(!!!!) (Recommended Single) CV4004=12AX7 Mullard box plates NOS 1981 (Gm=1500/1600) (0.9/1.1ma)
(!!!!) (Recommended Single) CV4004=12AX7 Mullard box plates NOS 1981 (Gm=1500/1600) (0.9/1.2ma)
(!!!!) (Recommended Single) JAN-7308 Raytheon NOS 1968 (10.4/15.2ma)
(!!!!) (Recommended Single) JAN-7308 Raytheon NOS 1968 (12.5/16.8ma)
(!!!!) (Slightly microphonic Single) CV4004=12AX7 Mullard box plates NOS 1981 (Gm=1400/1500) (0.8/1.1ma)
(!!!) (Best 12AT7WC Single) JAN-12AT7WC Sylvania black plates NOS 1978 (9/10ma)
(!!!) (Best Single) 5751 Sylvania NOS 1970's (2.4/2.4ma) 1% section balance
(!!!) (Recommended Pair) 6AW8A GE NOS 1973-1976 (3.6/21.6ma and 3.2/24ma) (Shindo)
(!!!) (XF4 Pair) EL34 Mullard branded Philips NOS XF4 1975-1979 (89ma and 98ma)
(!!) 5842 Raytheon branded RCA NOS 1976 (20ma and Gm=20,000)
(!!) EF80=6BX6 RTC by EI Yugoslavia NOS 1976 (14ma)
(PAIR) 0A3 CBS NOS 1960 era same build (neon)
5651 RCA NOS 1950's (1 pair)
CV1377=GZ34 Mullard Blackburn UK NOS 1976 (read review)
