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Was wondering if anyone knew what each of the preamp tubes (4 12AX7, 1 12AU7) does in the amp. Is there one or two tubes that are more important to the sound than the others? Just wanted to know in case I decide to swap out some or all of the tubes...
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Topic - preamp tubes for Harman Kardon A300 - 8eyedspy 09:06:21 09/09/03 (0)