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.

Features:

• Low noise discrete FET input stage, 
• Centre detent 50 K linear pots
• Dual concentric pot
• 324 hours of battery life
• Mid pot is push/pull for Midrange frequency selection

Specifications:

• Bass control: plus/minus 18 dB @ 40 Hz
• Mid control: plus/minus 16 dB @ 400Hz or 800 Hz. User-selectable frequency centre
• Treble control: plus/minus 16 dB @ 6.5 kHz
• Input impedance: 1 megohm
• Output impedance: 100 ohms 9 or 18 volts operation
• Distortion: .019 into 10k ohm load
• Noise: -95 dBm unweighted
• Wire lead length: 6.50 inches
• Includes: Seperate Treble, Mid and Bass pots
• Dimensions: 0.98″ (W) x 0.98″ (L) x 0.59″ (D)