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Condition is unknown, so A$201 is hard to call a clean bargain without seeing test results and photos. For a Telefunken ECC82/12AU7, that’s around the upper-middle of the used market rather than a steal; it feels fair if it’s genuinely strong, balanced, and original, but ambitious if it’s only unverified or just “pulled.”
That said, this is a very desirable tube for good reason: low noise, excellent linearity, and the kind of refinement many preamps and line stages really show off. If it’s an authentic West German Telefunken with solid emission and matching, the upside is real. I’d want clear getter/diamond-base photos, test readings, and confirmation it isn’t a relabeled substitute before paying full ask.
Independent perspective — not a price guarantee. Always verify condition, accessories and provenance before purchase.
Telefunken stands as one of Europe's most storied audio brands, founded on May 27, 1903, as a joint venture between German industrial giants Siemens and AEG. Created at Kaiser Wilhelm II's direction to consolidate wireless telegraphy expertise, the company quickly became the continent's dominant force in radio and electronic communications. The Telefunken name itself derives from "tele" (telegraphy) and "funken" (sparks), reflected in the brand's iconic lightning-bolt logo. By the mid-twentieth century, Telefunken had established itself across multiple continents, with its radio equipment and vacuum-tube receivers earning widespread recognition for quality throughout non-communist Europe.
The brand's product heritage centers on vacuum-tube microphones and audio components, particularly its legendary studio recording equipment developed during the golden age of analog recording. Telefunken became synonymous with premium vacuum-tube technology, and its vintage microphones—especially the ELA M 251—remain highly sought after by professional recording engineers and collectors. The company also manufactured semiconductors, computers, and consumer electronics through the mid-twentieth century, though these divisions eventually declined as Japanese competition intensified during the 1960s and 1970s.
Today's Telefunken operates as a niche boutique brand focused on preserving and recreating its analog legacy. Telefunken Elektroakustik, established in 2001 in Connecticut, specializes in historically accurate reproductions of vintage vacuum-tube microphones and has expanded into modern designs that blend classic sonic characteristics with contemporary manufacturing. The brand occupies the high-end professional and audiophile segment, commanding premium prices justified by meticulous craftsmanship and deep historical authenticity. For discerning listeners and recording professionals, Telefunken represents both tangible connection to audio's golden era and continued commitment to analog excellence.
See all Telefunken listings on RADAR.
