Shure SM11 Dynamic Lavalier Microphone

Shure SM11 Dynamic Lavalier Microphone

The Shure SM11 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 SM11 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 clothing

Specifications:

• 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)
• Case: Aluminum with gray enamel finish
• Dimensions: 33.5 mm (1 – 5/16 in.) in length and 14.7 mm (9/16 in.) in diameter