(!!!!) (Best Pair) ECL86=6GW8 Siemens Germany NOS 1968-1969 (1.1/1.2ma and 41/46ma) Title: ECL86=6GW8 Siemens Germany NOS 1968-1969

1 pair) ECL86=6GW8 Siemens Halske Germany NOS 1968-1969

1 tube) 1.1ma Gm=1500 Triode 41ma Gm=10,500 Pentode

1 tube) 1.2ma Gm=1600 Triode 46ma Gm=11,000 Pentode

Good mA=1.0-1.2mA+and Gm=1500+ (triode)

Good mA=30-35mA+ and Gm=9000+ (pentode)

Matched on Amplitrex

recommended for:

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