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"it features an Electro Harmonix 6922 12AU7-style tube that produces a warm sound signature to brightens up music without blowing it out"
what does this even mean lol
That's what it means. Tubes have unique 2nd harmonic distortion and different linearity across types that alter sound signature. BTW 12au7 type refers to B9A 9-pin minitube socket.
So it is a 6922 or a 12AU7 ? They are 2 different types...
it is a 6922. This thing doesn’t take 12au7 due to plate voltage.
Okay great, thanks - not sure why they are confusing things by saying it’s “12AU7-style” - what does that even mean ?
Compatible with B9A tube sockets, which is just as confusing. I think they say this because 12au7 is so widely used. People familiar with it would have an idea of the tube "package" and socket fitting.