USED Tungsram ECC808 twin triode. Red numbered.
Made in Hungary.
This tube is very open, fuller sound, moderately warm and very transparent and are generally characterized by very low noise microfónia. It sounds like the most expensive hi-end competitors such as NOS Mullard, RCA, Telefunken, etc.. Great dynamics, solid bass and high overtones. They are now highly sought after in the Great hifi-funs and guitarists.