LOOPWORKS - Receiver R1 - please sign up to loopworks.ampetronic.co to gain all the benefits.

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The R1 Receiver is a high quality audio induction loop receiver with a vertically mounted pick up coil designed to be used in conjunction with the Loopworks Measure iOS App. The Loopworks Measure App and R1 Receiver together become the most accurate, dedicated field strength meter (FSM) available.

Ampetronic customers can now download their Measure App FREE from iTunes store and order their Loopworks Measure R1 Receiver field strength meter. Please note that the Loopworks Measure iOS App is currently only available through iTunes store and will only run on an iOS device; that is an iPhone, iPod Touch or an iPad device running iOS 8 or higher. 


  • Calibration performed using uP device, which is not operational during measurement
  • Frequency response (±0.25 dB 50Hz to 8kHz), app brick wall filter beyond 10kHz
  • RMS detection with 125ms (F) integration time constant provided by host device and App
  • Power supply dependent on operation mode: either energy harvested host device audio output or derived from host device mic bias
  • Assessment of any system to IEC60118-4:2015
  • 1 year warranty.


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