6EJ7 RCA East Germany NOS 1970”s (13.5ma)

6EJ7 RCA East Germany NOS 1970”s

13.5ma

Gm=18,900

– Shindo preamp
– Klimo Beltaine 300B amplifier
– Graaf GM20
– Aitos 800Ren amp 1978
– Octave HP500 MK III preamp
– Futterman H-3-AA mono OTL