can be wired with either a push/pull pot, mini-toggle or internal dip-switch for midrange frequency selection.

Other Preamps
  • OBP-1
  • OBP-2
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Bass control: plus/minus 18 dB @ 40 Hz.

Mid control: plus/minus 16 dB @ 400Hz or 800 Hz. User selectable frequency center.

Treble control: plus/minus 16 dB @ 6.5 KHz.

Input impedance: 1 meg ohm

Output impedance: 100 ohm 9 or 18 volts operation. Additional 6dB with 18 volts.

Distortion: .019 into 10k ohm load

Noise: -95 dBm unweighted.

Battery life: 324 hours

Wire lead length: 6.50 inches

Low noise discrete FET input stage, center detent 50 K linear pots,with a dual concentric pot available.

Dimensions: 0.98"W x 0.98"L x 0.59"D

Warranty: Three year limited warranty.

Available in the following kits:

OBP-3TK: Includes separate Treble, Mid, and Bass pots, and black mini-toggle switch for Midrange frequency selection.

OBP-3TK/PP: Includes separate Treble, Mid, and Bass pots. Mid pot is push/pull for Midrange frequency selection.

OBP-3SK: Includes stacked Treble/Bass pot, Mid pot, and black mini-toggle switch for Midrange frequency selection.

OBP-3SK/PP: Includes stacked Treble/Bass pot and separate Mid pot. Mid pot is push/pull for Midrange frequency selection.

  • Bryant Siono

    "I own 30 basses and I have the OBP-3 in about 20 of them. That’s because the other ones are passive! LOL. Low end is big but not muddy. Mids are fat and not Nasally. The Treble is Perfect. Love this preamp!"

    Bryant Siono - Jennifer Lopez

  • Dave Boonshoft

    "Aguilar OBP preamps gives your bass a broad tone palate while keeping it's inherent tone."

    Dave Boonshoft, President - Aguilar Amplification

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