DUBLIN, IRELAND: Studio TechnologiesModel 46 two- and four-wire interface is making the comms connection for Observe Outside Broadcast, a remote broadcast and TV company that covers sports and entertainment events in Ireland. The Observe fleet of OB vans consists of the flagship HD1 high- and standard-definition truck, capable of fielding 25 cameras; the HD2 HD/SD truck, offering eight camera capabilities and the SS3 SD truck, which supports 22 cameras. The trucks cover sports events that include RBS 6 Nations Rugby and international soccer games. Studio Technologies Model 46 units were chosen to interface efficiently between the existing 4-wire, 96-port RTS Telex matrix systems found in each truck and the remote two-wire beltpacks carried by crew members.
The Model 46 is designed to be the reliable connection between 2-wire full-duplex party-line intercom circuits and 4-wire audio circuits associated with matrix intercom systems. It provides two independent, full-featured, 2-channel interfaces. Each interface contains two hybrid circuits, which include an automatic nulling capability. The analog circuitry, under software control, provides excellent audio quality and high return-loss. The Model 46 is capable of supplying DC power, allowing direct operation of such devices as user beltpacks. It is also compatible with party-line circuits that include already include powering.
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