The lable marked VALVO but same as SIEMENS E82CC (Triple Mica).
Made in W.Germany by Siemens & Halske. Very balanced and detailed sounding.
One of the great version from Siemens.
Nos in original box.
Made in G.Britain by Mullard (1950s).
Clear glass, Brown base, Bottom D-Getter. Can bring to you the superb sound. Nearly same as 6SN7s family and can be replace for them BUT can be not used for replacing where the plate volate over 300V.
Nos in original box.
Made in England by Mullard.
Closed Getter version. Better than O-Getter.
Nos in original box. Matched pair are available.
Made in Holland by Amperex.
O-Getter version. Good tubes.
Nos in original box. Matched pair are available.