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Production of German Highend’s raw silver conductors—they also make interconnects, not just speaker cables—is in the hands of an Austrian specialty firm though Jörg Erwin was quick to stress that this production process incorporates their own ideas. The same is true for parts of the tooling and equipment which heat, draw and polish the wire. Clearly defined and controlled heating and cooling processes have a direct impact on the optimal crystal lattice i.e. the ‘growing’ or lengthening of molecular junctions which impact material properties. Heating is by electronic induction, cooling by nitrogen.
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The dielectric extrusion of the Austrian conductors occurs in-house in Hannover. So does application of the protective outer sleeving, the final terminating and high-voltage break-in. One exception is the interconnect. Its dielectric is applied by Nürnberg firm Leoni, albeit again "with our own extrusion gear" as Jörg Erwin assures us.
As though for a boutique maker like German Highend that weren’t freaky enough, even seemingly little things like hollow bananas and spades get the same bespoke treatment. The raw material is "a sonically state-of-the-art type hardened pure silver" again from Austria which is worked into the final shape... guess what, in-house again. Talk about control freaks.
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