Auction is for one (1) tube, rare EF804S Telefunken pentodes made in West Germany, factory selected for low noise with diamond bottom, rebranded Siemens, from never opened Siemens boxes.
NOS NIB, diamond bottom, <> bottom, all the same codes. These are real low noise pentodes, nicely selected and matched from big batch.
I collect tubes and tube gear for more then 30 years and I start to sell recently, please be sure to check my other items and visit my store for more rare NOS tubes and parts.
If you buy any item on ebay from me and for if you are not fully satisfied for any reason or have any complains, please send me message before leaving negative or neutral feedback or opening a case. I really do care about your satisfaction and I’ll do my best to solve any kind of problem.
I have more than 200000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.