Dipol ht design by PrintMaster3d.

Ripolbass wih 6x 10"Peerless sls 263 drivers.
http://www.europe-audio.com/Product.asp?Product_ID=5046

the rear of the loudspeaker

Picture taken from above showing the back of the speaker with crossover

Inside of ripol

Inside of ripol with drivers,

More drivers.

Slot loaded open baffles "SLOB" also called Ripol by Axel Ridtahler as that first came up with the idea.

Yours sincerely

Jan Erik Halvorsen