Telex 50-D manual Specifications, Receivers, Microphone and Amplifier, Cordage, Connectors, Weight

Specifications

Receivers:

Type: Dynamic

Frequency Response: 50 Hz - 10 kHz

Sensitivity: 95 ± 5 dB SPL (1 kHz, 1 mW input)

Impedance (Max. Volume):

Stereo	300 ohms per side
Monaural	150 ohms

Headset Power: 4AA Batteries or Panel Power from 8-32 Vdc

Microphone and Amplifier:

Element Type: Noise-canceling electret

Frequency Response: 100 Hz - 3.5 kHz

Sensitivity: -53 +2/-1 dB (ref:1 V/ µbar at 1 kHz with 12 Vdc supply voltage and 470 ohm DC, 150 ohm AC load)

Matching Impedance: 50-600 ohms

Gain Adjustment Range: ± 5 dB (clockwise rotation increases gain)

Operating Voltage: (supplied by aircraft radio) 8-16 Vdc

Cordage:

Straight Y-cord, 9 ft (2.74 m)

Connectors:

Microphone Plug: PJ-068 or equivalent

Reciever Plug: PJ-055 or equivalent

DC Jack: 2.5mm Dia. Pin

Weight:

Effective Head Weight: Approximately 18.5 oz. (524 g)

Color: Lt. Grey/Purple

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