![KEF concerto b139 speaker bass woofer SP1044 E1475 | Speakers | Gumtree Australia Monash Area - Glen Waverley | 1314195888 KEF concerto b139 speaker bass woofer SP1044 E1475 | Speakers | Gumtree Australia Monash Area - Glen Waverley | 1314195888](https://gumtreeau-res.cloudinary.com/image/private/t_$_20/gumtree/a9c84c99-ec32-48e6-85f1-16d36dd91de9.jpg)
KEF concerto b139 speaker bass woofer SP1044 E1475 | Speakers | Gumtree Australia Monash Area - Glen Waverley | 1314195888
Big @ss subwoofer in Wisconsin / Kef B-139 driver | Page 2 | Audiokarma Home Audio Stereo Discussion Forums
![Vintage kef sp1044 oval woofer b139 sp1004 104 in perfect working and nice condition Photo #1185595 - US Audio Mart Vintage kef sp1044 oval woofer b139 sp1004 104 in perfect working and nice condition Photo #1185595 - US Audio Mart](https://img.canuckaudiomart.com/uploads/large/1185593-4de05635-vintage-kef-sp1044-oval-woofer-b139-sp1004-104-in-perfect-working-and-nice-condition.jpg)
Vintage kef sp1044 oval woofer b139 sp1004 104 in perfect working and nice condition Photo #1185595 - US Audio Mart
![KEF Electronics, Ltd., was the first loudspeaker company to use computer aided design. The KEF RAM400 had a bex… | Vintage speakers, Loudspeaker, Speaker box design KEF Electronics, Ltd., was the first loudspeaker company to use computer aided design. The KEF RAM400 had a bex… | Vintage speakers, Loudspeaker, Speaker box design](https://i.pinimg.com/originals/77/ca/80/77ca809a781fce59f609bfabe84b1df0.gif)