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An Introduction to The Radia Series

Advantages of the planar-magnetic, line-source speaker system

The most significant benefit a speaker system can offer is sonic accuracy. Yet an analysis of any speaker design
reveals the inevitable compromises that the designer has considered and accepted as part of the finished
product. High-performance systems are the result of wise choices made by the design team based on their
perceptions of the interaction between speaker, environment, and listener. Unwise design choices will result
in speaker systems that do not completely serve the human need in the reproduction of music or other
auditory program.

Additionally, any room in which speakers are located is part of the system and influences the performance of
the speaker system. The acceptance of room limitations may be one of the first significant steps in the design
of a successful speaker system.

The Radia Series of high-performance, planar-magnetic speaker systems from Bohlender-Graebener
Corporation are among the most accurate and satisfying speaker systems ever developed for home or
commercial environments. Incorporating wise design choices, which include the influences of listening
space, The Radia Series represents a true departure from design technologies which have been considered
the norm for decades.

Ultra-light diaphragm responds instantly; the sound is fast, open, and dynamic in the tradition of the

finest audiophile-quality speaker systems.

One-way, crossover-less operation above 275 Hz gives seamless, transparent sound.

Wide horizontal dispersion eliminates placement problems and stereo image inconsistency.

Natural vertical directivity ensures an almost complete lack of ceiling and floor “bounce” in the 
frequencies above the crossover point.

Large speaker size and enormous power handling produce an unmatched image size, weight, and 

impact.

Moderate load to the amplifier eliminates problems based on amp or cable limitations.

Combining these performance advantages with exceptional installation possibilities allows an unmatched
opportunity for the integration of high sound quality and cosmetic elegance in premium entertainment systems.

© Copyright 2003 Bohlender-Graebener Corp. All rights reserved. Products, features and specifications subject to change without notice.

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Summary of Contents for Radia R-50

Page 1: ...rp All rights reserved Products features and specifications subject to change without notice A Division of Bohlender Graebener Corp Guide To System Design Installation High Performance Home Entertainm...

Page 2: ...installation advantages do the Radia Series systems offer Section 4 Line Source Speaker Use and Operation The Radia Series line source speakers in vertical applications The Radia Series line source sp...

Page 3: ...stems ever developed for home or commercial environments Incorporating wise design choices which include the influences of listening space The Radia Series represents a true departure from design tech...

Page 4: ...enhanced by virtue of its highly linear drive principle whereby force on the diaphragm is applied in an absolutely uniform fashion The Radia Series planar magnetic drivers have an aperture width of on...

Page 5: ...aker systems also eliminate inadequate image size and inadequate playback volume distortions Conventional speaker systems attenuate reduce volume at a rate of 6 decibels a measured reduction of acoust...

Page 6: ...imultaneously providing an absolute minimum of cosmetic intrusion R Series Systems installed with drywall grilles measure less than common low performance 6 in wall speakers in the critical width dime...

Page 7: ...d singly the R Series speakers can address an audience with unmatched intelligibility Used in multiples around an audience they can broadcast multi channel audio stereo surround or other matricies to...

Page 8: ...chart Listeners placed within the ends of the speaker will localize the center sound track at a position on the screen exactly perpendicular to them perhaps significantly off center Listeners beyond t...

Page 9: ...er than the standard 2x4 stud cavity on 16 centers Prepare any cabinet installation with at least this enclosure size in mind for example an enclosure for an 77 tall system such as the R75 or R50 woul...

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