Monodyn is a company in Germany that specializes in trading historical audio technology and spare parts.

We always have a large inventory of used and new goods in stock.

This includes tube radios and tube radio spare parts , glass scales , backsides,  speakers, amplifiers, tubes, cables, electronic components, transformers, output-transformers, tools, buttons , switches, solder and many more!

You are also welcome to offer us your audiophile treasures for purchase.