Röhre EC86-EC806S-E86C-6CM4

Noval B9A 9-Pin tube-valve-base-Röhrensockel
E 86C (=EC 866, High End EC 86)
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Noval B9A 9-Pin base EC 86 (=6CM4, 6T2) Triode
check Russian 6S4P as cheap alternatives

Noval B9A 9-Pin base 6S4P (~EC 86) Russia Triode
close to EC 86, 5842, WE417 tube but differe...

Noval B9A 9-Pin base
rare type, close to E86C and EC86
EC 806S Triode mostly brand AEG...

Noval B9A 9-Pin base
close to EC 86 but different Pinout
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