(!!) 7025 Westinghouse "D" getter 1960 era used (Gm=1200/1300)
(!) 12AX7A GE used/good 1981 (Gm=1250/1250, 0.6/0.7ma)
(!) 12AX7A GE used/good 1981 (Gm=1250/1350, 0.6/0.8ma)