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5879 RCA triple mica "D" getter halo used/tests like new (1.7ma)
5879 RCA triple mica "D" getter halo used/tests like new (2.0ma)
7C6 Sylvania branded CBS Hytron NOS 1952 (23/15)
7F8W Sylvania NOS rebranded United 1952 (42/25 and 44/25) (best 7F8W)
(!!) JG-12AY7 GE "D" getter 1956 used/good (2.1/2.3ma)
E90CC Philips Miniwatt SQ Holland Pinched Waist "D" getter halo 1957 (7.4/7.8ma)
12B4A RCA NOS 1960's (31.5ma)
6AG5 GE "D" getter NOS 1955 (7.6ma)
(!!!!) (Best Single 1957) ECC83=12AX7 Mullard UK long plates "D" getter NOS 1957 (mC1 series) (1.1/1.3ma) (rare)
ECC83=12AX7 Mullard UK BVA long plates "O" getter like new 1958 (f91 series) (1.2/1.2ma)
(!!!) 12AU7A GE "U" getter low hours/tests like new 1957 (10.0/8.8ma)
(!!!!) (Best Single) 12BH7A GE ribbed plates NOS 1980 (10.0/10.2ma) 1-3% section balance
(!!) (Good Value) EF86=CV2901 Mullard Blackburn UK "D" getter used/good 1959 (2.4ma)
(!!!) 12AX7=ECC83 Mullard UK "long plates" with "D" getter used/50-60% (0.6/0.7ma Gm=900/1000 - low Gm) (mC1 series)
(!!!) (single) ECC81=12AT7 Philips Miniwatt by Mullard UK like new "o" getter 1957 (8.2/7.6ma) (Mitcham plant)
(!!!!) (Single) 12AX7 RCA Motorola black plates "D" getter used/good 1956 (0.9/1.0ma)
(!!!) (SINGLE) 12AU7 RCA tall black plates "D" getter used/good 1950's (9.8/8.2ma)
(!!!) (2nd Best GE Pair 1956) JG-6021 GE NOS "D" getter halo 1956 (6.3/5.9ma and 5.7/6.2ma) (mil-grade)
(!!) (Single) JAN-5670W GE used/good 1970's (6.8/6.0ma)
(!!!!) (Single) 12BH7A Sylvania Silvertone gray oval plates large "O" getter halo 1960 era NOS (11.5/10.6ma)
