Grace Design BiX Acoustic Instrument Preamplifier, EQ and DI

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SKU: # 703964
Model: #


Your Price: $520.00 CDN


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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.


• 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


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

1kHz @ 0dB gain +10dBu out: < 0.002%
1kHz @ 20dB gain +10dBu out: < 0.002%
1kHz @ 36dB gain +10dBu out: < 0.005%

@36dB gain +10dBu out: < 0.008%

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

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

Green Threshold: -13dBu
Red Threshold: +12dBu

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

Line Output: +22dBu
DI Output (Mic): -7dBu
Insert Output: +22dBu

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

Minimum Gain, Line Out: 129dB
Minimum Gain, DI Out: 129dB

Minimum Gain, Line Out: -107dBu
Minimum Gain, DI Out: < -120dBu
Maximum Gain, Line Out: -78dBu
Maximum Gain, DI Out: -106dBu

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

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

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Protect your investment with the Long & McQuade Performance Warranty

A warranty can be a very important factor when making a buying decision. Because repairs can be very expensive in terms of parts and labour costs, manufacturers usually only provide one year limited warranties that generally only cover items that malfunction due to a manufacturer’s defect. With an important purchase such as a musical
instrument or piece of studio gear, however, many people want to have the peace of mind in knowing that their investment will be protected should the product no longer be performing at 100%.

Because of this, Long & McQuade provides our customers with a FREE one-year Performance Warranty on most of our products. The Long & McQuade Performance Warranty supplements the manufacturer’s warranty to ensure that our customers receive complete “no hassle” warranty coverage within their first year.

How does the Long & McQuade Performance Warranty differ from most manufacturers' warranties?
  • Performance Guarantee: Normal wear and tear is covered, so your product will be performing as well as the day you purchased it for the entire duration of the coverage. Band and Orchestral Performance Warranty does not include replacing pads or cleaning for woodwind instruments, unless deemed necessary by our repair staff. Ultrasonic cleaning for brass instruments will be provided if deemed necessary by our repair staff, but is not routinely offered under the Performance Warranty.
  • Product Replacement: If your product cannot be fixed or costs too much to fix, we will replace it with the equivalent model for no additional charge. If this is not possible, a full refund will be provided.
  • No Lemon Policy: Your product will be replaced should the same problem occur multiple times.
  • Convenient: Easy drop off and pick up of the product at any Long & McQuade location.
  • Guitar Setup: Guitars purchased at Long & McQuade come with 1 free setup, to be redeemed within 1 year for new guitars and 90 days for used guitars.
  • Loaners Available: A loaner product may be given while the product is being repaired.
  • Power Surge Protection: Your product is covered even if damaged from a power surge.
  • Accessory Coverage: Any peripheral devices or accessories that come with your product (i.e. foot pedal, case) are also covered.
  • Commercial Use Coverage: Music and recording professionals who purchase gear for “heavy-use” commercial purposes will still be covered.

Long & McQuade reserves the right to restrict the purchase of additional years of Performance Warranty. Used products come with a 3-month Long & McQuade Performance Warranty. Some products (i.e. computers, software, cymbals and other items) are covered only by the manufacturer‘s warranty. Consumables (i.e. strings, reeds, drum sticks, batteries, tubes, cross faders) are excluded as they are designed to be replaced. Cosmetic Damage, Accidental Damage, or problems caused by Humidity or Temperature Issues are not covered. Speakers damaged by overpowering are generally not covered. Our coverage does not provide compensation for loss of use. As of June 2018 the Performance Warranty is no longer transferable. The warranty is only valid in Canada.

Purchasing additional years of coverage

Some manufacturers provide warranties for longer than 1 year; however, these are usually limited warranties that do not provide the same coverage as the Long & McQuade Performance Warranty. Customers interested in more complete and convenient (but not necessarily longer) coverage are still able to purchase additional years of the Performance Warranty.

If you are interested in receiving this coverage for longer than one year, you have the option of purchasing additional years of the Performance Warranty. The pricing is as follows:

  • NEW products: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year.
  • USED products: 4% of the current new selling price to increase the warranty from 3 months to 1 year. 4% for each additional year.
  • GUITARS: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year. $45 maximum. An additional free setup is not included with additional purchased years of Performance Warranty.
  • BAND and ORCHESTRAL instruments: 4% of the current new selling price to double the warranty from 1 year to 2 years. 4% for each additional year.