(!!!!!) 12AU7 Philips Holland "O" getter halo 1969 low hours/tests like new (9.6/8.6ma)
(!!!!) (Best Bugle Boy Single 1959) 12AU7 Amperex Bugle Boy England (Mullard) long plates with "D" getter like new 1959 (12.4/9.8ma)
(!!!!) (Recommended Mullard Single) 6DJ8 RCA Mullard NOS "A" Frame getter halo 1976 (10.6/12.6ma)
(!!!!) (Recommended Single 1964) 6DJ8 Amperex Bugle Boy Holland Tektronix Checked "o" getter halo tests like new 1964 (15.5/15.6ma) 1-2% section balance
(!!!) (Single 1959) EF86 Philips Miniwatt France NOS 1959 (3.0ma) (VOX, Matchless, Bottlehead)
(!!!) 6DJ8 Amperex Bugle Boy Holland used/good 1966 (12.4/13.2ma)
(!!) (Best Holland Single 1968) 6DJ8 Pope Holland NOS 1968 (15.8/17.4ma) (high Ma and Gm)
(!!) (Best Value Single) 6DJ8 Holland used/tests like new 1965 no printing (18.6/19.6ma)
(!!) (Recommended Single) 5814A=12AU7 Hyperlec Brive France (Holland clone) NOS 1970's rebranded National (10.0/11.6ma)
(!!) (Recommended Single) 5814A=12AU7 Hyperlec Brive France (Holland clone) NOS 1970's rebranded National (11.8/12.2ma)
(!) 6DJ8 GE NOS coated glass 1978 (17/19.8ma)
6DJ8 Amperex Bugle Boy Holland used/like new 1964 (read review)
6DJ8=CV5358 Holland A frame used good 1971 (9.6/10ma)