While record companies in the 1950s and '60s rarely booked tours for performers without a hit record to promote, Mr. Barsalona established a different business model, a sort of independent concert system uncoupled from the record companies.
There can be more than 50 double-18-inch (45cm) cabinets in a typical concert system.
It is now possible for Asia's greatest powers -- China, India, Japan, and the U.S. -- to form something akin to the concert system that gave Europe a century of almost complete peace in the 19th century.
After selling his share of Apogee, Jackson co-founded with Roy and Gene Clair a joint venture which produced the Clair iO, a loudspeaker management system for control of complex concert sound systems.
Synthetic biology, in close concert with systems biology, is revolutionizing the field of metabolic engineering by providing novel tools and technologies to rationally, in a standardized way, reroute metabolism with a view to optimally converting renewable resources into a broad range of bio-products, bio-materials and bio-energy.
After leaving Apogee, Jackson entered into a joint venture with Clair Brothers to design a digital loudspeaker controller for control of complex concert sound systems.
Professional concert sound system subwoofers typically operate below 100 Hz, and THX-approved systems operate below 80 Hz.
In professional concert sound system design, subwoofers can be incorporated seamlessly with the main speakers into a stereo or mono full-range system by using an active crossover.
Clair had brought his unusually large American concert sound system to Australia and Jackson was curious to hear it, and to see how the big black 'W' bins were designed.
During an April 1985 Springsteen tour leg in Japan, Jackson first listened to Compact Discs played on a CD player connected to his concert sound system, and he did not like what he heard.
