This 100m speaker cable is a rare find, featuring twin wire with a gauge of 18 AWG. It is designed for use with Siemens products , made by SIEMENS in the end 1940ies  and is compatible with a variety of models. The cable has open ends- 320ft length .
The insulatiojn is a kind of gum and cotton . Perfect for home audio setups or as an addition to your audio cables and interconnects collection, this Siemens cable is sure to deliver high-quality sound. 
diamter is 1.00mm = AWG18  , 8 stranded steel conductors and 1 tinned copper core in each line .
Its 1940s vintage design adds a touch of retro style to any system.
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