tezukuri-amp.org Uda 12AX7 S998/S998A, 6BX7GT ... most of beam horizontal amp. tubes (like 6DQ6B*)...

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Transcript of tezukuri-amp.org Uda 12AX7 S998/S998A, 6BX7GT ... most of beam horizontal amp. tubes (like 6DQ6B*)...