EF800 Telefunken, true NOS/NIB, diamond , holy grail
2 in stock
Telefunken EF800/CV5092/6BX6 tube. This tube is absolutely new and in immaculate condition.
The EF800 is the milspec/professional longlife, low noise version of the EF80/6BX6.
It is the gold standard for the Miktek CV4 Mk9 Bock Audio 241, Stam Audio SA-47, Golden Age GA-47 etc.
These tubes are from the late 1960ies/early 1970ies made in the legendary Ulm factory.
You will find the Telefunken diamond <>on the bottom of each tube and the Ulm factory code on the glass.
Each and every tube will carefully be tested before shipping to guarantee best performance.
The tube is guaranteed to be new and unused from professional service stock!