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26 February 2024
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SONIFEX TALKBACK INTERCOMS

15 items

A range of analogue and digital intercoms aimed at broadcast applications, which will work together to form a talkback system, will integrate with many other existing systems. Free-standing and rack-mounting models are offered, with integrated speakers and microphone. Each has the capability to talk to other locations, monitor external inputs and has flexible configuration capability.

TALKBACK INTERCOMS - Analogue

Sonifex analogue talkback systems are used for general talkback between studios. The use DC signalling, also known as ground lifting or ground signalling, to communicate with each other. These units have been designed to be installed in locations throughout multiple studios and linked to one another, with each unit being able to talkback to up to 6 others.


TB-6R

Housed in a 2U rack-mounting case, TB-6R has been designed to allow communication with up to six other locations - seven locations in total. On the front panel there are six buttons for talkback selection and two for external inputs. A volume control adjusts the levels of both speaker and headphones. While a button is pressed, the button is illuminated and the talkback signal is active to that location. The buttons work with both a momentary and latched operation. If held down, the selection is cancelled when released, otherwise the button is alternate action. When talkback is incoming, the external inputs can be either muted or mixed with the incoming signal, depending on the setting of an internal jumper.

The signal sent to the other locations can be from the onboard electret microphone on the front panel or a separate external microphone signal. Incoming signals can be monitored using the front panel mounted loudspeaker, or headphones. When the headphones are used, the speaker is automatically muted, or, the monitor speaker can be muted via a remote contact. Two external sources may be monitored for example, for confidence monitoring, or for listening to a station feed. The front facing panel also has the loudspeaker grille and an XLR for the external microphone connection.

On the rear is an associated preset gain control, a switch to select microphone source, the 6.35mm stereo headphone socket, two stereo, balanced external inputs via a 9-pin D-sub connector which also carries remote control signals, two RCA (phono) sockets for external input 2, and a preset level control for the incoming talkback signal. In addition there is an IEC power inlet, fuse and the 15-pin D-sub connector to connect talkback input and outputs to the other locations.

Internal jumpers can be configured to use alternative sources rather than the onboard microphone amplifier and to feed the monitor signal to other systems such as a mixer, rather than the internal monitor amplifier. The intercom is then used for switching and monitoring external inputs.

Sonifex TB-6R intercoms use ‘phantom’ or ‘common-mode’ DC signalling, where a ground is placed on the centre-tap of a transformer, to communicate, so are compatible with many of the other talkback systems in use. A sending station places an earth on the centre-tap; this is detected by the receiving unit, which then un-mutes (and provides a DC signal to dim local monitors if required). Each station has a single listen line input and six outputs. When any of the talk buttons is pressed, outgoing talkback and signalling is sent to the selected line. The ‘send’ circuits to a single receiving unit are simply connected in parallel to the input of the receiving unit. Since sending impedance is quite high, and receiving input is quite low, the effect is to mix any incoming talkback signals.

Input impedance: External inputs; greater than 30kohms unbalanced, 40kohms balanced. Input impedance: Microphone; 1.5kohms. Input gain: Microphone; 74dB to 53dB. Input gain: Talkback; 9dB to -28dB. Headphone output: 150mW into 32-600ohms. Gain: Headphone output; 9dB to bellow-60dB (off). Power source: 85V - 264V AC, 47-63Hz. Dimensions (HxWxD): 89(2U) x 483 x 185mm. Weight: 2.6kg.

Included accessories: Manual and IEC power cordset.
Optional accessories: Gooseneck microphone. See Canford dynamic gooseneck microphones.

TALKBACK INTERCOMS - AoIP

Sonifex AVN series of talkback intercoms are designed to aid fluent communication between studios, stages, theatres, and offices. They are equipped with both 4-wire and AoIP (audio over IP) sources and destinations using AES67, a subset of RAVENNA, to communicate between devices via a CAT5 cable.


AVN TB6

AVN-TB6 is a freestanding six button talkback intercom designed for smaller talkback systems using AES67 AoIP to communicate between devices. It can be powered by IEC AC mains cable, or via DC with the optional AVN-DC060 power supply and can be rack mounted by using in conjunction with optional AVN-TB6RK rack mount kit.

As well as a discreet power button, the front facing panel has six illuminated key-cap talk buttons as well as 'listen' and 'page' buttons. To the right of a volume control that operates the headphone output and onboard 4W speaker volume are four button that allow the user to mute the microphone (Mic Mute), mute the loudspeaker (LS Mute), a user button (User) that can be configurable to various functions, and a monitor (Mon) button for monitoring any local audio input. A 6.35mm headphone output can be found at the right side of the front panel. A recessed reset switch, located under the 3-pin XLR microphone input, can be used to initiate a full hardware reset. +48V phantom power can be enabled via the web server. Various colour changing indicators give an easy to see overview of the current status of features such as AoIP, Ethernet, Talk, Clock, AC PSU and DC PSU.

The rear panel has all other connectivity I/O including GPI/O on 15-pin D-sub connector and dual RJ45 1Gb Ethernet connectors. A SPF (small form-factor pluggable) connector allows an alternative interface type to be utilised for the AoIP port. This cannot be used at the same time as the RJ45 AoIP network port. As an alternative to the 3-pin XLR input on the front panel, a headset can be connected to the 5-pin XLR input on the rear of the TB6. It is recommended that only one microphone or headset should be connected. Other connections on the rear panel are for mains IEC cable and 12V DC input, which can be used in conjunction with the optional AVN-DC060 power supply.

Included accessories; CM-GM1 microphone
Optional accessories: AVN-DC060 60 watt DC power supply, AVN-TB6RK rack mounting kit.


AVN TB6D

AVN-TB6D has the same feature set as the TB6 however it is manufactured as a desktop unit. The only difference in connectivity is that both 3-pin XLR microphone and 5-pin XLR headset inputs are housed on the upper facing side.

Included accessories; CM-GM1 microphone
Optional accessories: AVN-DC060 60 watt DC power supply.


AVN TB10AR

This has many of the features of the TB6 however it is a ten button talkback intercom. Instead of a single user button and single monitor button, the TB10AR has three user buttons and monitor buttons 1 and 2. The AVN-TB10AR also has two headset inputs - one on the front facing panel and one on the rear. An OLED display and jog wheel allow the user to make changes more easily as well as identify important status settings.

Additional connectivity housed on the rear facing panel includes S/PDIF digital input on RCA (phono), and stereo line I/O. Stereo inputs 1 and 2 are on unbalanced dual RCA (phono) whilst a balanced stereo line input 3 is on RJ45. Stereo output 1 is on dual unbalanced RCA (phono), and stereo line output 2 is on balanced RJ45.

Dimensions (WxDxH): 483 x 175 x 44mm. Weight:

Included accessories: IEC mains cable with UK plug, handbook, and warranty card.
Optional accessories: AVN-DC060 60watt DC power supply.


AVN TB20AR

AVN-TB20AR has all of the features of the AVN-TB10AR however it is a twenty button talkback intercom in a 2U rack mounting case, designed for larger requirements.

Dimensions (WxDxH): 483 x 175 x 44mm. Weight:

Included accessories: IEC mains cable with UK plug, handbook, and warranty card.
Optional accessories: AVN-DC060 60watt DC power supply.


AVN TB20AD

AVN-TB20AD has the same feature set as the TB20AR however it is manufactured as a desktop unit.

Dimensions (WxDxH): 294 x 165 x 85mm. Weight: 2.5kg

Included accessories: IEC mains cable with UK plug, handbook, and warranty card.
Optional accessories: AVN-DC060 60watt DC power supply.

PRESENTER TALKBACK SYSTEMS

Sonifex AVN talkback system series comprises of three main parts; the AVN-PX8x4C mix engine, the AVN-MPPR presenter controller, and the AVN-MPTR technician remote controller. Using AES67, a subset of RAVENNA, the units form a talkback system that can have up to 32 presenter remotes to control mix outputs of one of eight virtual mixers, each with four channels.


AVN-PX8x4C - Mix Engine

This is the mix engine part of the system and it houses the hardware that calculates and performs the complex routing, mixing and DSP functions requested. As well as power on/off button and recessed master reset switch, the front facing panel of this 2U rackmountable hardware has an OLED display that shows the current settings as well as navigation for menu settings. The menu settings are accessed via a jog wheel and directional cursors positioned to the right of the display. To the left of the display are four illuminating buttons that give access to 'Menu', 'Assign', 'Release' and 'Grab'. Multi-colour illuminating visuals to the left of centre of the front panel give quick visual aid to current status of AoIP (audio over IP), Ethernet, Auth, Clock, PSU 1 and PSU 2. There are no I/O connections on the front panel.

The rear panel of the AVN-PX8x4C houses all I/O connections including outputs 1-8 and outputs 9-16 on 25-pin D-sub connector, and inputs 1-8, 9-16 and 17-24 on 25-pin D-sub connections. GPI/O A and GPI/O B are on 15-pin D-sub connectors. Two RAVENNA compatible RJ45 connectors enable the 1GB network compatibility, with the upper of the two sockets being the configuration and control port and the lower being the AoIP port. A SFP (small form-factor pluggable) connector allows an alternative interface, such as fibre, to be used as the AoIP port, however the use of this input cannot be in conjunction with the AoIP network port on RJ45. As standard the AVN-PX8X4C has two 85-264V AC IEC AC power modules with T2AL fuse covers and green LEDs to signify status. This gives the capability of redundant power with hot-swappable power sources. The optional AVN-PSU-60W power module can be retro-fitted if replacement required.

Optional accessories: AVN-PSU-60W


AVN-MPPR - Presenter Controller

The MPPR presenter remote uses four rotary encoder volume controls, positioned on the front facing panel, to control the four channels of one of eight virtual mixers housed inside the AVN-PX8X4C mix engine. The volume controls give illuminated feedback in regards to mix level of the source and actual input level. Multi-colour illuminating visuals to the left of the front panel give quick visual aid to current status of AoIP (audio over IP), Ethernet, Limit, Auth, Clock, Power and Mixer channel 1-8. 6.35mm and 3.5mm headphone outputs on the front panel allow monitoring, whilst a 3-pin XLR output on the rear panel can be connected to compatible equipment and used as a mix output, also for monitoring. Also on the rear facing panel is GPI/O on 15-pin D-sub connection, and Ethercon network port for AES67 connectivity to the AVN-PX8x4C mix engine. The unit is also powered via this network connection. Two rotary selectors give the user the ability to alter the hardware ID settings for ID1 group and ID2.

Optional accessories: AVN-MPDB deskmount bracket, AVN-MPMB microphone stand bracket.


AVN-MPTR - Technician Remote

MPTR technician remote is a 1U rackmountable controller that connects via AES67, a subset of RAVENNA, to the AVN-PX8X4C mix engine and multiple AVN-MPPR presenter controllers to give an engineer the ability to remotely adjust volume controls of eight virtual mixers, each with four channels.

The rear facing panel has a 15-pin D-sub GPI/O connection and single Ethercon socket for conveying AES67 signals, while the front facing panel has all the operational controls as well as power on/off switch.

An OLED display with jog wheel and directional cursors to navigate and select menu and submenu items, is situated in the centre of the front facing panel, with four rotary encoders that show input level metering and output volume situated to the right. To the left of the OLED display are four illuminating buttons that give access to 'Menu', 'Assign', 'Release', and 'Grab' functions. Eight buttons labelled 'Pres 1' through 'Pres 8' are used to select one of eight virtual mixers in a one touch operation. Other buttons on the front panel include GPO 'Enable' and 'Active' as well as a recessed reset button that allows hard reset of the unit. Like the front panel of the AVN-MPPR, the AVN-MPTR has multi-colour illuminating visuals to the left side that give quick visual aid to the current status of AoIP (audio over IP), Ethernet, Limit, Auth, Clock, Power and Mixer channel 1-8.

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SONIFEX TB-6R Intercom, rackmount, 6-way Stock code: 95-612
No longer manufactured. Please contact Technical Support for alternatives.
SONIFEX AVN-TB6 TALKBACK INTERCOM 6 button, AES67 AoIP, freestanding Stock code: 95-5901
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£1,620.00
SONIFEX AVN-TB6D TALKBACK INTERCOM 6 button, AES67 AoIP, desktop Stock code: 95-5902
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£1,640.00
SONIFEX AVN-TB10AR TALKBACK INTERCOM 10 button, AES67 AoIP, rack mounting Stock code: 95-5903
Available in 1‑2 weeks Ordered on demand, cancellations may incur charges, available in 1‑2 weeks. Need it sooner? Call us
£2,420.00
SONIFEX AVN-TB20AR TALKBACK INTERCOM 20 button, AES67 AoIP, rack mounting Stock code: 95-5904
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£2,830.00
SONIFEX AVN-TB20AD TALKBACK INTERCOM 20 button, AES67 AoIP, desktop Stock code: 95-5905
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£2,720.00
SONIFEX AVN-TB6RK RACKMOUNT KIT For AVN-TB6 Stock code: 95-5906
Available in 4‑6 weeks Ordered on demand, available in 4‑6 weeks. Need it sooner? Call us
£39.96
SONIFEX AVN-CAPTOOLS FITTING TOOL For replacing button caps Stock code: 95-5907
Available in 4‑6 weeks Ordered on demand, available in 4‑6 weeks. Need it sooner? Call us
£29.96
SONIFEX AVN-DC060 POWER SUPPLY For AVN series, male KPJX-4S connector, 60W DC Stock code: 95-5936
Available in 3‑4 weeks Ordered on demand, available in 3‑4 weeks. Need it sooner? Call us
£79.96
SONIFEX AVN-PX8X4C MIX ENGINE AES67 AoIP, 8x4 channel, 24 inputs, 16 outputs, rack mounting Stock code: 95-5891
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£8,390.00
SONIFEX AVN-MPPR PRESENTER REMOTE AES67 AoIP, 4 channel, 6.35mm and 3.5mm jack headphone outputs Stock code: 95-5892
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£1,500.00
SONIFEX AVN-MPTR TECHNICIAN REMOTE AES67 AoIP, 10x GPIO ports, GPO enable buttons, rack mounting Stock code: 95-5893
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£2,780.00
SONIFEX AVN-MPDB DESKMOUNT BRACKET For AVN-MPPR Stock code: 95-5894
Available in 4‑6 weeks Ordered on demand, available in 4‑6 weeks. Need it sooner? Call us
£39.96
SONIFEX AVN-MPMB MIC STAND MOUNT BRACKET For AVN-MPPR Stock code: 95-5895
Available in 4‑6 weeks Ordered on demand, available in 4‑6 weeks. Need it sooner? Call us
£49.96
SONIFEX AVN-PSU-60W POWER SUPPLY Hot swappable, 60W, for AVN-PX8X4C Stock code: 95-5896
Available in 4‑6 weeks Ordered on demand, cancellations may incur charges, available in 4‑6 weeks. Need it sooner? Call us
£524.00