Reasonable circuit structure, simple layout, no background noise. Using classic 6P6P and 6J14 vacuum tubes, the sound is sweet, warm, low-frequency is thick and dense.
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Very expensive Q-class 6Z4 rectifier tube. Adopting ShuGuang 12AU7 2. Adopting ShuGuang 12AX7 2. Input sensitivity: 300MV. The chassis is exquisite aluminum alloy CNC processing technology, very luxurious.
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Based on the classic Naim NAC52 power amplifier circuit. Japan 1% high-precision photo-cathode resistance. Assembled Board:have tested it well ! 8 BC axial capacitors.
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It is applicable to power weak signals into line-level signals. AU-10X preamplifier 1 pcs. Widely compatible with all audio devices. It is a preamp and cannot be used as a power amplifier to drive passive speakers working.
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Insipired by a classic design: the MM phono preamp is inspired by a famous British phono stage. This homage to vintage craftsmanship combines timeless aesthetics with modern functionality, ensuring exceptional audio performance. Elevate your vinyl experience: experience a gain of 240 times with a SNR of approximately 78dB, nearly the limit for vacuum tube preamps. Tested with speakers of 90dB sensitivity, the inherent low-frequency tube noise is only noticeable at maximum volume within one meter, ensuring an exceptionally clean audio performance.
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3 Groups of Stereo RCA Input: with input switch knob, can switch multi-way input signal losslessly. As a preamp, it can greatly improve the sound quality, with large dynamic, rich details, smooth and clear sound. With HiFi Sound and Tone Control: more smooth and delicate sound can be enjoyed by adjusting treble, mid and bass knob, and bypass function(turn high knob to the leftmost end) is added to turn off the tone control and enjoy original sound, adding much fun and higher playability.
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There is no preamplifier board installed in this project, you are free to add preamplifier board installation. 1 × Finished XLR preamplifier. Output: XLR 1 group, RCA 1 group. CMC pure copper gold-plated RCA, Swiss Nutrick balanced socket.
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