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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