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preamp schematic

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    #27 tube preamp schematic

    Hi, I have a pair of used #27 tube tested in good condition. I'd like to build a preamp with the tubes but I haven't schematic yet. Can anyone here help me to find #27 tube preamp schematic? Thank's
    • Biwado
    • Thread
    • preamp schematic tube preamp type #27 tube
    • Replies: 5
    • Forum: Tube Audio
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