(19)
(11) EP 2 963 944 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.01.2018 Bulletin 2018/02

(43) Date of publication A2:
06.01.2016 Bulletin 2016/01

(21) Application number: 15157053.8

(22) Date of filing: 27.02.2015
(51) International Patent Classification (IPC): 
H04R 1/28(2006.01)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME

(71) Applicant: GP Acoustics (UK) Limited
Maidstone, Kent ME15 6QP (GB)

(72) Inventor:
  • Oclee-Brown, Jack
    Tonbridge, Kent TN12 6AE (GB)

(74) Representative: MacLean, Martin David et al
Downing IP Limited Grosvenor House 7 Horseshoe Crescent
Beaconsfield, Bucks. HP9 1LJ
Beaconsfield, Bucks. HP9 1LJ (GB)

   


(54) Loudspeaker bass reflex system


(57) An acoustic insert (6) for lining a loudspeaker reflex port (4), the insert (6) comprising an elongate hollow tube formed of a flexible material, having an outer wall sized and configured to seat within the port (4) and an inner wall extending in the elongate direction, the inner wall having a circumference which varies along the length of the insert. When inserted in a port (4), the insert (6) alters the port resonance so as to vary the acoustic performance of the loudspeaker.







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Search report