Shengya CV-1HD 진공관 완전 밸런스드 Hifi 프리앰프 프리앰프(DSD 포함)
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Technical parameters of cv-1hd fully balanced electron tube before decoding:
1. Optical fiber and coaxial digital input: up to 24bit/192khz PCM and dsd64 (DOP)
2. USB digital input: up to 32bit/384khz PCM, dsd512
3. USB support system: apple, windows, digital player and other systems
4. Frequency response: 20Hz-20KHz (± 0.5dB)
5. Rated output voltage: 2V (unbalanced)
6. Maximum output voltage: 30V (unbalanced)
7. Harmonic distortion: <0.01% (1kHz 2V)
8. Input sensitivity: 400mV (unbalanced)
9. Signal to noise ratio: 115dB (balanced), 100dB (unbalanced)
10. Input impedance: 47K Ω
11. Volume: 446 x142 x 415 (mm)
12. Weight: 16kg
Feature:
• advanced design of dual mono fully balanced amplifier circuit is adopted, and the two channels are completely independent; In order to reduce dynamic crosstalk interference, a power transformer is used for each channel, and a transformer shielding box is specially designed to eliminate power noise interference;
• ECC83 (12AX7), ecc82 (12au7) and 5814 (12au7) special electronic tubes and supporting gold-plated tube holders are used for audio, with sweet and natural sound and large dynamic;
• class a output buffer of electronic tube with up to 30V undistorted output voltage, which can easily match many subsequent power amplifiers;
• the volume controller is a large quadruple high-precision potentiometer of Alps brand made in Japan, which has small channel error and long service life, and ensures beautiful sound quality and timbre performance. The remote control volume and audio signal input selection system are added to make users feel more convenient;
• a large number of special high-grade audio components are used in the machine, such as the German Wima brand MKP audio special film electrodeless capacitor, the German MCAP brand audio special oil immersed gold silver foil and aluminum foil electrodeless capacitor, high-precision low-noise resistance, field-effect transistor servo high-voltage precision regulated power supply, so that the sound quality and sound performance reach a very high level;
• the unbalanced signal input and output terminals are gold-plated high-grade products. The two balanced signal input and four balanced signal output terminals are Swiss Neutrik brand products, so that the audio signal can be transmitted more ideally.
• this machine has optical fiber, coaxial and USB digital input terminals. USB uses the American "XMOS" scheme, and the decoding chip adopts es9038q2m chip.
• the power input socket adopts Japanese furutech (Guhe) brand gold-plated products, and the safety tube adopts imported fever grade products.
