The SM11 has an omnidirectional pickup pattern, and its frequency response is optimized for lavalier use.
Acoustically matches most stand- or desk-mounted microphones
Small and lightweight for unobtrusive, virtually unseen operation
Smooth exterior and recessed grille screen minimize clothing noise
Rugged aluminum case construction
Extremely flexible long-life cable
Two mounting options -- tie clasp or tie tack
Convenient, secure belt clip attaches connector to belt or clothing
Microphone Type
Dynamic
Frequency Response
50 to 15,000 Hz
Polar Pattern
Omnidirectional
Impedance
Microphone rating impedance is 150 ohms (200 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms
Output Level (at 1,000 Hz)
Open Circuit Voltage; –64 dBV/Pa (0.60 mV)
(1 Pa = 94 dB SPL)
Polarity
Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Hum Pickup
35 dB equivalent SPL in a 1 millioersted field
Cable
Non-detachable, 1.2 m (48 in.), two-conductor, shielded, plastic-covered
Connector
Professional three-pin audio (XLR)
Net Weight
7.9 grams (0.28 oz), less cable and connector
