(!!) EF184 Siemens Germany NOS 1967 (7ma)
(!!) EF184 Siemens Halske branded Zenith Germany NOS 1969 (9.4ma)
(!!) EF184=6EJ7 Mullard UK in Kradlepack box 1969 (9.7ma)
(!!) EF80=6BX6 Mullard UK "D" getter NOS 1963 faded Mullard logo (10.6ma)
(!) (#1 6CW7 Best Single) ECC84=6CW7 Mullard branded Philips Miniwatt Holland 1962 (10.6/11.0ma)
(!) (Best Single) F2a Siemens NOS 1960's (112ma) Tested on Amplitrex (pairs sold out)
(!) (Best Value Pair) ECC84=6CW7 Ultron East Germany by RFT 1970's 2-3% matched (9.6/11.6ma and 9.0/11.0ma)
(!) (Best Value Single) ECC81=12AT7 Siemens Halske Germany "D" getter 1960 era used/good (8.8/7.5ma)
(!) (Best Value) 12AT7WA Raytheon black plates - triple mica - O getter halo 1965 era like new (8.5/9.2ma)
(!) (Good Value Single) ECC85 Siemens Halske Germany branded RCA NOS 1969 (9.2/8.6ma)
(!) (Good Value Single) GZ34=5AR4 Philips Mullard used/good 1975 (56/40 and 56/40)
(!) (Recommended Single) 6GM8=ECC86 SIEMENS HOLLAND NOS 1970 (4.0/5.0ma)
(!) (Recommended Single) PCC88=7DJ8 Tesla NOS 1968 (12.5/15.5ma)
(!) (Recommended Single) PCC88=7DJ8 Tesla NOS 1968 (13.2/14.0ma)
(!) (SINGLE) ECC85=6AQ8 Sylvania black plates NOS 1960's (10.2/10.4ma)
(!) (SINGLE) ECC85=6AQ8 Sylvania black plates NOS 1960's (12.2/9.8ma)
(!) (SINGLE) ECC85=6AQ8 Sylvania black plates NOS 1960's (8.4/14ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (11.5ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (12.2ma)
(!) (SINGLE) EF184 Philips Mullard UK NOS 1965 (15.2ma)
