Sonifex AVN-TB20AD 20 Button Advanced Talkback Intercom - AoIP Desktop Portal

AVN-TB20AD - Overview

• Features:

  • 20 illuminated key-cap Talk buttons plus Listen & Page buttons
  • Phone button for remote dialling and control of an external telephone hybrid
  • Page button and Group Talk facilities
  • Callback button with callback source display
  • Three user definable buttons
  • Speaker & microphone mute buttons
  • Mic & headset inputs, headphone & speaker outputs
  • Front panel volume control which operates on speaker/headphone outputs and incoming source levels
  • +48V phantom power for the mic inputs
  • Ethernet webserver and front panel control & configuration
  • Front panel display providing source & destination information
  • Sources from AoIP, 1 x balanced, 2 x unbalanced or S/PDIF digital input.
  • Destinations to AoIP or rear panel balanced & unbalanced outputs
  • Advanced echo cancellation & mic AGC to prevent acoustic feedback
  • Dual 1Gb lan ports & 1Gb SFP fibre port
  • 10 user assignable GPIO ports
  • GPIO button for triggering external events, via physical GPIO or network commands
  • Front panel LEDs for network audio presence, Talk activity, AGC activity, clock sync and power supply activity
  • Two front panel monitor buttons for routing audio directly to the speaker e.g. to take an IFB feed or off-air transmission signal
  • Ducking or mixing of inputs to speaker/headphones
  • Dual AC & DC power supply inputs
   

• Specifications:

  • Device Discovery: Bonjour (mDNS / DNS-SD) & SAP
  • Audio Delivery: RTP/UDP over IPv4 multicast
  • QoS: DiffServ
  • Stream Management: RTSP/SDP
  • Control:\ Ember+/webserver
  • Format: Linear PCM 24-bit (L24)
  • Channels Per Stream: 2
  • Frames Per Packet: 48
  • Maximum Streams: RX 25, TX 5 (fixed)
  • Sample Rate: 48 kHz
    
    Microphone and Headset Input
  • Input Impedance: >2.5k Ω balanced
  • Gain Range: 0dB to +60dB
  • 0dBFS Line-Up: Adjustable in steps of 3dB from -58dBu to +2dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • Noise: -127dBu, 20kHz BW, Rs=200 Ω ref. 76dB gain
  • 
    
  • Unbalanced Line Inputs
  • Input Impedance: >20k Ω
  • 0dBFS Line-Up: +12dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • THD+N: <-97dBFS, -30dBFS, 20Hz to 20kHz, unity gain, 20kHz BW
  • Noise: -100dBFS, 20kHz BW, Rs=200 Ω
  • Crosstalk: <-97dB
  • 
    
  • Balanced Line Inputs
  • Input Impedance: >20k Ω balanced
  • 0dBFS Line-Up: Adjustable +15/+18/+20/+22/ +24dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • THD+N: <-110dBFS, -30dBFS, 20Hz to 20kHz, 20kHz BW
  • Noise: -110dBFS, 20kHz BW, Rs=200 Ω
  • Crosstalk: <-100dB
  • Common Mode Rejection: >70dB @ 1kHz
  • 
    
  • Headphone Output
  • Output Impedance: Drives 150mW into 32 Ω to 600 Ω headphones
  • 0dBFS Line-Up: +20dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • THD+N: <-108dBFS, -30dBFS, 20Hz to 20kHz, unity gain, 20kHz BW
  • Noise: -110dBFS, 20kHz BW
  • 
    
  • Unbalanced Line Outputs
  • Output Impedance: <50 Ω
  • 0dBFS Line-Up: +12dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • THD+N: <-95dBFS, -30dBFS, 20Hz to 20kHz, unity gain, 20kHz BW
  • Noise: -100dBFS, 20kHz BW
  • 
    
  • Balanced Line Outputs
  • Output Impedance: <50 Ω balanced
  • 0dBFS Line-Up: Adjustable +15/+18/+20/+22/ +24dBu
  • Frequency Response: 20Hz to 20kHz, +0/-0.2dB
  • THD+N: <-110dBFS, -30dBFS, 20Hz to 20kHz, 20kHz BW
  • Noise: -110dBFS, 20kHz BW, Rs=200 Ω
    
    Connections
  • Microphone: XLR-3 pin female (electronically balanced)
  • Headphone: 1/4 inch (6.35mm) stereo jack socket
  • Headset: 1 x XLR-5 pin female (front electronically balanced input)
  • Audio Inputs: 2 x unbalanced stereo, RCA phono, 1 x S/PDIF, RCA phono
  • Audio Outputs: 1 x balanced stereo, RJ45; 1 x unbalanced stereo, 2 x RCA phono; 1 x loudspeaker output
  • Audio Input/Output: 1 x balanced stereo input or mono input/output, RJ45
  • GPIO: 15-way 'D'-type socket
  • Network: 2 x gigabit Ethernet, RJ45; 1 x SFP fibre
  • Mains AC Input: Universal filtered IEC, continuously rated 85-264VAC, 47-63Hz, 20W
  • DC Input: 4 pin 7.5A power jack socket, 9.5-14VDC
  • Fuse Rating: Anti-surge fuse 2A 20mm x 5mm
    
    Physical Characteristics
  • Dimensions W x D x H(Raw): 11.6 inch x 6.5 inch x 3.3 inch
  • Weight Nett: 5.5lbs; Gross: 7.0lbs