Studio Technologies Model 47 Interface
The Studio Technologies Model 47 Interface is designed to interface 2-wire full-duplex party-line intercom circuits with 4-wire audio circuits associated with matrix intercom systems.
Other specialized audio system interfacing applications can also be supported. Studio Technologies Model 47 Interface provides two independent full-featured 2-channel interfaces. Each interface contains two hybrid circuits which include automatic nulling capability. The analog circuitry, under software control, provides excellent audio quality and high return-loss. The interfaces are compatible with powered and unpowered 2-wire party-line circuits. They are capable of supplying DC power to devices such as user beltpacks and user stations. Independent power sources are provided for both channels (pins 2 and 3) of each interface, allowing direct support for broadcast source assignment panel (SAP) applications. Configuration settings allow the 2-wire and 4-wire interface circuitry to be compatible with a range of nominal signal levels. Audio level meters provide user confirmation of system performance during setup and operation. Applications for Studio Technologies Model 47 Interface include mobile and fixed television facilities, theme park and theater installations and industrial testing environments. Standard audio connectors are used for all input and output signals. Studio Technologies Model 47 Interface mounts in one space (1U) of a standard 19-inch rack enclosure and requires 100-240 volts, 50/60 Hz for operation.
Studio Technologies Model 47 Interface Interface Features
- Two 2-channel party-line intercom interfaces
- Four analog hybrids with auto null capability
- Input and output level metering
- Excellent audio quality
- Dual-Channel intercom power sources
- Direct support for broadcast SAP panel applications
- Standard audio connectors
- "Universal input" mains powered
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