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Portable Mic to Line Driver with Phantom Power and Headphone Amp
  • Portable Mic to Line Driver with Phantom Power and Headphone Amp
  • Portable Mic to Line Driver with Phantom Power and Headphone Amp
 
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Portable Mic to Line Driver with Phantom Power and Headphone Amp

Manufacturer: Whirlwind

Item #: WH-MD1   •   MFG #: MD-1

 
 

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The industry's standard for parabolic, boom, and interview mic situations, the MD-1 is the ideal mic preamp for those who demand studio quality in a rugged, battery operated package.

Combines a high quality mic/line input stage with a transformer isolated line driver and independent headphone amplifier. Ideal for boom, parabolic and interview mics, the MD-1 provides phantom power, local monitoring and a line-level balanced output for noise immunity over long cable runs. Housed in a rugged steel chassis equipped with a belt clip and powered by two 9-Volt batteries (changing batteries does not require opening the case). Input stage has a level control with a 40dB range and a MIC/LINE input level switch, plus switchable 18V phantom power for condenser mics. Its output can be switch selected between stage and a straight loop-through. The headphone volume control provides 60dB range of adjustment to post-transformer input signal or to signals inserted at the headphone Line-In jack.

Ideally suited for general purpose audio signal testing and amplifier tool for the broadcast equipment box.

 
  • Features

    • A separate balanced line level Aux input to the headphone amp for monitoring a program mix, a console foldback or a director's cues
    • Headphone volume control and a separate MIX control allow you to adjust the headphone balance between the mic driver section and Aux input
    • Built-in 18V phantom power (switchable)
    • Steel case with belt clip resists abuse
    • Two alkaline 9V batteries are mounted in slide out trays for easy access
     
  • Specifications

    • Input Impedance Mic Mode: 1.5k Ohms
    • Input Impedance Line Mode: 10k Ohms
    • Output Impedance: 600 Ohms
    • Max Input Signal Mic Mode: -4dBm
    • Max Input Signal Line Mode: +12dBm
    • Frequency Response: ±3dBm 6Hz-25kHz
    • Frequency Response: -2dBm @ 20Hz
    • Frequency Response: -1dBm @ 20kHz
    • Maximum Output Level: +15dB into 2k Ohms
    • Maximum Output Level: +26dB into 10k Ohms
    • Maximum Output Level: +34dB into 100k Ohms
    • Phantom Power: +18VDC
    • Power Requirements: (2) 9V alkaline batteries