![]() ![]() It also provides a degree of added dispersion and helps the treble to escape the recessed baffle. The tweeter sits behind a perforated steel brass cover initially conceived to protect the soft dome from damage when the speaker was moved around. This reflex-loaded loudspeaker has a front-firing port and a tag strip with a soldered jumper for setting up driver output on the front that is factory set up rather than in‑room. The cabinet is otherwise as per the standard design with birch ply construction and a recessed front baffle that creates a frame for the Tygan fabric grille to sit in, albeit there are squares of Velcro to keep it there. ![]() In other words, using this material for the baffle is not a big enough change for it to be outside the specification. It’s only 9mm thick like the regular birch ply version, but Panzerholz is so stiff that it’s impossible to bend this panel with your hands, which – as anyone who has picked up a piece of 9mm ply will know – is quite surprising.ĭespite this change, the SE version still qualifies as a licensed BBC design. The high rigidity and self-damping qualities of this material make it eminently well suited to an application where you want to minimise vibration and thus reduce coloration. The Classic LS5/9 SE is an upgraded version of Rogers’ standard version with a Panzerholz front baffle. But it’s the density that appealed to Whittle who, while developing a Panzerholz stand has found another application that should be even more useful to those wanting to make their music sound better loudspeaker cabinets. This is a hardcore version of plywood where the glue is replaced with resin, and the result is an extremely high-density material that is so unlike regular wood that it’s bulletproof and sinks in water. The story goes that Rogers’ designer Andy Whittle was looking around for good material to make a dedicated stand for his LS3/5A, the most iconic of BBC-designed loudspeakers and came across Panzerholz. ![]()
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