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Loudspeaker Controller with Stereo Balanced I/O


The Bag End INFRA-MXB system module, a 2-channel loudspeaker controller designed for stereo 2-way operation, includes a mono sum INFRA low frequency output.
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The Bag End INFRA-MXB system module, a 2-channel loudspeaker controller designed for stereo 2-way operation, includes a mono sum INFRA low frequency output. It employs the INFRA dual integrator, frequency dividing, and system protection in an easily operated configuration where system parameters are internally preset or available on its rotary front panel controls.

Applications Include:

  • Recording Studios
  • Film Post Production
  • Video Editing Suites
  • Mastering Labs
  • Theatrical Production
  • Cinema Reproduction
  • Home Theater Systems
  • Stadiums and Arenas
  • Concert Sound Reinforcement
  • Musical Instrument Systems

Bag End INFRA-MXB Features:

  • 18Hz INFRA dual integrator
  • CVR hi pass limiting
  • INFRA Dynamic Filter
  • Balanced inputs
  • Internal frequency modifications
  • Convenient front panel controls
  • 2-way stereo or 3-way mono mode
  • Use INFRA output with INFRA Loudspeakers only

Bag End INFRA-MXB Specifications:

  • Input Connectors: XLR female
  • Input Configuration: Balanced
  • Alternate Input Configuration: Unbalanced
  • Maximum Input Signal: 4.5V (+16 dBu)
  • Output Connectors: XLR male
  • Output Configuration: Unbalanced
  • Maximum Output Signal: 4.5V (+16 dBm)
  • Nominal Output Impedance: 50 ohms
  • Power-on Indication: Green LED
  • Operating Input Voltage: 12-15 VDC
  • Operating Current Required: 200 mA
  • Input Voltage Connector: Miniature DC 2.5 mm
  • Input Voltage Polarity: Center pin +
  • INFRA Specifications:
    • Maximum INFRA Gain: 10 dB
    • Maximum INFRA Attenuation: 10 dB
    • INFRA Cutoff Frequency Programming: Plug in resistors
    • INFRA Cutoff Frequency: 8 Hz - 40 Hz, factory set to 18 Hz
    • INFRA Output Mode: Sum in Stereo Mode
    • Nominal Dynamic Filter Threshold: 0 dBu Output
    • Minimum Dynamic Filter Threshold: -10 dBu Output
    • Maximum Dynamic Filter Threshold: +10 dBu Output
    • Maximum Dynamic Filter Reduction Capability at 18 Hz: 30 dB
    • Dynamic Filter Threshold Exceeded Indication: Red LED
    • INFRA Circuit Noise: <-90 dBu (20 Hz - 20 kHz)
    • INFRA Dynamic Range: >105 dB (20 Hz - 20 kHz) (bandwidth unweighted)
  • Hi Pass Specifications:
    • Maximum Hi Pass Gain: 10 dB
    • Maximum Hi Pass Attenuation: 10 dB
    • Hi Pass Filter Frequency Programming: Plug In Resistors
    • Factory Set Hi Pass Filter Frequency: -3 dB @ 130 Hz/-6 dB @ 97 Hz
    • Hi Pass Filter Frequency Range: 50 Hz - 200 Hz
    • Hi Pass Filter Slope: 12 dB/octave
    • Hi Pass Circuit Noise: <-85 dBu (20 Hz - 20 kHz)
    • Hi Pass Dynamic Range: >105 dB (20 Hz - 20 kHz) (bandwidth unweighted)
  • Physical Specfications:
    • Enclosure: Black powder coated steel
    • Enclosure Mounting: 1U EIA rack (1.75")
    • Dimensions (HxWxD): 75" x 19" x 5.25"
    • Weight: 5 lbs
    • Shipping Dimensions: 6" x 22" x 12"
    • Shipping Weight: 7 lbs

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