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PA-10 Tube Headphone/Pre amplifier

[Description] [Features] [Specifications] [Reviews] [Bi-amp] [Bias Setup] [Download] [Comparison] [Gallery] [Video] [FAQ] [Buy Now]


  • compact size, and easy/safe DIYer accessibility
  • provide all functions of headphone amplifier and pre-amplifier
  • the innovative circuit design of low voltage hybrid (tube/transistor) pre-amp to provide audiophile quality sound
  • pure class-A circuit to provide the best sound performance for headphone & tube-and-solid-state amplification system
  • support both 6DJ8/6922 series and 12AU7 series tubes by simply switching the jumpers. DIYers can easily change their both series tubes to enjoy the fun.
  • ONE bi-triode 6DJ8/6922 or 12AU7 tube as voltage amplification and TWO MOSFETs as output driver which perform the warm, comfortable tube sound and in addition, guarantee the high fidelity & sufficient driving power to the next power amplifier stage.
  • provide TWO sets of switchable audio inputs. Besides the normal CD input, the PC/iPod input with higher gain is provided for small output phono amplifier or PC/Mac/iPod.
  • Besides the normal audio output in the back panel (PA-10: One Output; PA-10.1D Two Output) , ONE headphone output in the front to drive even high-impedance audiophile-grade headphones.
  • compact design (mini-size & light weight), suitable for hi-fi room, living room, sleeping room or even right beside your laptop computer.
  • TWO precise screw-driving potentiometers for professional audiophiles to adjust the tubeļ¼Šs bias voltage to guarantee the best working point for different tubes.
  • require just a single +24V power supply ONLY, besides the bundled AC adaptor, audiophiles can apply all other power supply with the same spec., e.g. lead-acid batteries.
  • a specially designed AC power adaptor with extra low ripple & noise for Hi-Fi device is bundled for continuous power supply
  • separate pre-amp unit & power adaptor to minimize interference and flexible to apply other power sources, e.g. lead-acid battery.
  • all audiophile-graded parts and components
  • the stylish aluminium case provides outstanding shielding & grounding capability to keeps the background silent and maximize the S/N ratio.

Remark: PA-10, PA-10 SE and PA-10 GE use the same body.

1. Trends PA-10 Tube Headphone/Pre Amplifier(Single Output)
Front View Back View

2. Trends PA-10.1D Tube Headphone/Pre Amplifier(Two Outputs)
Front View Back View