All FET design Two bands of boost Maximum amount of boost: 18db, occuring at 40 Hz for the bass, and 4kHz for the treble. Input impedance: 1 meg ohm Output impedance: 600 ohm 18 volt system. Runs on two 9-volt batteries. This allows for maximum headroom. Dimensions:1.35" x 0.50" x 2.2" Warranty:Ten year limited warranty. Price:$139
OBP-3 Specifications
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. 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:Ten year limited warranty. Retail Price:$179