ACOU 908
Mixer audio

Mixer audio broadcast

A modern and compact design

A modern and compact design, in line with the latest design trends, together with a careful ergonomic study and make it the new reference point in the sector, with an incomparable versatility, it can be used easily even in outdoor operation ACUO 908, with eight channels with dual selectable input, balanced microphone and line inputs, digital AES / EBU inputs and outputs, two integrated telephone hybrids, two internal sound cards with USB connection, make it a perfect and complete On Air console for broadcasters radio.

General features

  • Balanced inputs and outputs
  • Eight channels with double input
  • Selection of A / B control for each input channel
  • 100 mm ALPS sliders, with digital VCA control
  • Four balanced microphone inputs on XLR connectors and with phantom power that can be activated
  • Eight balanced stereo line inputs with RJ-45 connectors
  • Two digital AES / EBU inputs
  • Three-band digital equalization on all inputs
  • Two integrated telephone hybrids with parametric equalizer
  • Meeting function on telephone hybrids
  • Monitoring CUE bus
  • Three independent balanced stereo outputs (PGM, UTL, AUX)
  • Two independent professional AES / EBU digital outputs (PGM, UTL)
  • Stereo audio outputs, Control Room and Control Studio, with monitor mode selection
  • Changeable Control Room output
  • Balanced stereo input for EXT service
  • Two integrated sound cards with USB interface for extremely simple and versatile operation and audio interconnection
  • Logic port for opto coupled OnAir commands
  • Fully shielded buses
  • Large 4.3 ”digital graphic display, with monitor function and control of all functions; digital stereo led meters: PGM & CUE
  • Extremely slim and elegant chassis, for simple and practical positioning


Input configuration: Electronically balanced
Input Impedance: 200 Ω
Sensitivity Level Range: Adjustable from –70 ÷-40 dBu (Trimmer adj.)
Input Level Range: ±12 dBu (Digital adj. step 0,5 dB)
Maximum Input Level: – 30 dBu
Phantom Supply: 42 Vdc selectable, with 3k3 c.c. protection
Fader 100 mm: VCA Digital controlled
Connector: XLR Female

Input configuration: Electronically balanced
Input Impedance: 10 KΩ (600 Ω wired selectable)
Input Level Range: ±12 dBu (Digital adj. step 0,5 dB)
Headroom: + 18 dBu
100 mm Fader control: VCA Digital controlled
Connector: RJ-45

Input configuration: AES/EBU, IEC958,S/PDIF & EIAJ CP340/1201
Sample Rate: Automatic 32, 44.1, 48, 96 KHz converter
100 mm Fader control: VCA Digital controlled
Connector: RJ-45

Input configuration: Opto-coupled
Input impedance: 600 Ω Bal
Line Compensation: Automatically (max 5 Km)
Tx Level: 0 or + 3 dBu selectable
Rx Level Range: ±12 dBu (Digital adj. step 0,5 dB)
Frequency response: 300 Hz ÷ 3400 Hz (-2 dB)
300 Hz ÷ 3400 Hz (-1.5 dB)
Distortion: < 1.5 %
Noise: -60 dB.

Output configuration: Electronically balanced
Output Impedance: 100 Ω
PGM/UTL Output Level Range: -2 ÷ +13 dBu
Connector: XLR male
AUX Output Level Range: 0 dBu fixed
Connector: RJ-45
C Room Mut.Output Lev.: – 2÷ +12 dBu
Connector: RJ-45

Output configuration: AES EBU, IEC958,S/PDIF & EIAJ CP340/1201
Sample Rate: Automatic 32, 44.1, 48, 96 KHz converter
Connector: RJ-45

Configuration Type: Stereo unbalanced (C.Room no Muted)
Output Impedance: 50 Ω
Connector: JACK 6,3 mm

Configuration: Optic solid state relay
Max Voltage: 50 Vdc/ac
Max Current: 100 mA
Connector: DSUB 15 pole female

USB 2.0 interface

Dimensions: 440 x 360 x 40 mm ( L x P x H )

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  • HOT PLUG-IN POWER SUPPLY for Instant replacement of the power supplies, easy maintenance, without off-air. The power supply plug-in modules can be safely removed from the front panel without interrupting the transmission.
  • SMP: Superior Modular Philosophy
  • MODULARITY with very light amplifier modules (less than 17kg/34lbs each)
  • Maximum Redundancy
  • Ultra compact size 2U for each amplifier module
  • DIRECT INTERNET CONNECTION: all the WIRED Line components have direct connection to internet without the help of any external box or accessories.
  • LOWEST LOST OF POWER OF THE MARKET IN CASE OF FAILURE OF ONE MODULE: Due to combination of 2kW amplifier modules, extremely low output power loss in case of failure.
  • TOTALLY MADE IN ALLUINUM: for minimum weight and robustness.
  • AIR PROTECTION: all the internal components are designed to avoid the direct contact with the air, mainly the air coming in from the fans, this avoid all the failures produced by the air corrosion.
  • MIRROR Network Mirror System:
  • TOUCH SCREEN BRAIN CONTROL UNIT: The control unit have the specific function to supervise the transmitter, even in case of failure of it (or turned off) manual control of the transmitter guarantee perfect operation.
  • Web control
  • Extremely detailed web control with all main parameters fully controllable and adjustable, available.
  • Weekly scheduler output power for energy consumption optimization management.
  • E-mails configuration available sent for any event.
  • Remotely upgradable