The Shure SM10A is a low-impedance, unidirectional dynamic microphone designed for close-talk head-worn applications such as remote-site sports broadcasting and corporate intercom systems. It is also ideal for singing drummers, keyboard artists, and other performers who need a head-worn vocal microphone with superior noise rejection and a smooth, natural-sounding frequency response. The SM10A is very lightweight and is typically mounted on the supplied steel headband assembly. An adjustable pivot on the headband assembly allows the microphone boom to be moved 20 degrees in any direction. The boom also slides out so the microphone can be positioned up to 89 mm (3 1/2 in.) from the pivot housing. A supplied windscreen reduces wind noise and explosive breath sounds.
Close-talk design provides excellent isolation and minimizes gain-before-feedback
Extremely rugged with fully adjustable headband and microphone boom
Unidirectional(cardioid) polar pattern for superior rejection of unwanted sound
A clip that fits over the XLR connector and attaches to the user's belt or waistband, providing cable strain relief
Microphone Type: Dynamic, close-talk
Frequency Response (at 8 mm [5/16 in.]): 50 to 15,000 Hz
Polar Pattern: Cardioid, uniform with frequency, symmetrical about axis
lmpedance: Rated at 150 ohms (223 ohms actual)
Open Circuit Voltage: -65.0 dBV/Pa* (0.45 mV): *1 Pa = 94 dB SPL
Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 of microphone connector.
Connector: Professional three-pin male XLR audio connector.
Cable: Non-detachable, 1.5 m (5 ft), two-conductor, shielded, plastic-jacketed
Case: Black thermoplastic microphone and pivot housing, anodized aluminum end caps, stainless steel grille, and boom
Net Weight: 78 grams (2.7 oz) less cable and connector
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