elektrónkový slúchadlový zosilňovač a DAC Xduoo TA-01

Predám elektrónkový slúchadlový zosilňovač a DAC v jednom XDUOO TA-01 + 2x náhradná elektrónka 12AU7 NOS Tung-Sol (USA) + ECC802 S JJ electronic
SPECS: 12AU7 tube, Aluminum chassis, Dual Wolfson WM8470 DAC chips, XMOS USB chip, Supports up to 192 kHz/24-bit playback, Asynchronous USB 2.0 transmission, Transistors for class-A buffer, Supports ASIO, KS, and WASAPI modes
Inputs: USB 2.0, RCA (L, R), Output: ¼ in (6.3 mm) headphone jack, RCA (L, R)
Operating voltage: DC 12 V, Frequency response: AMP 10 Hz – 100 kHz +/- 0.5 dB; USB 20 Hz – 20 kHz +/- 0.5 dB, USB sample rate: 16 – 24 bit; 44.1, 48, 88.2, 96, 176.4, 192 kHz, Distortion: 0.03% (1 kHz)
Output power: 2100 mW (32-ohm load), Gain: +6 / +17 dB, Crosstalk: 110 dB, Impedance: 16 – 600 ohm
Overvoltage and overcurrent protection, Dimensions: 5.5 x 3.2 x 3.2 in (14 x 8 x 8.2 cm), Weight: 14.5 oz (410 g)