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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
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