Sonifex AVN-TB6 6 Button Talkback Intercom

The AVN-TB6 is a 6 channel talkback intercom control unit from the Sonifex AVN range of IP based products. The AVN-TB6 is a freestanding version which can be rackmounted with the AVN-TB6RK-1U rack kit. There is also a desktop version, the AVN-TB6D which can be fitted flush into a work surface if required. Both models offers similar functionality.

Key Features

• 6 illuminated key-cap Talk buttons plus Listen & Page buttons
• Dual 1Gb Ethernet & 1Gb SFP port
• Mic & headset inputs, headphone & speaker outputs with volume control
• Loudspeaker & Mic Mute buttons
• Dual AC & DC power supply inputs
• Advanced echo cancellation & mic AGC to prevent acoustic feedback
• 10 user assignable GPIO ports
• Responsive design Ethernet webserver

Technical Specifications

Audio-Over-IP
Open Standards
RAVENNA, AES67
Device Discovery
Bonjour (mDNS / DNS-SD)
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
Transit Streams
1 (fixed)
Sample Rate
48 kHz
Ember+ Interface Connection
Interface Type
Provider
Network Interface
Ethernet port and AoIP port
Port
9000
Timing Synchronisation
Profile Support
Default, AES67 Media & Custom profiles
Timing Protocol
PTPv2, IEEE1588-2008
Microphone and Headset Input
Input Impedance
> 2.5kOHMS 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=200OHMS ref. 76dB gain
Headphone Output
Output Impedance
Drives 150mW into 32OHMS to 600OHMS 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
Loudspeaker
Power Output
4W
Volume
Mute to full volume via front panel control
Connections
Microphone
XLR-3 pin female (electronically balanced)
Headphone
inch (6.35mm) stereo jack socket
Headset
1 x XLR-5 pin female (electronically balanced input)
GPIO
15-way ‘D’-type socket
Network
2 x gigabit Ethernet, RJ45 1 x SFP
Mains AC Input
Universal filtered IEC, continuously rated 85-264VAC, 47-63Hz, 20W
DC Input
4 pin 7.5A power jack socket, 10-14VDC
Fuse Rating
Anti-surge fuse 2A 20mm x 5mm
Physical
Dimensions: (Raw
25.5cm (W) x 19.4cm (D) x 4.4cm (H) (1U)
10.1” (W) x 7.7” (D) x 1.8” (H) (1U)
Dimensions (Boxed)
33cm (W) x 26cm (D) x 17cm (H)
13” (W) x 10.3” (D) x 6.7” (H)
Weight
Nett: 2kg Gross: 3kg
Nett: 4.4lbs Gross: 6.6lbs