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Telos VX Duo - VoIP Broadcast Phone System

 
  • Dale #:

    TELO-200100637000
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Description

Big performance in a small, silent, affordable package! For over a decade, Telos VX broadcast phone systems have been the industry standard for bringing phone calls into any broadcast facility. VX Duo brings the same audio performance and user experience you'll find in the flagship VX Enterprise ... Read More

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Description

Big performance in a small, silent, affordable package! For over a decade, Telos VX broadcast phone systems have been the industry standard for bringing phone calls into any broadcast facility. VX Duo brings the same audio performance and user experience you'll find in the flagship VX Enterprise system to a compact, completely silent platform. This makes VX Duo an ideal choice for home and project studios and stations where all equipment is located inside a control room. The affordability of VX Duo puts the legendary performance of Telos VX within reach of any budget.

Features:

  • Delivers the same user experience and audio performance of Telos Alliance's flagship phone system
  • Comes with 2 channels/hybrids standard
  • Expandable to a total of 8 channels/hybrids via additional 2 channel expansion licenses
  • Includes smart AGC and the famous three-band adaptive digital dynamic EQ, a three-band adaptive spectral processor, and noise gating
  • Includes wideband acoustic echo cancellation to eliminate feedback and allow natural conversations with callers when monitoring on open speakers
  • Compact, fanless, and completely silent, allowing for in-studio installation
  • Up to 3 units can be positioned side by side in a single rack space
  • Works with all Telos VSet call controllers and VX-compatible call screening software


Duo is an expandable two hybrid/channel VX system

VX Duo comes with two hybrids/channels which can either be used for a single studio (two separate caller faders on the board) or split between two studios, such as an AM/FM combo, or a control room and production studio.

Need more channels? No problem! VX Duo is expandable in increments of 2 channels, making a 4, 6, or 8-channel system a simple matter of adding licenses as needed.

AES67 Support
VX Duo includes support for Livewire+ AES67, giving broadcasters the flexibility to integrate it into any Livewire or AES67 facility.

Pathfinder control and support
Build HTML5 control panels for VX Duo using our Axia Pathfinder Core Pro Broadcast Controller.

Pure digital call-handling throughout
Unlike other VoIP systems, there are no analog stages in VX Duo, ensuring you always get the highest possible call audio quality.

With a capacity for up to 8 channels (hybrids/faders), Telos VX Duo is an appliance-based system that is ideal for small- to medium-sized facilities.

  • Base system is licensed for 2 channels, and can be expanded up to 8 channels total by adding additional 2 channel licenses
  • Supports an unlimited number of SIP extensions
  • Maximum simultaneous on-air calls: 96
  • Maximum on-air calls that can be conferenced on one fader: 12

VX System Components
VX Duo is a small form factor appliance with two gigabit Ethernet ports. It is completely silent, making it ideal for deployment inside studios.

You'll notice there are no audio I/O or telco ports on VX Duo itself. That's because all I/O is interfaced via Ethernet. The AoIP network supports a wide variety of Axia audio consoles, AES67 audio devices, Telos VSet phones, console-integrated call controllers, and more. VoIP services connect through a dedicated WAN interface, which can also accept connections from VSet phones, console call controllers, and more.

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Product Specs

Analog Inputs (with Telos Alliance xNode)
Input Impedance >40 k Ohms, balanced
Nominal Level Range Selectable, +4 dBu or -10dBv
Input Headroom 20 dB above nominal input
Analog Outputs (with Telos Alliance xNode)
Output Source Impedance <50 Ohms balanced
Output Load Impedance 600 Ohms, minimum
Nominal Output Level +4 dBu
Maximum Output Level +24 dBu
Digital Audio Inputs and Outputs (with Telos Alliance xNode)
Reference Level +4 dBu (-20 dB FSD)
Impedance 110 Ohm, balanced (XLR)
Signal Format AES-3 (AES/EBU)
AES-3 Input Compliance 24-bit with selectable sample rate conversion, 32 kHz to 96kHz input sample rate capable
AES-3 Output Compliance 24-bit Digital Reference: Internal (network timebase) or external reference 48 kHz, +/- 2 ppm
Internal Sampling Rate 48 kHz
Output Sample Rate 44.1 kHz or 48 kHz
A/D Conversions 24-bit, Delta-Sigma, 256x oversampling
D/A Conversions 24-bit, Delta-Sigma, 256x oversampling
Latency Under 3 ms, mic in to monitor out, including network and processor loop
Frequency Response (with Telos Alliance xNode)
Reference Any input to any output: +0.5 / -0.5 dB, 20 Hz to 20 kHz
Dynamic Range (with Telos Alliance xNode)
Analog Input to Analog Output 102 dB referenced to 0 dBFS, 105 dB "A" weighted to 0 dBF
Analog Input to Digital Output 105 dB referenced to 0 dBFS
Digital Input to Analog Output 103 dB referenced to 0 dBFS, 106 dB "A" weighted
Digital Input to Digital Output 138 dB
Total Harmonic Distortion + Noise (with Telos Alliance xNode)
Analog Input to Analog Output <0.008%, 1 kHz, +18 dBu input, +18 dBu output
Digital Input to Digital Output <0.0003%, 1 kHz, -20 dBFS
Digital Input to Analog Output <0.005%, 1 kHz, -6 dBFS input, +18 dBu output
Crosstalk Isolation, Stereo Separation, and CMRR (with Telos Alliance xNode)
Analog Line channel to channel isolation 90 dB isolation minimum, 20 Hz to 20 kHz
Analog Line Stereo separation 85 dB isolation minimum, 20 Hz to 20 kHz
Analog Line Input CMRR >60 dB, 20 Hz to 20 kHz
IP/Ethernet Connections
RJ45 Ports (1) Gigabit Ethernet via RJ-45 LAN connection (AoIP)
(1) Gigabit Ethernet via RJ-45 WAN connection (VoIP)
Processing Functions All processing is performed at 32-bit floating-point resolution
Processors Send AGC/limiter
Send filter
Gated receive AGC
Receive filter
Receive dynamic EQ
Ducker
Sample rate converter
Acoustic Echo Canceller
Physical
Power Supply 100-240 VAC input 50-60 Hz external power supply with 12VDC, 3.33A output
Operating Temperatures -10 degree C to +40 degree C, <90% humidity, no condensation
Studio Audio Connections Via Livewire IP/Ethernet. Each channel (hybrid) has one input and one output
Each studio has a Program-on-Hold input
Each Acoustic Echo Canceller has two inputs (signal and reference) and one output
Livewire+™ AES67 equipped studios may take and supply audio directly to/from the network. Telos Alliance xNodes are available for analog and AES3 breakout.
VX Duo supports AES67 connectivity. AES67 stream parameters:
(2) channels per stream, 1 ms packetization rate
Sample rate: 48 kHz
Payload type: 46
Source port: 5001
Destination port: configurable
Time to live (TTL): configurable (1-255)
IEEE 802.1p priority code point (PCP): configurable (0-7)
IEEE 802.1Q VLAN tag: configurable (0-4094)
DiffServ code point (DSCP): configurable (0-63)
Don't Frag (DF) bit: configurable (true/false)
Receive buffer size: configurable (2000-20000 μs)
VX supports PTPv2 (IEEE 1588-2008) clocking. Domain, sync interval, announce interval, announce timeout, and many other parameters are all configurable.
Telco Connections Audio: standard RTP. Codecs: g.711μ-Law and A-Law, and G.722
Control: standard SIP endpoint. ISDN PRI/T-1, ISDN BRI, and POTS may be supported with the appropriate interfaces using an existing PBX or an Asterisk-based PBX optionally configured by Telos Alliance.
Dimensions Compact desktop hardware platform
1.65" H x 5" W x 5" D (42 x 127 x 127 mm)
Regulatory
North America FCC and CE tested and compliant, external power supply is UL approved
Europe Complies with the European Union Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS), as amended by Commission Decisions 2005/618/EC, 2005/717/ EC, 2005/747/EC (RoHS Directive), and WEEE.

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