3 Bands
ON-BOARD 9 OR 18 VOLT PREAMP!
The boost-only design of the OBP-1 gives you the benefits of active electronics tone shaping without losing the inherent sound of the instrument. The OBP-1’s all-discrete FET circuit offers up to 18 dB of boost at 40 Hz and 4 kHz, creating a high dynamic range, low noise sonic environment.
- All FET design
- Two boost bands
- Maximum boost: 18 dB at 40 Hz for bass and 4 kHz for treble
- Output impedance: 600 ohms
- Dimensions: 0.98" x 0.98" x 0.59"
- Warranty: three years
Available in the following kits:
OBP-1TK: Includes separate pots for treble and bass.
OBP-1SK: Includes a stacked Treble / Bass pot.
wiring diagram: http://www.aguilaramp.com/wp-content/uploads/wiring-diagram-obp-1.pdf
OBP-3:
Features:
Bass Control: +/- 18 dB @ 40 Hz.
Mid Control: +/- 16 dB @ 400Hz or 800 Hz.
Treble Control: +/- 16 dB @ 6.5 KHz.
Input Impedance: 1 MΩ.
Output Impedance: 100 Ω operating at 9 or 18 volts. Adds 6dB at 18 volts.
Battery Life: 324 hours.
Plus: Supplied with a mini-switch and a selector to change the mid frequency.
wiring diagram: http://www.aguilaramp.com/wp-content/uploads/wiring-diagram-obp-1.pdf
Specifications
Category: bass preamp Dimensions (mm): 25 x 25 x 15 mm EQ: 3-band Technology: Transistors Additional specs: Bass control: +/18 dB @ 40Hz Mid control: +/16 dB @ 400Hz or 800Hz (selectable) Treble control: +/16 dB @ 6.5KHz Input impedance: 1 meg ohm Output impedance: 100 ohm at 9 or 18 volts. Additional 6dB at 18 Volts Distortion: 0.19 dBm at 10k ohms Battery life: 324 hours Dimensions: 25 x 25 x 15 mm Combined bass & treble potentiometer and separate mid Mini-toggle switch for mid frequency selection
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