Description
The CAD Audio 651 Small Format Omnidirectional Dynamic Palmheld Microphone is a small-format squeeze-to-talk, dynamic microphone for critical communications applications. The 651 has a tailored frequency response providing clear transmission and maximum intelligibility of speech. The housing is built to withstand rough mechanical impact while the transducer resists atmospheric extremes. The 651 has a simple to operate DPDT long-life, trouble-free, leaf switch. It has a low-impedance output and is factory-wired normally open. The 651 may be rewired in the field if a line shorting function is desired. The Astatic 651 is an excellent choice for any application requiring a small-format palmheld microphone for discrete or tight-mounting spaces such as life-safety systems or paging stations where small size is required. The 651 is also suited to most public address and general, multiple-use, commercial paging applications such as factories, airports, lobbies, restaurants, warehouses, etc. The 651 offers low-impedance (600 ohms) output for long cable runs with minimal hum, a long-life DPDT leaf switch, and a permanently attached 6 ft (1.8 m) heavy-duty coiled cord with stripped and tinned ends making it ideal for tight-mounting spaces and high-reliability environments like factories, airports, warehouses, and more.
Product Specifications:
Operating Principle: Moving Coil Dynamic
Polar Pattern: Omnidirectional
Frequency Response: 500Hz – 8kHz
Sensitivity: -49dBV (3.6mV) @ 1Pa
Impedance: 600 ohms
Cable: 6ft (1.8m) extended, four-conductor, two-conductor shielded, coiled
Switch: DPDT momentary leaf
Case: Impact-resistant molded plastic
Net Weight: 4.9oz (139g)
Packaged Weight: 8.0oz (227g)
RF Immunity: Meets or exceeds EN55103-2, E1–E4
Compliance: RoHS
Included Accessories: Permanently attached cable
Applications: Commercial public address, paging, security, emergency, and life-safety communications
Shipping Dimensions (LxWxH): 7.0 x 4.0 x 3.0"
Shipping Weight: 0.6 lbs.
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