AT – 120 B

Speech Trainer – AT – 120 B


MODEL – AT – 120
This system enables the children with Hearing Aids to move freely in the class and hear through their individual hearing aids, Telecoil position (T)

Technical Data

  • Amplifier : IC based output stage coupled with 2 transistor low-noise pre-amp-stage
  • Erq. Range :: 150 Hertz to 8 KHz
  • Gain Control :: continuously variable dB Attenuator Max. Volume 130 dB SPL.
  • Tone Control : 2 Tone per channel : Hi-Low (fixed)
  • Indicators : Separate indicators LED for each channel.
  • Switched : For ‘Mike’ and’ ‘Phone’(induction loop system)
  • Microphones : Electret – external.
  • Headphones : Dynamics, low impedance, adjustable head band and Circum aural ear cushion. Optional – High impedance Walkman type.
  • Supply Voltage : A.C. Mains with built in power supply/6v battery box is 1.5 x 4 External – R-20
  • Current Drain : 20mA, Quiescent.
  • Max. Power : 700mW. Per channel

For more information click to download PDF.

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