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Goldline MX4310
4-Channel Microphone Multiplexer (with 3 Mics)

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List Price: $1,500.00
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Goldline MX4310

The MX4 allows the user to enable single channels or any combination of channels, allowing for comparison of individual microphone locations versus the spatially averaged data from multiple microphone tests. Each of the four channels has a gain control to allow the user to match the input level from different locations.

The multiplexer can be used with all Gold Line 1/3 octave Real Time Analyzers and with most other popular models. The MX4 comes with three Model TEF04 instrument microphones.

Features:

  • Expands the capability of single channel real-time analyzers
  • Averages up to four microphone positions
  • Allows spatial averaging
  • Analyzes overall response

Specifications:

  • Inputs: Channels: 4
    Max. level: Mic. 117dBSPL
    Typical input impedance: 1.2k ohms
    Noise floor: 35dB SPL
    CMRR:60Hz - 1kHz: 70dB / 20Hz - 20kHz: 65dB
    Phantom power: each microphone input, 12Vdc, 1.2k ohm x 2
  • Outputs: Channels: 1 (Active Balanced)
    Maximum Level:+10dBu
    Output Impedance: 180 ohms
  • Connectors: XLR, 3 pin plug, Pin 1 Shield, Pin 2 (+), Pin 3 (-)
  • Maximum Gain: Microphone input: 7dB
    Adjustment range per channel: ±7dB
  • Frequency Response: 20Hz - 20kHz ±1dB
  • Noise, 20Hz to 20kHz, Typical: Output noise all inputs off; -85dBu
  • Crosstalk, Typical: Adjacent inputs/outputs @ 1kHz; -88dB
  • Microphones: 3 Gold Line TEF04 omnidirectional electret condenser microphones
  • Power Requirements: 12Vdc @ 500mA; UL approved battery eliminator supplied.
  • Size (W x H x D): 7-7/8" x 2-5/8" x 7"
  • Weight: 2 lbs.
  • Case Material: High Impact ABS

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