Cobham

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Cobham’s AA20/AA21 PA/Siren Controllers are compact, DZUS-mounted units for internal Passenger Address systems and external Public Address/Siren systems.

The AA2x series of Public Address / Siren Controllers are compact, Dzus-mounted units for internal passenger address systems and external public address / siren systems.  Model features can include remote and panel-mounted keying, front panel power switch and LED, and high/low level inputs.

 

The AA21 series controllers offer the flexibility of both internal and external PA and/or siren control.  A self-contained 35-watt amplifier provides excellent passenger address or ramp hailer capabilities.  Additional control lines are provided to interface with other Cobham PA amplifiers to create a high-output PA/siren.

Specification

Specification

AA20-431
Three-tone chime, mode select, PA/music, 30 W output into 8 ohm, 80 mW max. into 600 ohm, PA/Seatbelt/No Smoking keys-active low, message key-active high, supports up to eight headsets 

  1. Weight: 1.3 lb / 0.61 kg
  2. Dimensions: 5.75"W x 1.11"H x 6.83"L max (146.05mm x 28.19mm x 173.48mm)
  3. Power: 2.0 A / 28 Vdc
  4. RTCA DO-170 Class II DO-160C

 

AA21-400
Mode select, PA/music, 35 W max. output into 8 ohm. 6.5 Vrms max. into 600 ohm, PA key-active low.  PA110/PA220/PA250/PA700 outputs.  Radio input 2.5 Vrms into 1k ohm.  

  1. Weight: 1.4 lb / 0.64 kg
  2. Dimensions: 5.75"W x 1.11"H x 6.83"L max (146.05mm x 28.19mm x 173.48mm)
  3. Power: 2.3 A / 28 Vdc (internal amp); 0.4 A / 28 Vdc (external amp)
  4. RTCA DO-170 Class II DO-160D

 

AA21-403

Mode select, PA/music, 35 W max. output into 8 ohm. 6.5 Vrms max. into 600 ohm, PA key-active low.  PA110/PA220/PA250/PA700 outputs.  Radio input 2.5 Vrms into 1k ohm. 

  1. Weight: 1.4 lb / 0.64 kg
  2. Dimensions: 5.75"W x 1.11"H x 6.83"L max (146.05mm x 28.19mm x 173.48mm)
  3. Power: 2.3 A / 28 Vdc (internal amp); 0.4 A / 28 Vdc (external amp)
  4. RTCA DO-170 Class II DO-160D

 

AA21-405: NVIS A
AA21-403, AA21-407, AA21-408: NVIS B 

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