(!!!) (Recommended Value Pair) ECL86=6GW8 Philips Holland NOS 1968-1969 (1.0/1.1ma and 31/34ma)

1 pair) ECL86=6GW8 Philips Holland NOS same build

1 tube) 1.0ma Gm=1500 Triode  and 34ma Gm=9500 Pentode (Philips 1968)

1 tube) 1.1ma Gm=1600 Triode and 31ma Gm=9700 Pentode (RCA 1969)

- 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