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40
Description
Drive units
System frequency response
Low-Pass Filter
High-Pass Filter
Internal Volume
Dimensions
Net Weight
Finish
ASW
™
4000
THX is a registered trademark of Lucasfilm Ltd. B&W Loudspeakers Ltd.
reserves the right to amend details of the specification without notice in line with technical developments.
Copyright © B&W Loudspeakers Ltd. Printed in England.
B&W Loudspeakers Ltd, Meadow Road, Worthing, BN11 2RX Tel: +44 (0) 1903 524801 Fax: +44 (0) 1903 524725
http://www.bwspeakers.com
Active vented-box subwoofer
One 380mm (15 in) dia long throw with magnetic shielding
±3dB 17Hz - 40 / 140Hz adjustable (Line In)
±3dB 17Hz - 250Hz (Decoder In, EQ at ‘B’)
±3dB 24Hz - 250Hz (Decoder In, EQ at ‘A’)
Amplifier Power output 450W continuous
Input impedance 22kW
Sensitivity 88dB spl at 1m for 100mV input
(Decoder input, level set to centre detent position)
Signal/Noise 90dB
Functions Line input level
Decoder input level
Decoder input equalisation
Phase 0/180
Inputs Line In (RCA Phono)
Decoder In (RCA Phono)
Speaker Level In (Binding Posts)
Outputs Line Out (RCA Phono, h-p filtered)
Link Out (RCA Phono)
Speaker Level Out (Binding Posts, h-p filtered)
Active 4th-order variable cut-off 40Hz - 140Hz (Line In)
fixed cut-off 250Hz
Line Level active 3rd-order at 80Hz
Speaker Level passive 1st-order at 80Hz into 8W resistor
(Response using speaker level connections
dependent on satellite impedance)
100 litres (3.6 cu ft)
Height: 580mm (22.8 in)
Width: 610mm (24 in)
Depth: 580mm (22.8 in))
75kg (165 lb)
Cabinet: Real wood veneers of Black Ash,
Cherrywood and Red Stained Cherrywood
Grille: Black cloth
I4840