(!!!) (#1 EF804 PAIR) EF804 Telefunken gray shield NOS 1968 (3.0/3.1ma) 1-2% matched
(!!) (#1 EF804S SINGLE) EF804S Telefunken NOS tube was "factory sealed" early 1960's (3.9ma)
(!) (#1 EF804 PAIR) EF804 Telefunken NOS 1960's same date codes 1% matched (3.0/3.0ma)
(!) (#1 EF804 PAIR) EF804 Telefunken silver shield NOS 1960's (3.2/3.2ma) 1-2% matched
(!) (BEST EF804S SINGLE #1) EF804S Telefunken NOS 1950's (3.5ma)
(!) (BEST PAIR) EF804 Telefunken NOS 1960's same date codes 1% matched (3.3/3.5ma)
(!) EF804 Telefunken NOS made in Berlin 1955 (3.6ma) oldest single
(BEST SINGLE #3) EF804S Telefunken Kuhl-Tube cryo NOS 1960's (S)=factory selected for low noise (2.9ma)
(BEST VALUE) EF804 Telefunken low hours/like new 1960's (3.3ma)
EF804 Telefunken NOS 1960's (3.3ma)
EF804 Telefunken NOS made in Berlin 1957 (3.5ma)
EF804 Telefunken NOS made in Berlin around 1960 (3.1ma)
EF804 Telefunken silver shield NOS 1960's (2.8ma)
EF804S Telefunken used/good 1960's (2.5ma)
