Hi all, Happy New Year. Hope all is well.

I havent posted in a while, many builds and projects have been completed in the meantime.

Anyway, i am rebuilding and customizing a J Bass and found these pots in it. Never seen or heard of A and B 504 pots ! Does anybody have info on them please and if they are worth keeping or replacing with A500K or A1000K pots please ?

Regards,
Naim.

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