Log in using the new customer accounts page.
(!!!!) (Best Overall Single) M8137=Cv4004=12AX7 Mullard box plates branded Philips NOS 1966 (Gm=1600/1700) (1.3/1.3ma) 1-2% section balance
(!) (slightly microphonic single) CV4004=12AX7 Mullard NOS 1981 (1.3/2.1ma)
(!!!!) (Recommended Single) 12AX7 Brimar BVA England narrow ribbed plates used/good 1959 (1.1/1.0ma and Gm=1450/1350)
(!!!!!) (Recommended Single) M8137=CV4004=12AX7 Mullard branded Philips box plates NOS 1966 (Gm=1500/1400 and 1.0/0.8mA)
(!!!!) (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)
(!!!!) (Slightly microphonic Single) CV4004=12AX7 Mullard box plates NOS 1981 (Gm=1400/1500) (0.8/1.1ma)
(!!!!) (Best Overall Single) CV4004=12AX7 Mullard box plates NOS 1971-1972 (Gm=1600/1700) (1.3/1.5ma)
(!!!!) (Single 1955) 12AX7 BRIMAR England shiney black ribbed plates "D" getter 1955 (1.3/1.0ma) (Gm=1800/1700) (rare)
(!!!!) (Single 1955 era) CV492=12AX7 BRIMAR England NOS black ribbed plates "D" getter 1955 era (1.1/1.0ma) (Gm=1800/1700) (rare)
(!!!) (Recommended Single 1961) 12AX7 BRIMAR England BVA ribbed plates used/very good 1961 (1.4/1.7mA and Gm=1400/1600)
(!!!!!) (Recommended Single) CV4035=M8214=12AX7 Brimar England NOS flying leads 1960's (solder leads into ckt)
(!!!!!) (Recommended Single) CV4035=M8214=12AX7 Mullard England box plates NOS flying leads 1961 (solder leads into ckt)
(!) 12AX7A Amperex by RFT East Germany NOS 1970's (Gm=1300/1400)
