Sonifex AVN-TB20AD 20 Button Advanced Talkback Intercom
The SonifexAVN-TB20AD is a desktop version of the rack mounted AVN-TB20AR. The AVN-TB20ADis an advanced talkback, listening or paging intercom and AoIP that lets youcommunicate from one side of your facility to the other. OB truck to ControlRoom, stage communication, studio to studio the AVN-TB20AD covers you featuring20 illuminated key cap talk buttons and dedicated listen and page buttons withgroup talk facilities as well. A phone button allows remote dialing and controlof external telephone hybrids, a GPI/O button triggers external events and afront panel display provides source and destination information.
Key Features
- 20illuminated key-cap Talk buttons plus Listen & Page buttons
- Phone buttonfor remote dialling and control of an external telephone hybrid
- Page buttonand Group Talk facilities
- Callbackbutton with callback source display
- Three userdefinable buttons
- Speaker& microphone mute buttons
- Mic &headset inputs, headphone & speaker outputs
- Front panelvolume control which operates on speaker/headphone outputs and incoming sourcelevels
- +48V phantompower for the mic inputs
- Ethernetwebserver and front panel control & configuration
- Front paneldisplay providing source & destination information
- Sources fromAoIP, 1 x balanced, 2 x unbalanced or S/PDIF digital input.
- Destinationsto AoIP or rear panel balanced & unbalanced outputs
- Advancedecho cancellation & mic AGC to prevent acoustic feedback
- Dual 1Gb lanports & 1Gb SFP fibre port
- 10 userassignable GPIO ports
- GPIO buttonfor triggering external events, via physical GPIO or network commands
- Front panelLEDs for network audio presence, Talk activity, AGC activity, clock sync andpower supply activity
- Two frontpanel monitor buttons for routing audio directly to the speaker e.g. to take anIFB feed or off-air transmission signal
- Ducking ormixing of inputs to speaker/headphones
- Dual AC& DC power supply inputs
TechnicalSpecifications
Device Discovery
Bonjour(mDNS / DNS-SD) & SAP
Audio Delivery
RTP/UDP overIPv4 multicast
QoS
DiffServ
Stream Management
RTSP/SDP
Control
Ember+/webserver
Format
Linear PCM24-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
>2.5kbalanced
Gain Range
0dB to +60dB
0dBFS Line-Up
Adjustablein steps of 3dB from -58dBu to +2dBu
Frequency Response
20Hz to20kHz, +0/-0.2dB
Noise
-127dBu,20kHz BW, Rs=200ref. 76dB gain
Unbalanced Line Inputs
Input Impedance
>20k
0dBFS Line-Up
+12dBu
Frequency Response
20Hz to20kHz, +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
>20kbalanced
0dBFS Line-Up
Adjustable+15/+18/+20/+22/ +24dBu
Frequency Response
20Hz to20kHz, +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 150mWinto 32to 600headphones
0dBFS Line-Up
+20dBu
Frequency Response
20Hz to20kHz, +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 to20kHz, +0/-0.2dB
THD+N
<-95dBFS,-30dBFS, 20Hz to 20kHz, unity gain, 20kHz BW
Noise
-100dBFS,20kHz BW
Balanced Line Outputs
Output Impedance
<50balanced
0dBFS Line-Up
Adjustable+15/+18/+20/+22/ +24dBu
Frequency Response
20Hz to20kHz, +0/-0.2dB
THD+N
<-110dBFS,-30dBFS, 20Hz to 20kHz, 20kHz BW
Noise
-110dBFS, 20kHzBW, Rs=200
Connections
Microphone
XLR-3 pinfemale (electronically balanced)
Headphone
1/4 inch(6.35mm) stereo jack socket
Headset
1 x XLR-5pin female (front electronically balanced input)
Audio Inputs
2 xunbalanced stereo, RCA phono, 1 x S/PDIF, RCA phono
Audio Outputs
1 x balancedstereo, RJ45; 1 x unbalanced stereo, 2 x RCA phono; 1 x loudspeaker output
Audio Input/Output
1 x balancedstereo input or mono input/output, RJ45
GPIO
15-way’D’-type socket
Network
2 x gigabitEthernet, RJ45; 1 x SFP fibre
Mains AC Input
Universalfiltered IEC, continuously rated 85-264VAC, 47-63Hz, 20W
DC Input
4 pin 7.5Apower jack socket, 9.5-14VDC
Fuse Rating
Anti-surgefuse 2A 20mm x 5mm
Physical Characteristics
Dimensions W x D x H(Raw)
11.6 inch x6.5 inch x 3.3 inch
Weight Net
5.5lbs;Gross: 7.0lbs








