Telex PH-81 User's Manual
Contents
1. TECE INFERCOM HEADSETS A t amp PH 81 PH 85 Headsets with 200 Omnidirectional Carbon Mics amp A4F Connectors These headsets are specifically designed to provide high quality communication through carbon camera intercoms in television studios or remote production locations They have sensitive carbon microphones with a smooth voice frequency range and are compatible with Western Electric type intercom circuits The earphones have highly sensitive magnetic receivers that can be easily removed and replaced in the field for convenience and economy A high quality coil cord with durable strain relief at the ear cup provides tangle free use 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 Wiring Diagram Connection Wire color at Connection Wire color at in headset cord termination in headset cord termination R SPK GRN L SPK GRN L SPK BLK SPK ___ WHT R SPK WHT es E RED MIC RED MIC __L _ SHIELD MIC T l SHIELD L SPK PH 81 PH 85 PH 81 amp PH 85 Specifications Connector Termination Stripped wire coiled cord Type PH 81 Single Sided PH 85 Dual Sided Mic2. Type Carbon Omni Directional Mic Sensitivity 28dBV Pa 1cm 8V through 4700 bias 1500 AC load Mic Frequency Range 100Hz 6kHz Mic Impedance 200 Speaker Sensitivity 100dB SPL 2kHz 1mW Speaker Frequency Range 600HZ 10kKHz Speaker Impedance PH 81 2750 PH 85 2750 boom side 6250 non boom side Weight PH 81 120z not including cord PH 85 140z not including cord Cord Length 2 ft retracted 12 ft extended Ordering Information PH 81 IST Se nrormation Single Sided Headset with 200 Omnidirectional eiex COMMUNICATIONS INC Carbon Mic 12000 Portland Avenue South E Burnsville Minnesota 55337 ae Number 64438 004 aac Bua aen Headset with 20Q Omnidirectional Carbon Form Number LIT000205000 Rev A Catalog Number 64437 005 This specifications information is preliminary and is subject to change without notification Date December 2007 Brand names mentioned are the property of their respective companies
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