Omnidirectional voice communication microphone delivers optimum speech intelligibility for fixed station applications, like police and schools. Features include a switch-selected dual impedance output and locking press-to-talk switch.

Kenmerken

Kenmerken

  • Frequency response tailored for voice communications
  • Switch-selected dual impedance output
  • PTT switch that can be locked “On” for hands-free operation
  • Four conductor, shielded, bare-ended (no connector), straight cable
  • Adjustable height
  • Does not require DC power for operation

Description

The Shure Model 450 Series II is a high output dynamic microphone designed for paging and dispatching applications. This extremely rugged microphone features an omnidirectional pickup pattern and a frequency response tailored for optimum speech intelligibility. It also includes an impedance selection switch and a locking press-to-talk switch.

beschikbare versies

beschikbare versies

Specs

Specs

Technische specificaties

Gewicht:
737 g
frequentierespons:
Specifiek
Transducer Type:
Dynamisch
Karakteristiek:
Omnidirectioneel
Switchable low cut:
Geen
Demper:
Geen
Verwisselbare Capsule:
Geen
Headphone Output:
Geen
Frequency Response Curve Image:
Shure 450 Series II Voice Communication Microphone Frequency Response Curve Image

Verdere technische specificaties

Verdere specificaties:
Impedance (at 1,000 Hz) High Impedance: 40,000 Ω
Low Impedance: 210 Ω
Recommended Load Impedance High Impedance: 100,000 Ω
Low Impedance: 1,000 Ω
Output Level (at 1,000 Hz, Open Circuit Voltage) High Impedance –35.0 dBV/Pa (17.8 mV)
Low Impedance –57.0 dBV/Pa (1.4 mV)
Switches Locking Press-to-Talk Switch: Activates microphone circuit and an external relay or control circuit. The microphone circuit is normally shorted. Impedance Selection Switch: Double-pole, double-throw slide switch located in the base of the microphone.
Cable 2.1 m (7 ft.) four-conductor, two conductors shielded, non-detachable

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