Do you know this brand of tube ? - I'm looking for info

[kagliostro]

I got some NOS NIB ecc82

the box are (for the most part) labeled General (NOT General Electric)

and some are labeled Adler

are those well known brands ?

thanks

Kagliostro

[FYL]

General was a re-marketer of Eastern European sourced tubes, mostly from Eastern Germany and the Soviet Union.
Some are excellent, others are crappy.

Ditto for Adler: I've seen a few of their ECCxx/12Azzz which came from RFT in Eastern Germany. Can be excellent.

[kagliostro]

Thanks FYL

precious infos

Kagliostro