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RTS Telex
http://www.rtsintercoms.com
http://www.telex.com

PH-81

Single-Sided Headset with 20Ω Omnidirectional Carbon Mic

Features Specifications
  • Easy head size adjustment
  • Highly sensitive magnetic earphone elements
  • Mic can be worn on either side of the head
  • No-tangle unterminated coil cord
  • Omni directional carbon microphone
  • Polyurethane covers that resist cracking
  • Vents allow air to circulate providing day-long comfort
  • Washable nylon socks are provided for ear cups
Color Gray
Connector Options Stripped wire
Cord Flexibility Coiled
Cord Length 0.08" (2 mm)
Frequency Response 600 Hz - 10 kHz
Impedance 275 Ω
Microphone Frequency Response 100 Hz - 6 kHz
Microphone Impedance 20 Ω
Microphone Sensitivity -28 dBV/Pa
Microphone Type Carbon Omni-Directional
Sides Single-Sided
Speaker Sensitivity 100dB SPL/mW
Weight 12 oz (340.19 g)

Downloads

Expand Catalogs

RTS Intercom Catalog EMEA 4.8 MB | August 22, 2012
Language
ENG
Audiocom Intercom Catalog 20.21 MB | December 8, 2010
Language
ENG
RTS Headset Catalog EMEA 1.58 MB | August 23, 2012
Language
ENG
RTS Wireless Intercom EMEA 1.25 MB | August 22, 2012
Language
ENG

Expand Images

PH-81 Photo 673 KB | January 31, 2011

Expand Technical data sheets

PH-81 and PH-85 Technical Data Sheet 454 KB | February 3, 2011
Language
ENG
PH-81 Parts List and Wiring Diagrams 64 KB | February 3, 2011
Language
ENG

Expand Warranties

Repair Information Form 194 KB | April 2, 2012
Language
ENG

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