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Valves. Brimar Mazda ECC83 grey ladders plates NOS 1962-1972

Hello!


I want to upgrade my cdplayer with new old valves ,NOS.

Does anybody know something about this valves:

Brimar - Mazda ecc83 grey ladder plates, NOS, 1962-1972.


I think, that are valves, which produced Birmar for Mazda.

Are they similar to the Mullard ecc83, NOS?

Are they playing in the same class?

What's characteristic for the valves?


Please excuse my bad English!

Thank you very much for your help!

Best regards!

Jürgen



capullus

Showing 2 responses by lewm

lewm
12,456 posts
 
There is very little tech info on the net about the Lua, but it does seem to be a very unusual piece, apparently using tubes for some functions other than as an output buffer, where the 12AX7 would not be a good choice.  Probably the 12AT7s serve that purpose.
lewm
12,456 posts
 
Sorry to divert from your specific question, but I am trying to imagine where you would use a 12AX7/ECC83 in a CD player. Typically, CDPs that use tubes, use them in a capacity that would not be well suited to an ECC83.  Are you trying to replace "like with like", or are you experimenting with changing the tube type, as well as the tube brand? If you would divulge the name of your CDP, that would help.  Thanks.
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