Loop Amplifier by Ufixt

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Item Information

Active loop amplifier, in constant current technology with volume compressor for setting up an inductive sound reproduction system. The inductive transmission of audio signals allows users of hearing aids with a T-coil or inductive receivers, like e.g. the LR-200 to receive audio signals. The wireless transmission is an advantage of inductive sound reproduction systems which makes it possible for the user to move freely within the loop. Inductive sound reproduction systems are used for various applications, e.g. as a hearing aid for the hearing impaired in churches, theatres, cinemas, waiting rooms and lounges, as interpreting systems, for lectures in museums, exhibitions, etc. With inductive sound reproduction systems, an inductive loop made of a wire winding is laid on the floor, the wall or along the ceiling and is controlled by a constant current amplifier. Thus, a magnetic field is created within the loop which induces a voltage into the T-coil of the hearing aid or into the inductive receiver. In the receivers, this voltage is then converted again into an audio signal.
Packed Quantity
1 per pack
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Full Details

  • Volume compressor
  • Automatic talkover
  • Metal loss correction 0-(+3)dB/oct.
  • Phantom power can be switched on additionally
Loop current7APEAK
Loop resistance0.2-2Ω
Room sizeup to 200m2
  Mic/linemic 1.6mV/2.6kΩ, Combo, bal. switchable to line 630mV/6.5kΩ, Combo, bal. line 630mV/9kΩ, RCA, unbal. alarm: 2 screw terminals for connecting a switch
Outputs loop: 2 screw terminals
  Bass±8dB, 100Hz
  Treble±10dB, 10kHz 
Frequency range50-7,500Hz, ±3dB
Admiss. ambient temp.0-40 °C
Power supply230V˜/50Hz/150VA
Dimensions482x88x280mm, 2RS
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