Talkback refers to the standard method of communication between broadcast studios.
Each studio has either a desktop, a rack-mount, or mixer-mounted intercom, usually containing a row of switch buttons. Each switch button connects to another studio when pressed, and routes the presenter audio to it.
There are 4 products in the Sonifex Talkback Intercom range:
TB-6D 6 Way Talkback Intercom, desktop freestanding
TB-6R 6 Way Talkback Intercom, 19” rack mounted
TB-SD Station Master Talkback Intercom, desktop freestanding
TB-SR Station Master Talkback Intercom, 19” rack mounted
The TB-6D and TB-6R are general talkback interfaces which can be connected together to form a talkback system. The TB-SD and TB-SR are talkback units which only operate when connected to the Sonifex Station Master studio switcher.
TB-6D & TB-6R 6 Way Talkback Intercoms
The TB-6D and TB-6R are used for general talkback between studios and use DC signalling, also known as ground lifting or ground signalling, to communicate with each other. These units can be installed in various locations throughout a studio complex and linked to one another, with each unit being able to talkback to up to 6 others connected together. Most other talkback systems in general operation also use DC signalling, so you should be able to add these units into an existing installation.
Talkback – TB-6R Rack mount System 6 Way Talkback Intercom, 19” rack mounted.
Desktop Or Rack mount
The TB-6D and TB-6R are identical in operation, with the TB-6D used for desktop operation and the TB-6R available as a 2U rack-mount, for use for example, in a central apparatus room or central technical area.
Features
Provide talkback for up to 7 locations (TB-6D & TB-6R) or 5 locations (TB-SD & TB-SR).
Brightly lit push-to-talk buttons.
Momentary or latched buttons.
Built-in electret microphone, with input for external microphone.
Monitoring of 2 external inputs, e.g. for off-air receiver.
Auto-muting, or mixing, of external inputs, when talkback is active.
Integrates with Sonifex S2 mixer and is compatible with other talkback systems.
Technical Specification For Talkback
Audio & Power Specification
Talkback Input/Outputs
15 way male D-type plug (TB-6D & TB-6R) for 6 balanced talkback outputs and 1 balanced talkback input
Talkback Input Gain Range
9dB to -28dB, adjusted by rear panel preset pot
External Inputs & Mute
9 way female D-type socket, for stereo balanced external input 1, stereo unbalanced external input 2 (or external talkback input/output), talkback control output and mute input
External Input 2
Dual phono socket, stereo unbalanced in parallel with the 9 way female
D-type socket
External Inputs Impedance
> 30kΩ unbalanced
> 40kΩ balanced
External Talkback Input Impedance
> 30kΩ unbalanced
External Talkback Output Impedance
< 80 Ω unbalanced
External Microphone Input
3 pin female XLR socket
Mic Input Impedance
1.5 kΩ balanced
Microphone Input Gain Range
74dB to 53dB, adjusted by rear panel preset pot
Headphone Output
6.35 mm (1/4”) jack, unbalanced stereo capable of driving 150mW into
32-600 Ω headphones
Headphone Output Gain Range
9dB to ≤60dB (off) adjusted by front panel pot
Station Master Remotes
25 way female D-type socket (TB-SD & TB-SR)
Loudspeaker Power
1W
Mains Input Power
85V – 264V AC, 47-63Hz, max 10W
Fuse Holder
1A anti-surge fuse
Physical Specification
Order Code
Description
Height
Width
Depth
Total Nett
Weight
Total Gross Weight
TB-6D
6 Way Talkback intercom, desk units
6 cm (front)
2.4” (front)
8.6 cm (rear)
3.4” (rear)
High Quality HE-AAC (v.1 and v.2), MPEG-1 and MPEG-3 Decoding
32 kHz, 44.1 and 48 kHz sample rates support
Support of all standard bitrates and VBR as well
6 LEDS and Phones output for quick diagnostics
IP address pronunciation at startup (through the headphones) DHCP
Client automatically assigning Network Settings
Full Control and easy setup via a standard web browser
UpnP for easy discovery in Local Networks
Shoutcast / Icecast compatible TCP/IP stream
Analog Audio Input (2 x RCA connectors)
Digital Audio Input (RCA Connector)
RJ-45 Ethernet Connector
Auto switching to another server in the event of a connection loss Up
to 10 simultaneously connected clients
€7,800.00€4,340.00€845.00€815.00Sonifex TB-6D
€1,950.00€1,850.00Description
Sonifex TB-6D
TB-6D Desktop & TB-6R Rack-mounted Systems
Each studio has either a desktop, a rack-mount, or mixer-mounted intercom, usually containing a row of switch buttons. Each switch button connects to another studio when pressed, and routes the presenter audio to it.
There are 4 products in the Sonifex Talkback Intercom range:
The TB-6D and TB-6R are general talkback interfaces which can be connected together to form a talkback system. The TB-SD and TB-SR are talkback units which only operate when connected to the Sonifex Station Master studio switcher.
TB-6D & TB-6R 6 Way Talkback Intercoms
The TB-6D and TB-6R are used for general talkback between studios and use DC signalling, also known as ground lifting or ground signalling, to communicate with each other. These units can be installed in various locations throughout a studio complex and linked to one another, with each unit being able to talkback to up to 6 others connected together. Most other talkback systems in general operation also use DC signalling, so you should be able to add these units into an existing installation.
Talkback – TB-6R Rack mount System 6 Way Talkback Intercom, 19” rack mounted.
Desktop Or Rack mount
The TB-6D and TB-6R are identical in operation, with the TB-6D used for desktop operation and the TB-6R available as a 2U rack-mount, for use for example, in a central apparatus room or central technical area.
Features
Technical Specification For Talkback
Audio & Power Specification
D-type socket
> 40kΩ balanced
32-600 Ω headphones
Physical Specification
Weight
2.4” (front)
8.6 cm (rear)
3.4” (rear)
8.8”
8.9”
2.75lb
4.4lb
19”
7.3”
5.7lb
8.8lb
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Support of all standard bitrates and VBR as well
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IP address pronunciation at startup (through the headphones) DHCP
Client automatically assigning Network Settings
Full Control and easy setup via a standard web browser
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Shoutcast / Icecast compatible TCP/IP stream
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