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View of Aguilar OBP-3 Bass Preamp Module
View of Aguilar OBP-3SK/PP Standard Preamp Kit for Bass Guitars
View of Aguilar OBP-3TK Standard Preamp for Bass Guitar Kit
View of Aguilar OBP-3TK/PP Standard Preamp for Bass Guitar Kit
View of Aguilar OBP-3SK Standard Preamp Kit for Bass Guitar

Aguilar

OBP-3TK

Aguilar OBP-3 Bass Preamp Standard Kits

$179.99 USD

wave form bullet iconCLEAR, CLEAN TONE

good bullet iconWELL LOVED MID FREQUENCY OPTIONS

hand protest bullet iconOFTEN VIEWED AS ONE OF THE MOST POWERFUL PREAMPS

empty box iconFREE SHIPPING IN THE USA
configuration iconEXPERT TECHNICAL SUPPORT
checklist iconIN STOCK MEANS IN STOCK

DESCRIPTION

The OBP-3 preamp provides +/-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 OR mini-toggle for midrange frequency selection.

Black round switches included with configurations requiring switches.

The OBP-3 Standard Kits include the preamp module and EQ pots (and switch when specified) only. To find a more complete kit, with the option to have it prewired, check out the OBP-3 Bass Preamp Custom Kits.

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

LAYOUTS & TECH

OBP-3TK Treble -- Mid w/Switch -- Bass

OBP-3TK/PP Treble -- Push-Pull Mid -- Bass

OBP-3SK Mid w/Switch -- Treble/Bass Stack

OBP-3SK/PP Push-Pull Mid -- Treble/Bass Stack

Aguilar's general OBP-3 wiring diagram

Preamp Specifications:

  • 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
  • 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


Customer Reviews

Based on 2 reviews
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R
Reimundo C.

Excellent product. Fast shipping.

K
Khary B.
Not hard to wire yourself if you're a DIYer..

I got this to replace a Markbass pre and to wire it somewhat similar to it; volume(active passive), balance, tone, bass, mids, and treble. Very easy to do, the diagram couldn't be any clearer or easier to follow. That being said, I want to start tipping y'all for whatever prewired kits I buy in the future from here. Thanks for the consistently good service and support!

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