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Grace Design BiX Acoustic Instrument Preamplifier, EQ and DI

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Single Channel Studio Quality Preamp / EQ / DI / Boost


Controls are dead simple - input gain, high and low shelving EQ, and a 10dB variable boost circuit, with footswitches for mute and boost. I/O includes the instrument input, separate send and return insert jacks, an unbalanced line output, and a balanced ISO DI output on XLR. For enhanced EQ control, rear panel DIP switches select between two different transition frequencies for both High and Low controls. And BiX is pedalboard friendly, with a 9VDC power input and a compact, rugged low-profile chassis.

Sonically, BiX is a carbon copy of its bigger siblings, with crystal clear, ultra-quiet audio performance. A better than 30VDC internal operating voltage provides for incredible headroom. The highs are smooth and open, and the lows are deep and rock solid. The dynamics and tone of the instrument come alive with clarity and realism, which translates to creating a deeper bond between you and your instrument.

Features

• Acoustic Instrument Preamp, EQ and DI
• Compact and rugged, easy to use pedal
• Mute and Boost footswitches (10dB variable Boost circuit)
• HIGH and LOW shelving EQ
• FX loop - individual send and return jacks
• Ultra-high quality transformer iso DI output
• Unbalanced line output for stage amps, personal monitors
• Standard 9VDC operation
• Over 30VDC internal operating voltage for huge headroom and dynamic range
• Pedalboard friendly design

Specifications

GAIN RANGE
Line Output: 0dB to +37dB
DI Output, Level: Line: -29dB to +8dB
Boost: 0dB to +12dB

THD+N 22HZ-22KHZ BW
1kHz @ 0dB gain +10dBu out: < 0.002%
1kHz @ 20dB gain +10dBu out: < 0.002%
1kHz @ 36dB gain +10dBu out: < 0.005%

INTERMODULATION DISTORTION SMTPE/DIN 4:1 50HZ, 7KHZ
@36dB gain +10dBu out: < 0.008%

FREQUENCY RESPONSE
Line output @ 20dB Gain -3dB: 10Hz 185kHz
DI Output @: 10Hz 40kHz

I/O IMPEDANCE
Instrument Input: 10MΩ / 1M Ω with TRS input cable, tip and ring shorted
Insert Input: 200kΩ
Insert Ouput: 150kΩ
Line Output: 150kΩ
DI Output: 150kΩ

SIGNAL / PEAK LED METER
Green Threshold: -13dBu
Red Threshold: +12dBu

MAXIMUM INPUT LEVEL
Instrument Input: +22dBu
Insert Return (0dB Boost): +22dBu

MAXIMUM OUTPUT LEVEL 100K OHM LOAD, 0.1% THD
Line Output: +22dBu
DI Output (Mic): -7dBu
Insert Output: +22dBu

EQ
Gain: +/-15dB
Low Frequency (Low Range): 100Hz
Low Frequency (High Range): 200Hz
High Frequency (Low Range): 2kHz
High Frequency (High Range): 4kHz

DYNAMIC RANGE 22HZ 22KHZ BW
Minimum Gain, Line Out: 129dB
Minimum Gain, DI Out: 129dB

OUTPUT NOISE 22HZ-22KHZ BW
Minimum Gain, Line Out: -107dBu
Minimum Gain, DI Out: < -120dBu
Maximum Gain, Line Out: -78dBu
Maximum Gain, DI Out: -106dBu

POWER
Connector: 2.1mm Center Negative
Nominal Input Voltage: 9VDC
Nominal Input Current: 150mA
Input Voltage Range: 6VDC 12VDC

WEIGHT AND DIMENSIONS
Weight: 1.2lbs (0.55kg)
Dimensions (H x W x D): 2.5″ x 5.1″ x 4.5″ (6.35cm x 13.0cm x 11.4cm)
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Grace Design BIX Acoustic Instrument Preamp / EQ / DI