ACU6520, ACU6521

Digital Audio Control Unit

The ACU6520 and ACU6521 are advanced audio control units designed for flexible cockpit integration. The ACU6520 supports up to 14 transceivers, ideal for high-capacity setups, while the compact ACU6521 manages up to 10 transceivers, offering a cost-effective solution for space-limited installations. Both models feature mission-oriented HMIs, 3D audio access, and NVIS compatibility.

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The DVCS6500 ICS System can be controlled with a variety of HMI control panels. The Becker Avionics Audio Control Units (ACU) are remote audio control units, which were designed for rotary and fixed wing aircraft. Their comfortable control with rotary encoders and channel switches leads to an unsurpassed reliability and ease of use. Up to 4 Audio Control Units (ACU) can be connected per ARU. The DVCS6500 System can be scaled up to 3 ARUs supporting up to 12 independent ACU control units.

For installations with limited space the ACU6521 is a cost-effective solution to support multiple functions.

The ACUs have been certified according: ETSO C139a, ETSO C59b, DO 214A, DO 178C Level C, DO 254 Level C and DO 160G.

Features:

  • Mission-oriented Human Machine Interface (HMI)
  • Monitoring and individual volume control of up to 14 transceivers on ACU6520 or up to 10 transceivers on ACU6521
  • 2 voltage control inputs can be used as dimming inputs or for additional features
  • 2 control inputs for PTT or for additional features
  • 2 control outputs for status indication
  • 3D audio access
  • Simulcast, marker mute, VOX sensitivity, relay mode
  • Emergency functionality
  • Easy device change – configuration saved in main units
  • Up to 4 control units (ACU652X) can be connected to each ARU6510
  • Less weight
  • NVIS version available

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