Noval B9A 9-Pin base 6EA8 (=6U8A/ECF 82) Trio./Pent.
...

Noval B9A 9-Pin tube-valve-base-Röhrensockel
ECF 82Ei(=6U8, 6KD8) Trio./Pen.
ECF 82Ei...

...

Noval B9A 9-Pin tube-valve-base-Röhrensockel
can be used in most ECF80 or ECF82 Audio Amplif...

Noval B9A 9-Pin base 6F2 China (=ECF 82) Trio./Pent.
...

Noval B9A 9-Pin tube-valve-base-Röhrensockel
ECF 82Philips (=MAZDA, =ADZAM)
ECF 82Ei(...

Noval B9A 9-Pin tube-valve-base-Röhrensockel
ECF 82RFT Triode/Pentode
...

Noval B9A 9-Pin base
High Grade Version of the 6EA8-6U8A-ECF 82 Triode/Pentode
...