xDuoo TA-20 Tube Amp


The xDuoo TA-20 is a high performance balanced tube amplifier that is about the size of a sheet of A5 paper and saves a lot of desk space. It comes in an aluminum alloy chassis and has 12AU7 tubes along with a balanced output that delivers 2,000 mW of power. For inputs, it comes with XLR and two sets of RCA. It also has a RCA output port for preamplifier functionality. To top off all these features, the TA-20 has a Class-A transistor expansion, a custom hi-fi capacitor, and a professional volume IC. 


  • Anti-interference aluminum alloy shell
  • Removable aluminum alloy tube guardrail
  • 12AU7 tube
  • Class-A transistor expansion
  • Customized hi-fi capacitor
  • Professional volume IC
  • Balanced input and output
  • 2 sets of aux input interfaces
  • Power supply: External electricity (AC100–240V)
  • Output power: Phone: 2,000 mW (32 ohms); XLR: 2,000 mW (32 ohms)
  • Frequency response: 10 Hz–100 kHz (+/- 1 dB)
  • Gain: +18 dB
  • Distortion: ≤ 0.01% (1 kHz, 32-ohm load)
  • Signal-to-noise ratio: 115 dB
  • Headphone impedance: 8–600 ohms
  • Footprint: 5.8 x 8.3 in (14.8 x 21 cm)
  • Weight: 3.4 lbs (1.55 kg)

xDuoo TA-20 Tube Amp User Manual Download

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