Shure : SM11
Description
The Shure SM Microphones Series
SM-11 is a miniature dynamic lavalier microphone designed for use in television broadcasting, sound reinforcement, certain radio and motion picture applications, and similar uses where a small, professional-quality microphone is required. The SM 11 has an omnidirectional pickup pattern, and its frequency response is optimized for lavalier use. The microphone is supplied with a tie clasp assembly, tie tack assembly, connector belt clip, and zippered carrying bag.
Features
→ 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 clothingSpecifications
| 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 |