Bowers Wilkins Speaker System Active1 User Manual

Active 1  
Active loudspeaker system  
Product Summary  
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Behind the John Bowers Active 1 is a simple but demanding concept: to achieve large  
loudspeakers performance from comparatively small enclosures. And these compact  
cabinets should be basically convenient in style, to integrate happily into home  
environments where space is at a premium.  
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During the two-year research and development programme, our augmented design  
concept. This unique experienced group of engineers had at their disposal the most  
sophisticated tools and instrumentation, including in-house computer laser interferometry.  
Technical highlights  
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The Active 1 has three drive units: two 150mm bass drivers, high frequency transducer  
employing diminishing sound-source polyamide dome.  
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Both bass/ midrange drivers incorporate an advanced motor system with edge-wound  
copper ribbon on Kapton formers - giving superior transient and power-handling  
capabilities.  
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The totally rigid enclosure is built in a laminate of particle board and bitumous pads and is  
critically cross-braced. The electronics are housed in an isolated compartment at the back.  
Drive Un its Three, vertically in-line with electronic inter-unit time- Fre q u e n cy Re sp o n se Free-field at 2m at centre of listening  
delay correction.  
window. Bass control ‘+’: ±2dB 45Hz  
to 18Hz  
Ba s s / b a s s m id ra n g e tra n s d u ce rs  
Diaphragm: 150mm dia bextrene cone heavily  
damped with pva compounds.  
Po w e r co n su m p tio n Off mode: 4W  
On mode: zero drive 120W  
full drive 400W  
Voice coil: edgewound ribbon on kapton former  
giving safe operating temperatures up to 250˚C.  
Hig h fre q u e n cy tra n sd u ce r  
Dim e n sio n s  
Height: 626mm. 860mm with stand  
Depth: 355mm. 400mm with grille  
W idth: 256mm  
Diaphragm:26mm dia. special polymide, laser  
optimised to give diminishing radiating area with  
increasing frequency.  
N e t We ig h t  
Fin ish  
30kg  
Black Ash, Natural Oak, Walnut  
Limited edition: Special lacquered finish  
B&W Loudspeakers Ltd reserves the right to amend details of the specifications without notice in line with technical developments. E & OE. All trademarks  
acknowledged.  
w w w .b w sp e a k e rs.co m  
 

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