(!!) (Recommended Pair) ECL86=6GW8 Mullard UK branded GE and Sylvania NOS 1970 (1.5/1.2ma and 43.5/40ma) Title: ECL86=6GW8

1 pair) ECL86=6GW8 Mullard UK branded GE and Sylvania NOS 1970

1 tube) 1.5ma Gm=1800 (triode) 43.5ma Gm=10,500 (pentode) GE faded printing

1 tube) 1.2ma Gm=1800 (triode) 40.0ma Gm=10,200 (pentode) Sylvania

Tested on Amplitrex

NOS mA triode = 1.0-1.2ma+ and Gm=1500-1600

NOS mA pentode = 30-35ma+ Gm=9000-10,000

recommended for:

– Shindo Aurieges L linestage

– Headamp Aristaeus 2007
– Sennheiser Orpheus headphone amp
– TELEFUNKEN HYMNUS CONSOLE 1962
– Revox Model 40 Stereo amp made in Switzerland (by Willi Studer)
– Hammond M-100
– GRUNDIG SO 190 Ua1 CONSOLE 1962