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Frequency and Sensitivity| frequency response | 60 to 11, 000 Hz |
|---|---|
| sensitivity low | -57.5 dB (1.3 mV) |
| sensitivity high | -38.5 dB (12 mV) |
Impedance and Switches| impedance | 150 ohms (260 ohms actual) |
|---|---|
| impedance selection switch | high or low impedance |
| press-to-talk switch | lockable |
Weight and Dimensions| cable length | 2.1 m (7 ft) |
|---|---|
| net weight | 736 grams (1 lb 10 oz) |
| shipping weight | 1020 grams (2 lb 4 oz) |
Detailed description of the Model 522 dynamic base-station microphone for radio communications, paging, and dispatching systems.
Highlights the dual impedance, impedance switch, finger-tip control bar, long-life switch, and durable construction of the microphone.
Instructions on how to use the press-to-talk bar switch, including locking and unlocking actions.
Guidance on using the impedance switch for high (HI) or low (LO) impedance settings and recommended transformers.
Information on using the RED and BLACK leads for controlling external relays or switching circuits.
Details on unbalanced high-impedance and balanced low-impedance operation, including cable-to-connector wiring.
Technical specifications including type, frequency response, polar pattern, output impedance, and sensitivity.
Further specifications including cartridge shock mount, cable length, housing material, and weight.
Graphical representations of the typical polar patterns and frequency response of the microphone.
Diagrams showing the overall dimensions and key measurements of the microphone.
Lists available accessories and replacement parts, such as cables and switches.
Details on CE marking, essential requirements, and contact information for the authorized European representative.
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