5x SIEMENS / Telefunken EF804S audio tubes for V72 / V76 / Klangfilm - EF 804 S | #291162148
EF804S Telefunken Germany Ulm Röhre matched pair,same codes NOS tested | eBay
5x SIEMENS / Telefunken EF804S audio tubes for V72 / V76 / Klangfilm - EF 804 S | #291162148
EF804 Telefunken NOS made in Berlin around 1960 (3.1ma)
EF804S Telefunken Germany <> bottom like new 1960 era
Preamp tubes
EF 804, Tube EF804; Röhre EF 804 ID400, Vacuum Pentode | Radiomuseum
Telefunken EF804S Tube used, tested | SonicWorld Audio Shop
Preamp tubes
NOS Tube Store: TELEFUNKEN EF804S (<>)
Very rare single tube Telefunken EF804S ULM Germany Amplitrex AT1000 tested NOS | eBay
EF800 TELEFUNKEN EF860 EF80 PENTODE VALVE AUDIO PREAMPLIFIER QUARTET
1955 BERLIN Telefunken EF804 SINGLE Telefunken Diamond tube for V72 Preamp | eBay
Telefunken EF804S NOS | eBay
Telefunken EF804 Tube NOS / NIB Sealed
EF804 Telefunken / NOS / NIB
EF804S Telefunken Germany <> bottom used/good 1965 (2.1ma) (V72 mic) - Tube World Express | Beatles albums, Ac heating, 10 things
