Pro Co iRack
Portable Audio Player Interface Rack Panel

OUR PART #  IRACK

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The Pro Co iRack Portable Audio Player Interface is a device that allows simple and reliable connection of the stereo headphone output of audio devices such as MP3 players, Apple iPods, laptop computers and consumer-type CD and DVD players to the balanced microphone inputs of audio mixing consoles.

The iRack provides both a Stereo mini 1/8” (3.5mm) and left/right RCA phono inputs for easy connection with standard patch cables and a stereo/mono switch to provide passive input summing to a dual mono output feed where required. The inputs may be used simultaneously, if required.  If only a single source is used, the second set of inputs may be used to derive an unbalanced mono feed for recording purposes.

The outputs are isolated via audiophile-grade Pro Co MBT-1 Microphone Bridging Transformers and outputs appear on an easy-to-wire screw-type barrier strip (requiring no crimp terminals) for rapid installation. The transformers offer wide bandwidth and low distortion and phase shift, and are magnetically shielded in mu-metal cans and electrostatically isolated with dual Faraday shields. The result is near-ideal rejection of common-mode signals from all sources of RFI and EMI, including radio pickup, SCR dimmers and 60 Hz hum.

The GROUND LIFT switch allows correct grounding for either AC or battery-powered sources, eliminating hum and buzz from ground loops between portable and house equipment.

The iRack is built on a standard-sized single space rack panel constructed of 1/16” (1.59 mm) anodized aluminum. All functions are clearly identified by laser-engraved legends, providing an attractive and professional appearance in addition to trouble-free technical functionality.

Pro Co iRack Features:

  • Convenient connection point for MP3 players and laptop computers to house sound systems
  • Ideal for application in meeting rooms and churches
  • Transformer-isolated outputs to solve grounding problems
  • Stereo line inputs to stereo mic feeds
  • Barrier strip output connections for easy installation

Pro Co iRack Specifications:

  • Frequency Repsonse (Re: 1.0 kHz):
    • +0.2 dB @ 20 Hz
    • -0.6 dB @ 20 kHz
    • -0.4 dB @ 65 kHz
  • Total Harmonic Distortion:  < 0.1% 30 Hz - 20 kHz @ -15 dBv output
  • Voltage Loss (@ 1.0 kHz):  1.0 dB
  • Input Impedance:  150 kOhms
  • Secondary Source Impedance:  270 Ohms @ 1.0 kHz.
  • Insulation:  600 V winding/shield/winding

Pro Co iRack
Portable Audio Player Interface Rack Panel

OUR PART #  IRACK

Product Information:

The Pro Co iRack Portable Audio Player Interface is a device that allows simple and reliable connection of the stereo headphone output of audio devices such as MP3 players, Apple iPods, laptop computers and consumer-type CD and DVD players to the balanced microphone inputs of audio mixing consoles.

The iRack provides both a Stereo mini 1/8” (3.5mm) and left/right RCA phono inputs for easy connection with standard patch cables and a stereo/mono switch to provide passive input summing to a dual mono output feed where required. The inputs may be used simultaneously, if required.  If only a single source is used, the second set of inputs may be used to derive an unbalanced mono feed for recording purposes.

The outputs are isolated via audiophile-grade Pro Co MBT-1 Microphone Bridging Transformers and outputs appear on an easy-to-wire screw-type barrier strip (requiring no crimp terminals) for rapid installation. The transformers offer wide bandwidth and low distortion and phase shift, and are magnetically shielded in mu-metal cans and electrostatically isolated with dual Faraday shields. The result is near-ideal rejection of common-mode signals from all sources of RFI and EMI, including radio pickup, SCR dimmers and 60 Hz hum.

The GROUND LIFT switch allows correct grounding for either AC or battery-powered sources, eliminating hum and buzz from ground loops between portable and house equipment.

The iRack is built on a standard-sized single space rack panel constructed of 1/16” (1.59 mm) anodized aluminum. All functions are clearly identified by laser-engraved legends, providing an attractive and professional appearance in addition to trouble-free technical functionality.

Pro Co iRack Features:

  • Convenient connection point for MP3 players and laptop computers to house sound systems
  • Ideal for application in meeting rooms and churches
  • Transformer-isolated outputs to solve grounding problems
  • Stereo line inputs to stereo mic feeds
  • Barrier strip output connections for easy installation

Pro Co iRack Specifications:

  • Frequency Repsonse (Re: 1.0 kHz):
    • +0.2 dB @ 20 Hz
    • -0.6 dB @ 20 kHz
    • -0.4 dB @ 65 kHz
  • Total Harmonic Distortion:  < 0.1% 30 Hz - 20 kHz @ -15 dBv output
  • Voltage Loss (@ 1.0 kHz):  1.0 dB
  • Input Impedance:  150 kOhms
  • Secondary Source Impedance:  270 Ohms @ 1.0 kHz.
  • Insulation:  600 V winding/shield/winding
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