Building a 15-inch jensen / onken bass reflex loudspeaker: in order to achieve an optimal quality (qtc=0.707), the so-called thiele aligement (n) is used - usually n=5.7; the total area of the tunnels is about 90% of the total area of the active diaphragm surface in the best case. moved air masses behind the driver and in the tunnels should be. One of the major assets of an onken enclosure is the way the vents acted as a an incredibly well braced, almost constrained layer, cabinet wall -- this was the 1st thing i realized on seeing my 1st onken in an audax project pamplet in the late 70s (the design actually goes back to the jensen ultraflex).. Many may not have had the opportunity to see an onken enclosure. in a time when consistent materials were not available, the onken enclosure was devised. in fact, the original patent for a bass reflex enclosure, uses the onken style of cabinet as an example (apparently the first occurrence of it mentioned anywhere)..
Diy chicken coop plans video fender 2x12 cabinet plans kreg router table plans pdf gun safe coffee table plans event planning table setup mission dining room table plans mesa thiele cabinet plans 412 cabinet plans lego coffee table plans pair adirondack chair plans make a cheap table from plywood plans building an end table plans ladder back. Hi all, anyone has a detail copy of the onken cabinet plan? the one shown in one of the early issue sound practices missed out some measurements on the port.. Oncken & son's specializes in fine custom cabinet design, building and installation for residential and commercial clients in san antonio and surrounding areas..
