DeCrane Aerospace Audio International’s PA-9075-301-x Serial Digital Cabin Audio Amplifier is a four-output Class-T amplifier that accepts stereo AES-3 digital audio, analog PA microphone and briefer audio, and can generate chime and ring tones.  Operational control is handled through DeCrane Aerospace Audio International’s proprietary RS-485 data bus and discrete inputs.

Each unit has 3 microphone inputs, mic bias outputs, analog cabin briefer audio input, discrete key inputs for microphones, briefer, and chime tones, a single digital audio input and single analog audio input, left and right low frequency (woofer) speaker outputs, left and right high (mid-tweet) frequency speaker outputs, and 2 mono speaker outputs that can be used to drive lavatory or galley speakers, PA audio analog and digital AES3 outputs, RS-485 data bus interface, and power/ground inputs.

The unit has six channels out @ 75 Watts/channel. Two channels are mid-high frequency stereo out, and two channels are low frequency stereo out. The remaining two channels are mono channels for FWD and AFT LAV speakers, which provide mono entertainment audio and PA audio to the LAV, with volume control of the entertainment audio. The PA-9075-301-x also incorporates an integrated tone control with an optional 10-band Equalizer.

     Audio International’s PA-9075-201-x serial digital cabin audio amplifier provides public address and chimes amplification as well as amplification of cabin entertainment audio.  Each unit has a single digital audio input, analog cabin briefer audio input, discrete key inputs, 2 low frequency (woofer) speaker outputs, 2 full range speaker outputs, PA audio output, RS-485 data bus interface, and power/ground inputs.  

The cabin audio amplifier has the ability to prioritize audio inputs in the following order:

      1.  Passenger address;
      2.  Briefer;
      3.  All other audio sources.

 Lower priority sources will mute in the presence of higher priority signals.

       The cabin audio amplifier is capable of providing passenger address audio in the event of a loss of normal aircraft electrical power, independent of the cabin management system.

     Audio International’s PA-9075-101-x serial digital cabin audio amplifier provides public address and chimes amplification as well as amplification of cabin entertainment audio.  Each unit has a single digital audio input, analog cabin briefer audio input, discrete key inputs, 4 full range speaker outputs, PA audio output, RS-485 data bus interface, and power/ground inputs. 

The cabin audio amplifier has the ability to prioritize audio inputs in the following order:

      1.  Passenger address;
      2.  Briefer;
      3.  All other audio sources.

 Lower priority sources will mute in the presence of higher priority signals.

       The cabin audio amplifier is capable of providing passenger address audio in the event of a loss of normal aircraft electrical power, independent of the cabin management system.

    Audio International’s PA-7501-01-x combines performance and advanced engineering to bring cabin audio entertainment to the next level!  This unique unit incorporates the very latest in amplifier technology to provide flawless amplification of cabin entertainment, public address, and chimes systems with no distortion or loss of the crystal-clear quality each passenger should enjoy.  No aircraft should be without!

    Each lightweight and durable unit has a single microphone audio input, cabin briefer audio input, and discrete key inputs with thoroughly-tested capability as well as 4 speaker and 2 subwoofer outputs, a PA audio output, and an RS-485 data bus interface, all of which makes the PA-7501-01-x the total package in amplifier technology.  LED indicators monitor ON/OFF status, transmit/ receive, and main/emergency power to ensure the functionality of the unit to the absolute greatest degree possible!  Additionally, all potentiometers are log style—not linear—to provide greater accuracy in volume adjustment, giving the user more control over cabin sounds than ever before.

   Most products increase in weight when acquiring new features, but thanks to Audio International’s drive to design the greatest possible products, the amazing PA-7501-01-x is actually almost three-quarters of a pound lighter than its predecessor, the PA-7500-01-x, and is one of the most lightweight PAs in the industry!

   The PA-7500A is a class ‘D’, 300 watt, dual stereo power amplifier that takes low audio signal and magnifies it.  This audio amplifier delivers high performance, excellent frequency response, and clear sound quality.  The unit has a small footprint and generates little heat yet produces dual output, high-powered, high fidelity sound.  
   The unit has four channel outputs, 75 watts peak output per channel.  A 135 Hz crossover is incorporated within the unit.  Provisions are included for PA audio override input.  The unit is designed to interface withy AI’s proprietary RS-485 serial data bus allowing the entertainment switch panels to communicate with the audio amplifier.

   The PA-3100-01-x is a 300 WRMS class AB 3-channel power amplifier for premium cabin audio systems.  It delivers high output, excellent frequency response, and clear sound quality.  
   The PA-3100-01-x produces 3 x 100 WRMS output power.  It can be configured for up to three full range speaker outputs or Surround Sound Applications.  It produces high fidelity audio output for the entertainment system.  The amplifier is designed to interface with Audio International’s proprietary RS-485 data bus.

The “-x” suffix designates the P1 mating connector style;                        “-1” = Positronic and “-2” = D-Subminiature (ITT cannon).

   The PA-480-01-x is a 4-channel audio amplifier composed of two separate amplifiers with two channels each.  It is a 200 WRMS class D operation stereo / subwoofer power amplifier for premium cabin audio systems and delivers high output, excellent frequency response, and clear sound quality.  
   The PA-480-01-x produces 4 x 75 W output power.  It can be configured for up to four full range speakers or two full range and two subwoofer outputs.  It produces high fidelity stereo audio output for the entertainment system and monaural audio output for PA/chime functions.  The amplifier is designed to interface with Audio International’s proprietary RS-485 data bus, allowing all entertainment switch panels to operate the amplifier. +18 to +32 Vdc Operating Range.

The “-x” suffix designates the type of connector utilized;                          “-1” = Positronic and “-2” = D-Subminiature.

   The PA-475-C is an audio amplifier that delivers high performance, excellent frequency response, and clear sound quality. Up to four midrange / tweeter and four subwoofers can be connected to the amplifier.  This unit will produce stereo audio output for the entertainment system and monaural audio for page / chime.  
   This amplifier is designed to interface with the proprietary RS-485 serial data bus allowing all entertainment switch panels to communicate with the audio amplifier.  The PA-475-C is a 4-channel, 50 WRMS peak output with 100 W, MAXIMUM, per channel. 

   The PA-475-B is an audio amplifier that delivers high performance, excellent frequency response, and clear sound quality. Up to four midrange / tweeter and four subwoofers can be connected to the amplifier.  This unit will produce stereo audio output for the entertainment system and monaural audio for page / chime.  
   This amplifier is designed to interface with the proprietary RS-485 serial data bus allowing all entertainment switch panels to communicate with the audio amplifier.  The PA-475-B is a 4-channel, 50 WRMS peak output with 100 W, MAXIMUM, per channel.

   The PA-475-A is an audio amplifier that delivers high performance, excellent frequency response, and clear sound quality. Up to four midrange / tweeter and four subwoofers can be connected to the amplifier.  This unit will produce stereo audio output for the entertainment system and monaural audio for page / chime.  
   This amplifier is designed to interface with the proprietary RS-485 serial data bus allowing all entertainment switch panels to communicate with the audio amplifier.  The PA-475-A is a 4-channel, 75 WRMS peak output with 150 W, MAXIMUM, per channel.