Analog 2-Wire to 4-Wire Intercom Interfaces

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  • Model 45A 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Model 45A 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Order Code: M45A
The Model 45A is designed to interface a 2-wire full-duplex party-line intercom circuit with a 4-wire audio circuit associated with a matrix intercom system. Other specialized audio system interfacing applications…
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  • Model 46A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Model 46A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Order Code: M46A
The Model 46A is designed to interface 2-wire full-duplex party-line (PL) intercom circuits with 4-wire audio circuits associated with matrix intercom systems. Other specialized audio system interfacing applications can also…
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  • Model 47A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Model 47A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Order Code: M47A
The Model 47A is designed to interface 2-wire full-duplex party-line (PL) intercom circuits with 4-wire audio circuits associated with matrix intercom systems. Other specialized audio system interfacing applications can also…
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Model 47A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface Model 47A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Model 47A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface
Order Code: M47A
The Model 47A is designed to interface 2-wire full-duplex party-line (PL) intercom circuits with 4-wire audio circuits associated with matrix intercom systems. Other specialized audio system interfacing applications can also be supported. The Model 47A 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…
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