BBE Acoustimax Acoustic Preamp
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BBE Acoustimax Acoustic Preamp


In the years since BBE last offered its award-winning 386 acoustic preamp, BBE’s design and engineering teams studied the recording and sound reinforcement needs of serious acoustic players. The result is the all-analog Acoustimax, a stompbox-style acoustic preamp that raises the bar for amplified acoustic instrument sound quality.



  • Frequency response
    • 50Hz to 20kHz
  • Treble ±12dB @ 10kHz
  • Mid ±12dB @ 400kHz to 2.5kHz
  • Bass ±12dB @ 60kHz
  • Notch 0 to -12dB @ 70Hz to 250kHz
  • BBE
    • L o Contour: +15dB @ 50Hz
    • Process: +15dB @ 10kHz
  • Maximum output
    • +10dBu @ instrument jack
  • Noise
    • Instrument jack: -98dBv (unity gain)
    • L ine out: -88dBv (+10dB gain)
  • Total harmonic distortion (THD)
    • 0.05% @ 1kHz
  • Impedances
    • Input: 2.2M Ohm
    • T uner out: 2k Ohm
    • L ine out: 1k Ohm
    • Instrument out: 2k Ohm
    • XLR out: 600 Ohm (* 0dBu=0.775Vrms)
  • Power requirements
    • DC inlet +12 VAC min. 200ma
  • Three band, recording-console quality eq with a sweepable mid-range band
  • Low-frequency notch filter
  • Phase reversal
  • Ground lift
  • Line level out
  • Dedicated tuner out
  • TRS effects loop
  • Pre/post switchable-balanced DI output with pad
  • Hardwire bypass
  • Non-slip rubber bottom
  • 12v power supply included
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