EF11 RSD Germany NOS 1950's (6.1ma) (tested on Amplitrex)
EF11 Telefunken Germany used/very good 1949 (5.6ma) (tested on Amplitrex)
EM34=CV394 Mullard Germany NOS early 1950's (1 in stock)
RV12P4000 Valvo Germany used/like new WWII era 1945 (1 in stock)
