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Different versions of Hamburg made Valvo ecc83 through years:From left to right: november 1954, D getter with foil strip, copper rods, small hole on side--- july 1955, D getter with bigger foil strip one point welded, nickel rods, bigger hole on plate sides--- march 1956, same as 1955 but large rectangular folded getter and larger bottle--- june 1957, same features but 45ยบ big O getter.I know there is also a first version made in late 1953 early 1954 with no foil on D getter and also a last made 1958-59 with smaller o getter.greetings
Any body knows what is this valves??
VALVO 6211 made by philips heerlen factory.
These valves comes with 600 Telefunken ECC802s in a big bag which I bought long time ago.
These 6211 gold pins comes with holes on plate
have <> on bottom?
Yes, Diamond mark on bottom
the earliest ecc82 I met,made in 1949.tung-sul black plates smoke bottle.most are grey plates.
Does it sound bright and fast,I beg you don't like it
full strip is not 6211?I once saw a early version ecc802s looks like a ribbed plates telefunken ecc82,but was 19mm long plates.
Yes B329 made by Brimar
Your 6211 are full strip??
gray plates brimar 12AU7
Never interesting gray plate Brimar,only their Black Plate 82, 83, are top sounding valves
