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 OR mini-toggle for midrange frequency selection.

This kit includes separate Treble, Mid, and Bass pots. Mid pot is push/pull for Midrange frequency selection.

• 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