Sonifex AVN-TB20AD 20 Button Advanced Talkback Intercom

The Sonifex AVN-TB20AD is a desktop version of the rack mounted AVN-TB20AR. The AVN-TB20AD is an advanced talkback, listening or paging intercom and AoIP that lets you communicate from one side of your facility to the other. OB truck to Control Room, stage communication, studio to studio the AVN-TB20AD covers you featuring 20 illuminated key cap talk buttons and dedicated listen and page buttons with group talk facilities as well. A phone button allows remote dialing and control of external telephone hybrids, a GPI/O button triggers external events and a front panel display provides source and destination information.

Key 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

Technical 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 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 ref. 76dB gain
Unbalanced Line Inputs
Input Impedance
>20k
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
Crosstalk
<-97dB
Balanced Line Inputs
Input Impedance
>20k 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
Crosstalk
<-100dB
Common Mode Rejection
>70dB @ 1kHz
Headphone Output
Output Impedance
Drives 150mW into 32 to 600 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
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 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
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 Net
5.5lbs; Gross: 7.0lbs