The AA22 Series PA driver and siren controller is a compact Dzus-mounted line driver for use with remote-mounted power amplifiers. The AA22- 492 is designated for use with the PA250/700 amplifiers. The unit can interface with a microphone via an AA9x/AMS4x series audio controller or using a carbon equivalent microphone. AA22 units are equipped with a radio audio input for radio rebroadcast operation. The siren can be adjusted for tone, rate, and level.
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规格：
Weight:
1 lb
Dimensions:
5.76 x 6.57 x 1.12 in.
Mounting:
Standard Dzus mounting (four fasteners)
Impedance:
1kΩ
Siren output:
450 mVrms @ 1 kHz into 600Ω ground referenced
Circuitry:
Single-ended
Temperature:
-20 to +55ºC (ambient)
Altitude:
25,000 ft max
Humidity:
95%
Shock:
12g (any axis)
特征：
AA22-492 Configuration:
Wail/Yelp swept siren
Mode select switch
PA/Radio monitor
500 mVrms nominal audio output into 600 Ohms
450 mVrms nominal siren output into 600 Ohms
Siren override at all times
70 mA nominal current consumption
Used with PA250 and PA700 series amplifiers
Can be selected as a radio with keyline serving as siren key
Features:
Volume control
Adjustable rate/tone
Compact and self-contained
AUX input for playback device
28VDC switched power output
