Telex PH-81の取扱説明書

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PH-81 PH-85
Headsets with 20Ω Omnidirectional Carbon Mics & 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 conv

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PH-81 & PH-85 Specifications Connector Termination Stripped wire coiled cord Type PH-81: Single Sided PH-85: Dual Sided Mic Type Carbon Omni-Directional Mic Sensitivity -28dBV/Pa @1cm, 8V through 470Ω bias, 150Ω AC load Mic Frequency Range 100Hz - 6kHz Mic Impedance 20Ω Speaker Sensitivity 100dB SPL @2kHz, 1mW Speaker Frequency Range 600Hz - 10kHz Speaker Impedance PH-81: 275Ω PH-85: 275Ω boom side, 625Ω non-boom side Weight PH-81: 12oz. (not including cord) PH-85: 14oz. (not including cord)