Microphone Model 709
Description
Model 709A is an omnidirectional dynamic microphone designed for use as a communications station microphone for Amateur Radio and other transmitting applications. The unit consists of a die-cast zinc shell with molded sliding PTT on/off switch, dynamic microphone element and detachable multi-wire connection cable. The element has a tailored frequency response from 30 Hz to 12 kHz designed for excellent transmit audio in SSB, AM, and FM modes.
