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    gu81 amplifier

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    • best DIY simple GU81 Tube Hybrid Amplifier (130 watts RMS in A class)
      DIY simple GU81 Tube Hybrid Amplifier (130 watts RMS in A class)
      Other platformsOther topicstube amplifiergu81 amplifier
      userHead
      mircemk
      23190
      Medium
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