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Tube amplifier for headphones

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  • Tube amplifier for headphones

    Hello! I would like to build an amplifier for headphones. I've found several popular schemes in the Net:
    LONE WOLF BLUES COMPANY
    HeadWize - Project: The Morgan Jones Mini Tube Headphone Amplifier by Chu Moy
    DIY 12AU7 (ECC82) Tube - IRF612 MOSFET Hybrid Headphone Amplifier
    Which of these schemes will you recommend for optimal work with headphones with resistance of 32 ohms?

  • #2
    all fine products, I had always been attracted to Pete Millet's Jonokuchi headphone/mini-speaker amp
    Jonokuchi desktop amp

    custom transformers at Edcor
    EDCOR Electronics Corporation. PM-101

    pcb on ebay
    DIY PCB - "Jonokuchi" tube headphone / speaker amp | eBay

    there are MUCH cheaper kits from HK but this one is very good

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    • #3
      Is the transformer circuit will sound better? The transformer provides the most distortion.

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      • #4
        32 ohms is low for headphones. So a transformer circuit will work better than an OTL.

        If you are concerned about too much distortion, don't use tubes!
        "Enzo, I see that you replied parasitic oscillations. Is that a hypothesis? Or is that your amazing metal band I should check out?"

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        • #5
          Why 32 ohms enough?

          I work with a conventional vacuum-tube amplifiers, and, if possible, try to remove all the components that increase the distortion. Of course, in an amplifier that runs on a powerful sound system, you need a high output transformer. But the headphones require a small power output. Do not have a transformer and is better than high-quality condenser?

          Or build a circuit with transformatorm, and a friend - no transformer and compare them. Did anyone right?

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