The SD7T and an EX-007 expander wing are at the Front of House position, while the SD8 is on monitors. Inputs and outputs come from five DiGiCo racks - backstage, three DiGi-Racks handle all radio mics, the orchestra and all system feeds respectively, while a MINI rack hosts additional orchestra inputs.
Most of the actors carry a redundant microphone pack as backup, the SD7T being configured so that it can easily switch over to the alternate mic in the event of any problems. All four backstage racks are connected to the SD7T via a redundant optical loop, the first two also connected via MADI to the SD8 on monitors.
The fifth rack is another MINI rack, configured with four AES bi-directional cards. Together with the SD7T's local I/O, it handles all playback from the show's automated sound effects units, as well as outboard effects.
One useful feature of the SD7T has been the onboard video screen. Connected to two cameras covering the conductor and pianist, it is used as a visual aid for communications between them and the FoH position.
(Jim Evans)
