(!!!!) (Best 5814 Single) JG-5814 GE NOS "short wide ribbed black plates" 1953 (11.2/12.0ma) (High Ma and Gm)
(!!!!) (Best Pair) JTL-5814A Tungsol ribbed plates 1959-1960 (10.6/10.0ma and 10.0/10.4ma)
(!!!!) (Recommended Pair) 5814A Philips JAN NOS 1985 (9.0/10.4ma and 9.0/10.7ma) 1-2% matched
(!!!!) (Recommended Philips Pair) 5814A Philips JAN NOS 1985 (9.5/10.5ma and 10/11.2ma) (same Gm)
(!!!!) (Recommended Single) JHS-5814A Sylvania NOS short-wide-ribbed-dark black plates, triple mica, D getter halo 1956-1957 no printing (11.2/11.8ma)
(!!!) (Best 5-Star) 5814A=12AU7 GE "5 STAR" NOS 1970 (10/11.2ma)
(!!!) (Best Value Single) 5814A GE 5 STAR "O" getter NOS 1960's faded printing (9.6/11.8ma)
(!!!) (Good Value) JG-5814A GE triple mica "U" getter halo like new 1955 in white box (8.8/9.6ma)
(!!!) (Recommended GE) JG-5814 GE NOS "square getter halo" and "short wide ribbed dark gray plates" 1953 in white box (9.6/10ma) 1-3% section balance
(!!!) (Recommended Pair) JAN-5814A Philips by Sylvania NOS 1975 (8.8/9.0ma and 8.6/9.2ma) 1-2% matched
(!!!) (Recommended Single) 5814A GE "5 STAR" with "O" getter halo 1963 (10/14ma)
(!!!) (Recommended Single) JAN-5814A RCA black plates NOS 1966 (9.8/11.4ma)
(!!!) (~ Recommended Tube ~) JG-5814 GE NOS "square getter halo" and "short wide ribbed dark black plates" 1953 in white box (11.0/12.5ma)
(!!!) (Best Single 1980's) JAN-5814A Philips NOS 1985 (12.6/13.2ma) (same Gm)
(!!!) JAN-5814A Sylvania NOS 1967 (8.4/9.2ma)
(!!!) JAN-5814A Sylvania NOS 1967 (8.6/11.2ma)
(!!) (Recommended Single) 5814A=12AU7 Hyperlec Brive France (Holland clone) NOS 1970's rebranded National (11.8/12.2ma)
(!!) 5814A RCA black plates used/good 1964 (7.2/8.4ma)
(!) (Slightly microphonic) JG-5814A GE NOS triple mica "U" getter halo 1956 (10.2/10.4ma) 1-2% section balance (high Ma and Gm)
(!!) JG-5814A GE NOS 1965 (9/10ma)
