Specifications; Ordering Information - Telex Echelon 20 User Instructions

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SPECIFICATIONS

Receivers:
Type: Dynamic
Frequency Response: 100 Hz - 3.5 kHz
Sensitivity: 95 dB SPL minimum (1 kHz, 1 mW input)
Impedance (at 1 kHz): 150 ohms (receivers wired in parallel)
Microphone and Amplifier:
Element Type: Noise-canceling electret
Frequency Response: 100 Hz - 3.5 kHz
Sensitivity: -50 ±6 dB (ref:1 V/ µbar at 1 kHz with 12 Vdc supply voltage and 470-
ohm DC , 150ohm AC load).
Matching Impedance: 50-600 ohms
Gain Adjustment Range: ± 5 dB (clockwise rotation increases gain)
Operating Voltage (supplied by aircraft radio): 8-16 volts dc
Cordage:
Straight Y-cord, 5.5 ft (1.67 m)
Connectors:
PJ-068 equivalent plug for radio mic jack; PJ-055 equivalent plug for radio phone
jack
Weight:
Effective Head Weight: Approximately 14.2 oz. (403g)
Color: Medium Gray

ORDERING INFORMATION

Headset ................................................................ Catalog no. PRD000012000
Thin-skin foam ear cushions (set of two) ...................... Catalog no. 800456008
Gel-filled ear cushions (set of two) ................................ Catalog no. 800456009
Head pad ..................................................................... Catalog no. 800456004
Microphone cartridge .................................................... Catalog no. 800136100
Microphone windscreen ................................................ Catalog no. 800456000
Model PT-300 Portable Push-To-Talk Switch* ................ Catalog no. 63966000
Zipper Pouch ............................................................... Catalog no. 590061003
* For aircraft without a push-to-talk switch, a portable push-to-talk switch must
be used.
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