The OBP-1’s boost-only design gives you the tone-shaping benefits of active electronics without losing the inherent sound of the instrument. The OBP-1’s discrete, all-FET circuitry features up to 18dB of boost at 40Hz and 4kHz, creating a sonic environment high in dynamic headroom and low in noise.
Design: All FET / Two bands of boost & cut / 9 or 18 V
Pots: 1 stacked potentiometers included – treble and bass on a single stackpot
Bass control: plus/minus 18 dB @ 40 Hz.
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: 16.50 cm
Low noise discrete FET input stage, center detent 50 K linear pots,with a dual concentric pot available.
Dimensions: 2.49 cm (W) x2.49 cm (L) x 1.50 cm (D)