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ARCHITECTS' SPECIFICATIONS
The microphone shall be a Shure Model SM10A or equivalent. The
microphone shall be a moving-coil (dynamic) type with a frequency
response of 50 to 15,000 Hz. The unit shall have a cardioid polar
characteristic. The cancellation at the rear shall be 15 to 20 dB.
The microphone shall be low impedance with a rated impedance
of 150 ohms for connection to microphone inputs rated at 19 to 300
ohms. The microphone output shall be -65.0 dB where 0 dB = 1 volt
per 10 microbars. The microphone shall be a head-worn type, and
shall be provided with a 1.5 m (5 ft), non-detachable, two-conduc-
tor, shielded cable with a professional, three-pin, audio connector
designed to mate with Cannon XL series, Switchcraft A3 (Q.G.) se-
ries or equivalent connectors. The microphone shall also be pro-
vided with a headband, connector belt clip, and foam windscreen.
The overall dimensions of the microphone shall be 203 mm (8 in.)
in length and 44.5 mm (1-3/4 in.) in maximum height (pivot hous-
ing). The microphone housing shall be 15.9 mm (5/8 in.) in diame-
ter and 14 mm (9/16 in). in height.
SUPPLIED ACCESSORIES AND REPLACEMENT PARTS
The following furnished accessories and replacement parts may be
ordered through your Authorized Shure Dealer or directly from
Shure Incorporated.
Connector Belt Clip. . . . . . . . . . . . . . . . . . . . . . . . . . . . RK200BC
Windscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RK184WS
Microphone Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .R93
Headband Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 90A3997
Retaining Clip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53A1801A