Studio Technologies MODEL 46A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface

Studio Technologies MODEL 46A Dual 2-Wire Analog Audio to 4-Wire Analog Audio Interface The Studio-Tech 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 be supported. The Model 46A provides two independent full-featured 2-channel interfaces. Each interface contains two hybrid circuits which include automatic nulling capability. Key Features Two 2-channel party-line intercom interfaces Four analog hybrids with auto null capability Input and output level metering Excellent audio quality Integrated intercom power sources Standard audio connectors Transformer-coupled 4-wire inputs and outputs Universal input mains powered Technical Specifications General Audio Frequency Response ±2 dB 100 Hz to 8 kHz Distortion (THD+N) <0.5%, measured at 1 kHz, 4-wire input to 2-wire interface pin 2 Signal-to-Noise Ratio >55 dB,