Telex 50-D Headphones User Manual


 
Page 9
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:
Element Type: Amplified noise-canceling electret
Frequency Response: 100 Hz - 3.5 kHz
Sensitivity:
-53 +2/-1 dB (ref: 1V/ 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: 8-16 Vdc (supplied by aircraft radio)
Cordage:
Straight Y-cord, 9 ft (2.74 m)
Connectors:
Microphone Plug: PJ-068 or equivalent
Receiver Plug: PJ-055 or equivalent
DC Jack: 2.5mm Dia. Pin +
2.5mm 3 conductor audio jack for connection to cell phone connection
3.5mm 3 conductor audio jack for connection to auxiliary audio
Weight:
Effective Head Weight: Approximately 18.5 oz. (524 g)
Color: Lt. Grey/Purple or
Lt. Grey/Black