☆Excellent Condition☆ Vacuum Tube Preamplifier TUBE-T5C Nobsound

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I purchased this item and opened it, but it has been stored without being used.
It is in beautiful condition, but as it is a personal item stored at home, please refrain from purchasing if you are sensitive.
We appreciate your understanding.
Reference Price: ¥15,680

Quoted below:
Brand: Nobsound
Model: TUBE-T5C
Inputs: RCA x 4 systems
Outputs: RCA x 2 systems / 3.5mm headphone jack x 1
Input Sensitivity: 0.775V
Rated Output Level: 2V
Frequency Response: 20Hz-20KHz (±0.8dB)
Total Harmonic Distortion + Noise: 0.06%
S/N Ratio: ≧107dB
Tone Control Range: ±6dB
Headphone Output: 500mW@32Ω
Supported Impedance: 16-600Ω
Operating Voltage: DC12V
Unit Dimensions (W×D×H): 152×92×85mm / 5.98×3.62×3.35 inches
Package Dimensions: 285×155×110mm / 11.22×6.10×4.33 inches
Unit Weight: 827g / 1.82 lbs

Become the command center of your audio system with 4 audio source selections & 2 simultaneous outputs: Connect up to 4 audio sources such as CD players, DACs, network players, and game consoles via RCA inputs. Easily switch between audio sources with the front switch, allowing you to compare devices without plugging and unplugging cables. Furthermore, the 2 RCA outputs can be used simultaneously, allowing you to distribute audio to your main power amplifier and a sub-system amplifier, or to systems in two different rooms, dramatically increasing the flexibility of your system configuration.
Experience a rich and dynamic sound world woven by a genuine vacuum tube circuit driven by a high voltage of 180V: Unlike typical low-voltage specifications, this model adopts a genuine circuit that drives vacuum tubes (ECC83/12AX7) with a high voltage of 180V. This fully brings out the rich harmonics, depth, and expansive dynamic range characteristic of vacuum tubes.