PA-10 Tube Headphone/Pre-amp

Features

- the innovative circuit design of low voltage hybrid (tube/transistor) pre-amp to provide audiophile quality sound, compact size, and easy/safe DIYer accessibility

- pure class-A circuit to provide the best sound performance

- 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 all functions of headphone amplifier and pre-amplifier

- 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, 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 tube＊s 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.

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