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.
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.
Battery life: 324 hours.
Available in the following kits:
OBP-3SK/PP: Includes stacked Treble/Bass pot and separate Mid pot. Mid pot is push/pull for Midrange frequency selection.