Auditory Trainers

Supply Voltage6V; 1.5x4 R20(large size) cells if on battery. 230V; 50Hz. A.C. mains with built in power supply.
Tone Control2 Tone per channel: Hi-Low (Fixed)
AmplifierIC-based output stage coupled with 2 transistor low-noise pre-amp-stage.
Freq. Range150 Hertz to 8 Khz.
Supply TypeSupplier
Preferred Buyer Location All over the world

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Supply Voltage6V; 1.5x4 R20(large size) cells if on battery. 230V; 50Hz. A.C. mains with built in power supply.
Gain ControlContinuously variable dB Attenuator Max. Volume 130 dB SPL.
HeadphonesDynamic, low impedance, Adjustable head-band and circumaural ear cushion.
Tone Control2 Tone per channel: Hi-Low (Fixed)
Freq. Range150 Hertz to 8 Khz.
IndicatorsSeparate indicators(VU Meters)
Current Drain20 mA, Quiescent.
AmplifierIC-based output stage coupled with 2 transistor low-noise pre-amp-stage.
SwitchesFor 'Mike' and phono(induction loop system). For battery check.
MicrophonesElectret-built in and external
Max. Power700 mW, per channel