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Audion (Südfunk) appears to be a German audio brand, as suggested by the 'Südfunk' designation which translates to 'South Broadcasting' in German, indicating potential origins in German broadcasting or radio technology. The brand name 'Audion' refers to an early vacuum tube technology, suggesting the company may have specialized in tube-based audio equipment or had historical connections to early radio/audio electronics. However, extensive research has not revealed current business operations, website presence, or accessible company information. The brand may have been active during earlier periods of audio technology development but appears to no longer maintain active operations in the current market. Without verifiable documentation or current market presence, the company's specific product focus, operational timeline, and current status remain unclear. Audion (Südfunk) is presumed to be defunct in today's audio industry.