Sonifex AVN-DIO12

The Sonifex AVN-DIO12 is a sophisticated audio interface designed for integrating dual microphone inputs into a Dante® Audio-over-IP (AoIP) network. It combines the functionality of two AVN-DIO09 units within a single chassis, ensuring high-quality A/D conversion with an exceptionally low Equivalent Input Noise (E.I.N.) of 129dB.

Key Features:

• Microphone Inputs:
  • 2 x balanced analogue XLR inputs with latch locks.
  • Input impedance of 2.2kΩ balanced.
  • Gain adjustable from 20dB to 86dB.
  • Maximum input level ranges from -68dBu (max gain) to -8dBu (min gain).
  • Frequency response: 20Hz to 20kHz, +0/-0.5dB (ref 1kHz).
  • Common Mode Rejection: >60dB @ 1kHz.
• High Pass Filter:
  • Toggle switch for on/off control.
  • Acts on frequencies below 125Hz at a roll-off of 6dB/octave.
• Phantom Power:
  • Toggle switch enables/disables a 48V DC supply for powering appropriate microphones.
  • LED indicator illuminates when phantom power is enabled.
• Audio Level LED Indicators:
  • Visual feedback for audio levels:
    • Off: Level is under -38dBFS (-20dBu).
    • Green: Level between -38dBFS (-20dBu) and -18dBFS (0dBu).
    • Amber: Level between -18dBFS (0dBu) and -10dBFS (+8dBu).
    • Red: Level above -10dBFS (+8dBu).
• Gain Adjustment:
  • Coarse gain settings via toggle switch (20dB/50dB).
  • Fine gain adjustable (0dB to 36dB) using a trimmer adjustment tool or small flat blade screwdriver.
• Dante Network Integration:
  • Uses the latest Audinate Dante chipset, compliant with AES67 and Dante Domain Manager.
  • 2 transmit channels.
  • Sample rates supported: 44.1kHz, 48kHz, 88.2kHz, 96kHz.
  • Encoding: PCM 16, PCM 24, PCM 32.
  • Connectivity: Neutrik etherCON for Ethernet connection, ensuring robust connection and power redundancy via PoE (Power over Ethernet).
• Power and Environmental:
  • PoE standard: 802.3af, Class 0.
  • PD power range: 0.44 W to 12.94 W, max PSE power usage 15.4 W.
  • Operating temperature range: 0°C to 40°C.
• Physical Specifications:
  • Dimensions (Raw): 14.0cm (W) x 13.6cm (D) x 4.2cm (H).
  • Dimensions (Boxed): 17.8cm (W) x 17cm (D) x 5.6cm (H).
  • Weight: Nett: 0.5kg, Gross: 0.7kg.
• Mounting Options:
  • AVN-DIOMT: Large Unit Underdesk Mount.
  • AVN-DIORK: 1U 19″ Rack Kit (supports 5 x Small DIO or 3 x Large DIO units).

Summary:

The SonifexAVN-DIO12 is an advanced, flexible, and highly reliable solution for integrating professional-grade microphone inputs into a Dante AoIP network. Its high-quality A/D conversion, extensive gain control options, phantom power capability, and robust network connectivity make it ideal for professional audio environments requiring precise and reliable audio input management.