These valves have a very clear and rounded performance and offer excellent sound quality.
These valves have also proved very popular in tube microphones because of the well balance soundstage.
The Tesla E88CC is very well made with internal grey anode supports with double support under the round halo getter.
The Tesla E88CC is virtually identical to the German Siemens E88CC valve in construction.
It also has the same sound characteristics producing a nice treble clarity with a dynamic smooth midrange with a tight low end.
The design is special, with low noise. Military special version "32" Cross Sword
These valves are from the Trintec factory and have the factory code of 37 on the glass with the original Tesla print.
Tubes are matched in pairs on professional equipment with a minimum spread of parameters.
This is the best version of the series of triodes designed specifically for sound amplification.
Extremely high quality audio tubes for Hi-Fi / High-End.
Old TESLA, this is excellent!