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Trends Audio PA-10.1D Tube Headphone/Pre Amplifier


Trends Audio introduced the PA-10.1D Tube Headphone/Pre Amplifier. It provides all functions of headphone amplifier and pre amplifier as well have fun tube rolling. New Trends PA-10.1D includes a switchable input (CD/DAC or PC/iPod) and two inputs for targeting Bi-amp audio system below $1,000 budget. Meanwhile, it applies ELNA capacitors which result in improved transient performance, enhanced spatial accuracy and low frequency realism.

“With pure class-A circuit and low voltage hybrid (tube/transistor) preamp provides audiophile quality sound and easy/safe DIYer accessibility, new PA-10.1D Tube Headphone/Pre Amplifier is an affordable and compact hybrid pre amplifier and the economical way to enter the true high fidelity headphone system.” say David Ho, the marketing director of Trends Audio. In addition, changing different tubes to taste for different sound is the great fun for many audiophiles and also a great feature of Trends PA-10.1D. A creative device that you can use to add color to individual tracks. As the sonic differences of individual pre amplifier become more apparent to your ears, you can begin to see them as colors in your sound palette, using them on different tracks and in different settings to build a distinctive sound.”


  • Support both 6DJ8/6922 series and 12AU7 series tubes by simply switching the jumpers.
  • The innovative circuit design of low voltage hybrid (tube/transistor) pre-amp to provide audiophile quality sound.
  • 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.
  • 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 or iPhone-Fi.
  • 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
  • New stylish aluminum case (4mm thick) provides outstanding shielding & grounding capability to keeps the background silent and maximize the S/N ratio.


Model Trends PA-10 SE/GE Trends PA-10.1D SE/GE
Tube Russian 6H23n / U.S.A 12AU7 Russian 6H23n / U.S.A GE 12AU7
Audio output Capacitor EVOX cap (White) ELNA
Input Two (CD/DAC & PC/iPod) One (swithchable) (CD/DAC or PC/iPod)
Output One Two
Volume Control ALPS ALPS
Weight 380g 400g
MSRP (USD) $265 $299

Price and Availability
Trends PA-10.1D Tube Headphone/Pre Amplifier will be available in November 2011 and the suggested retail are Special Edition $299 (with Russian 6H23n tube) and GE Edition $299 (with USA 12AU7 Tube) and it may be the first and the most competitively priced Tube Headphone/Pre Amplifier for Hi-Fi and iPhone-Fi market.

See more about: Headphone Amplifier, New Headphones

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