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Studio Technologies Model 24
4-Channel IBF System


The Model 24 Access Station allows broadcast personnel to access four IFB channels associated with two Model 2 units.
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List Price: $295.00
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Studio Technologies Model 24
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The Model 24 Access Station allows broadcast personnel to access four IFB channels associated with two Model 2 units. The unit contains five lighted pushbutton switches, four of which are used to activate and display the status of the IFB channels and one that provides an "all call" function. The Studio Technologies Model 11A Gooseneck Microphone or a line-level audio source can be connected. Up to four Model 24 units can be connected and supported by two Model 2 units. The Model 27A 19-Inch Rack Adapter allows a Model 24 and a Model 11A Gooseneck Microphone to be mounted in a single space of a standard rack enclosure.

The IFB Plus Series is designed for electronic news-gathering (ENG) trucks, satellite news-gathering (SNG) trucks, and small production vehicles. Interruptible foldback (also known as talent cueing) allows reporters and other on-air talent to receive program audio along with audio cues from production personnel, generally directors and producers.


Mounting: rack mounted using Model 27A 19-inch Rack Adapter (purchased separately); can also be flush mounted in custom-fabricated rectangular opening in enclosure or work surface

Interconnections: two 9-pin D-subminiature connectors (female), each linking the Model 24 with a Model 2 Central Controller

Interrupt Switches: 5
Functions: IFB 1-4, All Call
Type: momentary pushbutton, EAO 99-series, all backlit, tally indication for IFB 1-4 functions

Microphone Input:
Compatibility: 2-wire electret, designed for use with Studio Technologies' Model 11A gooseneck microphone (purchased separately)
Connector: three terminals on a screw terminal strip

Line Input:
Type: transformer coupled, compatible with balanced or unbalanced audio signals
Input Impedance: 40 k ohms, nominal
Input Level: –15 to +10 dBu, adjustable using trim potentiometer
Connector: two terminals on a screw terminal strip

Monitor Muting: switch selectable, allows Model 24 interrupt activity to mute monitor amplifier outputs on Model 2 Central Controllers

Power Requirements: +18 volts DC, 50 milliamperes, nominal, provided by connected Model 2 Central Controllers

Dimensions (Overall):
6.40 inches wide (16.3 cm)
21.60 inches high (4.1 cm)
5.20 inches deep (13.2 cm)

Weight: 0.8 pounds (0.35 kg)

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