The Big Ben is fundamentally a Grade 1 master clock generator able to operate at any of the standard rates from 44.1kHz to 192kHz. The name is derived from the widespread association of Britain's Big Ben with accurate time keeping - even though the name actually refers to the large hour-chime bell in St Stephen's Tower at the Palace of Westminster, rather than to the clock mechanism itself! Grade 1 Master Clock Daisy-chaining clocks between equipment can work in small systems, but propagation delays can become a serious problem in larger installations, and a star distribution of stable time-aligned clocks is a much better solution.Īpogee's latest contribution to this area of the market is the 1U rackmounting Big Ben, which is claimed to represent the state of the art in master-clock design, with clock distribution and a range of interesting features built in. As the level of complexity rises, the role of a high-quality, central master clock becomes increasingly important, both to keep everything in synchronisation and to act as a central clock distribution point. The vast majority of home studios these days will undoubtedly have some digital equipment, and many already have quite complex configurations of hardware and computer-based digital audio equipment. Apogee's new master clock includes their latest clock-regeneration technology, which can synchronise to even very poor-quality clock sources.
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