Description

Introduction: The XZ-U701 connects various power amplifiers, headphone amplifiers, power amplifiers, and has a very low background noise. The sound of the direct heating vacuum tube is unforgettable after listening to it, and it is amazing. It has a round like bead, clear and bottomless, making it a rare good preamplifier! The unique vacuum tube appearance and MINI shape can definitely become a beautiful scenery line on your desktop. Due to the direct heat tube, the filament is the negative level, and the double tube filament is parallel. In applications, unlike other electronic tubes, there are red emitting filaments. It is speculated that in previous tank and aircraft designs, durability was considered. The anode supply voltage of this preamplifier is DC 105V, and the filament is powered by DC 2.2V, A slightly retro little red silk that reveals extraordinary features, despite its age, can still ignite the pursuit and passion for music for enthusiasts. The XZ-U701 Tube preamplifier is paired with digital audio sources such as CDs, VCDs, MP3s, DVDs, various digital players, etc. It uses electronic tube flavor to dilute or eliminate digital sound, making the sound warm and rich in music and air, thus obtaining a sweet and soft music flavor. Parameters: Input voltage: USB to DC 5V Voltage amplification capacity: about 6 times (about 15.6DB) Power input port: DC 5V (above 350mA) Anode supply voltage: DC 105V Supply voltage of filament cathode: DC 2.2V Audio input and output: Standard Lotus RCA Tube model: 2J27S SNR:>=90DB Frequency response: 20-30K Hz Size: 133mm*69mm*32mm (L*W*H) DC Plug Size: 5.5*2.5mm Weight: About 400g Packaging includes: XZ-U701 High voltage Vacuum tube preamplifier X1 USB to DC Cable X1 NOTE: We do not include a charging adapter head, you can use your computer USB or phone charging head.