(!!!!) (Best Pair) ECL86 Mullard UK NOS 1966-1973 (1.8/1.4ma and 37.2/37ma)
(!!!!) (Best Pair) ECL86=6GW8 Philips Holland NOS 1968 (1.1/1.2ma and 40.5/44ma)
(!!!!) (Best Pair) ECL86=6GW8 Philips Holland NOS dimpled disc getter halos 1968 (1.6/1.7ma and 36/41ma)
(!!!!) (Best Pair) ECL86=6GW8 Siemens Germany NOS 1968-1969 (1.1/1.2ma and 41/46ma)
(!!!) (Recommended Pair) ECL86=6GW8 Philips and Philips Miniwatt Holland NOS 1965-1970 (1.1/1.3ma and 27/26ma)
(!!!) (Recommended Pair) ECL86=6GW8 Philips and Philips Miniwatt Holland NOS 1967-1969 (1.1/1.5ma and 28/31ma)
(!!!) (Recommended Value Pair) ECL86=6GW8 Philips Holland NOS 1968-1969 (1.0/1.1ma and 31/34ma)
(!!) (BEST SINGLE) ECL86=6GW8 Mullard branded POPE NOS 1964 (1.2ma and 43ma)
(!!) (Recommended Pair) ECL86=6GW8 GE and Philips by Brimar UK NOS 1968 (1.4/1.0ma and 31/33ma)
(!!) (Recommended Pair) ECL86=6GW8 Mullard UK NOS 1964 and 1973 same build (1.5/1.3ma and 31/30ma)
(!) (BEST VALUE) ECL86=6GW8 Tungsol Germany NOS 1960's (1.2ma and 27ma)
(!) ECL86=6GW8 Philips Miniwatt made in Canada 1964 used/good (1.2ma and 27ma)
ECL86=6GW8 Westinghouse Toshia Japan NOS 1972 pins cleaned of oxidation (1.4ma and 35ma)