Bose Panaray MA12 Technische fundering en discussie - Pagina 12

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Bose Panaray MA12 Technische fundering en discussie
disconcerting and creates an ongoing distraction. When given the choice, listeners prefer the
sound to come from the same direction as the action.
And finally, service and maintenance is difficult when speakers are hanging in the air.
Service usually requires that the floor area be cleared, and a lift or scaffolding employed.
This is in general inconvenient and expensive. Sometimes, a facility has to be closed for a
day or more in order to gain access to the speakers, or the work must take place late at night
when labor costs can be much higher.
Summary
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summary, the hang and tilt method is effective in meeting customer requirements. But not
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without some compromises in sound quality, usually due to reduced performance in the
overlap areas of speakers and in poor localization performance. Perhaps more important, the
process of creating and servicing a system is time consuming and requires a high level of
skill in a number of areas, both of which add significantly to the cost of these systems.
Can anything be done about these weaknesses? Or should we only look forward to more
incremental improvements to the hang-and-tilt approach – a new speaker with slightly better
radiation pattern control, or equivalent performance in a somewhat smaller package, or
somewhat easier rigging hardware, for example?
We believe there is a true extension to hang-and-tilt components – a tool for designers that
can often overcome the weaknesses that have been described. To explain why we have come
to this conclusion, we must return to and examine the fundamental assumption that originally
led the industry to the hang-and-tilt approach.
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Bose
MA12™ Modular Array: Technical Foundation & Discussion
April 2002, © Bose Corporation, All Rights Reserved
Page 12 of 36