(!!!!!) (Best Pair #1) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 32.5ma/32.5ma) 1-2% matched
(!!!!) (2nd Best Single) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.1/36.5ma)
(!!!!) (Best Pair #1) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 44ma/45.5ma) 1-3% matched
(!!!!) (Best Pair #1A) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 36ma/36ma) 1-3% matched
(!!!!) (Best Pair #2) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.1ma and 33ma/31.5ma) 1-3% matched
(!!!!) (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)
(!!!!) (Best Single) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.3/41ma)
(!!!!) (Best Value Pair) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (0.8/0.9ma and 36.5ma/40ma) 1-5% matched
(!!!!) (Pair) ECL86=6GW8 Siemens Halske branded Telefunken Germany NOS 1971 (1.0/1.3ma and 43ma/44ma)
(!!!!) (Recommended Pair) ECL86=6GW8 Mullard branded POPE and RCA NOS 1964-1965 (1.2/1.0ma and 43/38ma)
(!!!) (Best Single) ECL86=6GW8 Siemens Germany branded RCA NOS 1964 (1.0ma and 39ma)
(!!!) (Good Value Single) ECL86=6GW8 RCA by Siemens Germany NOS 1963 (1.5ma and 36ma)
(!!!) (Recommended Pair) ECL86=6GW8 Philips and Philips Miniwatt Holland NOS 1965-1970 (1.1/1.3ma and 27/26ma)
(!!!) (Recommended Value Pair) ECL86=6GW8 Philips Holland NOS 1968-1969 (1.0/1.1ma and 31/34ma)
(!!) (BEST SINGLE) ECL86=6GW8 Brimar UK branded GE NOS 1977 (1.2ma and 44ma)
(!!) (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)
