Telex HD-3A دليل المستخدم

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HD-3A
Dual-Sided Headset with 21dB NRR, Flexible Dynamic Boom Mic, & A4F Connector
The HD-3A is a dual-sided monaural hearing protector type headset with noise-canceling dynamic micro-
phone. EPA rated NRR of 21 dB. The polyurethane earcups house 150Ω dynamic elements and feature an
easily adjustable headband. The 6’ cord is coiled for tangle-free use.
Wiring Diagram

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HD-3A Specifications Connector Termination XLR 4-pin Female coiled cord Type Dual Sided Monaural Mic Type Dynamic Noise-Canceling Mic Sensitivity -65dBV/Pa @1cm Mic Frequency Range 200Hz - 6kHz Mic Impedance 150Ω Speaker Sensitivity 95dB SPL @3kHz, 1mW Speaker Frequency Range 1kHz - 10kHz Speaker Impedance 150Ω Weight 17oz. (not including cord) Cord Length 1.75 ft. retracted, 9 ft. extended Contact Information Ordering Information Telex Communications, Inc. HD-3A 12000 Portland Avenue South Dual