※It is inexpensive because it leaves cracks in the VOL. A headphone amplifier that allows you to enjoy the sound of 2 systems: a vacuum tube and a transistor. It has a built-in USB DAC compatible with 24 bit 96 kHz, and it is a blissful item that allows you to immerse yourself in both digital and analog worlds to your heart's content. Scratches on the transformer area are slightly noticeable. Serial 12060066 (Fujisawa Yukishi)
Maintenance information: 2024.6.3 operation confirmed (sound output OK, gaps remain in VOL)
Accessories: instruction manual, power cord
Main specifications: Vacuum tube using a class single headphone amplifier 6BM8 x 2 vacuum tube output 20Ω to 600Ω (45mW to 135mW) transistor output 12Ω to 300Ω (40mW to 135mW) frequency characteristics 10Hz to 50,000 Hz SNR 89dB power consumption 30W size W190 x H150 x D250 mm mass 4.7 kg
The price has been reduced. 2023/6/1 sales price 25,000 yen A fully discrete genuine analog amplifier designed with an amplifier using a total of 10 pairs of carefully selected transistors without using an operational amplifier. It's lightweight, compact, and useful for portable applications. The exterior has scratches and scratches on the main body (Mizusaki Ryo)
Maintenance Information: 2023.6.1 Sound output confirmed
Accessories: AC adapter, USB cable, silicone band, carrying case, original box
Main specifications: input 3.5mm mini terminal output 3.5mm mini terminal input impedance 30kΩ output 200mW (32Ω) 100mW (50Ω) 50mW (300Ω) 15mW (600Ω) W97 x D46 x H19 mm (including volume knob) weight approx. 117 g