RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.
Telefunken EF86 - Germany
Rarest Telefunken EF86 type
Ring getter with wings below
Grey smooth plate
Welded (soldered) plate
Diamond Bottom
Production Code: U.hh.00
Plant: Ulm, Germany
Similar 6267, 6F22, CV10098, CV2901, CV8068, Z729
great Sound and ultra rare
Messgerät: Beck RM1
3mA entsprechen 100%
Gemessene Werte
3.7mA (124%)
Beim Kauf bekommen Sie die auf den Bildern abgebildete und auf einem kalibrierten Beck RM1 geprüfte Röhre.
Hinweis
Vor der Messung werden von mir die Pins gereinigt, um verlässliche Messergebnisse zu erhalten.
Als Privatperson kann ich keinerlei Garantie auf den Artikel - soweit nicht ausdrücklich zugesagt - geben und weise deshalb auf folgendes hin: Sie kaufen im Rahmen eines Privatverkaufs eine Ware ohne Garantie oder Gewährleistungszusage meinerseits. Die Ware hat - sofern nicht in der Artikelbeschreibung angegeben - keine mir bekannten offensichtlichen oder versteckten Mängel. Mit dem Kauf akzeptieren Sie, dass bei Bauteilen dieses Alters und dieser Bauart Fehlfunktionen auftreten können, die mit einer statischen Messung nicht vorhersehbar sind.
Es sind noch weitere Röhren aus meiner privaten Sammlung vorhanden. Der Verkauf bezieht sich ausschließlich auf dieses bereits vorhandene Material und erfolgt ohne gewerbliche Absicht. Sobald dieser private Bestand aufgebraucht ist, werden keine weiteren Röhren mehr verfügbar sein. Keine Rücknahme.
304
Unknown condition makes EUR 90 a difficult price to justify. For an untested or merely pulled Telefunken EF86, it is ambitious: ordinary used examples often appear around EUR 15–30, while tested or desirable variants commonly land near EUR 60–100. At EUR 90, this needs clear testing and identifiable premium construction to be fair.
A good Telefunken EF86 can be a lovely low-noise, highly resolving small-signal pentode, valued in phono stages, microphone equipment, and vintage preamps. The upside is real if it has the diamond base, desirable getter/plate construction, strong emissions and low noise, ideally with a test result or original box. Without those details, treat it as a gamble rather than a bargain; negotiate toward the ordinary used range, or pay EUR 90 only for a convincingly tested, genuinely collectible example.
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.
