Rare 4 Ohm Kef B139 TS1212 "race" woofers Photo #266298 - US Audio Mart
KEF B139 SP1044 fs 43Hz? | diyAudio
KEF Calinda Vintage Speakers
KEF SP1044 B139.B Speaker | ScottBouch
KEF B139 as subwoofer | Page 3 | diyAudio
Used KEF B139 Subwoofers for Sale | HifiShark.com
Everyone, meet my new girl, (Janie5, SM Labs, lol) Rogers Labs early Summit Elan Series modded with a Kef B139 belly and a phat rear facing Klipsch Tangent Passive inverted surroud 12"