STAC - Telephone Talk-Show System

STAC

What are you talking about?

The telephone has always been essential to live broadcast. Studio Telephone Access Center (STAC) puts you in control of your talk shows, call-ins and phoners with great sound, ease of operation and scalable configuration.

STAC Phone-In System 2-U Electronics Rack

STAC incorporates a pair of Comrex high-performance digital hybrids with automatic audio level control. The result is the most natural sounding telephone audio, even when conferencing multiple callers. A compact, rack-mounting mainframe houses the hybrids, the multiline controller and all telephone and audio connections.

The attractive, ergonomic control surfaces offer two operational modes, selectable with a flip of a switch:

Powerful call management can be quickly mastered with minimal training. A single control surface is included for basic operation. For more demanding programming, up to four control surfaces may be used.

STAC


Call screening and control are available from any networked computer, using a standard web browser, with the included STAC IP. With STAC IP, your talent can host their shows from anywhere there is an Internet connection or you can economically create more control points from any computer on your local network. No additional computer is needed to serve the STAC IP webpage, as it is served from the mainframe. Your connections are secured by password protection and no dedicated client software needs to be installed. In addition to replicating the call status information on the control surfaces, STAC IP also provides fields for additional information about callers and text "chat" among those on your show network.


Innovative features include an Auto Attendant that automatically answers incoming callers with your custom message and puts them on hold; dedicated control surface buttons to designate the next caller to be placed on air and to activate an external recorder or delay; and program-on-hold audio.

The STAC12 mainframe and control surface are configured for 12 phone lines, while the STAC6 is configured for six lines. Expanding a STAC6 to a STAC12 in the field is quickly accomplished by installing a mainframe extension card and control surface "sidecars".

No matter what you're talking about, you'll be talking about quality, convenience and value when you put the Comrex STAC on the line.

Specifications
Main-frame rear panel connections:
Send input XLR female: 0 dBu nominal, adjustable, balanced, bridging, 20kohm impedance
Caller 1 & 2 outputs XLR male: 0 dBu nominal, adjustable, balanced, 50ohm impedance
Telco Lines 2 x RJ-45 connectors per six phone lines: POTS (plain old telephone service) line, analogue extension from a PBX or dry line (no DC offset voltage)
Auto-disconnect Disconnects on loop drop or loop reversal. User selectable
Key service compatibility Any key system providing true tip and ring
Tip/ring switching Solid state relay
Loop-through to PBX 2 x RJ-45 per six telephone lines
Hybrid expansion port RJ-45
Control Surface RJ-45
Network connection 10Base-T Ethernet
Hybrid Performance:
Telephone transmit Nominal send input: 0dBu referenced to -15 dBu onto the telephone line
Frequency Response: 250 Hz to 3.5 KHz, ± 1 dB
Signal-to-noise ratio: >56 dB
Distortion: <0.2%
Telephone receive Nominal telephone line level: -15 dBu referenced to caller output of 0 dbU
Frequency response: 250 Hz to 3.5 KHz, ± 1 dB
Signal-to-noise ratio: >56 dB
Distortion: <0.2%
Null Send-to-caller seperation: 50 dB nominal
Tail time: 32 mS
Mix-minus Caller-to-send seperation: 50 dB nominal
Tail time: 32 mS
Mainframe power and physical:
Internal supply Auto-adjusting 100/240 VAC 50/60 Hz
Dimensions 48.3 x 29.2 x 8.9 cm
Mass 5.75 kg
Control surface (6 line)
Dimensions 25.4 x 17.8 x 8.3 cm
Mass 1 kg
Control surface (12 line)
Dimensions 41.9 x 17.8 x 8.3 cm
Mass 1.4 kg
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