Kits Board Refer-Accuphase C-3850 Class-A Preamplifier Hi-Fi Audiophile Low Distortion for DIY Upgrade Audio Systems

This C-3850 Class-A Preamplifier Board is designed for Hi-Fi audiophiles who pursue high-quality sound. It copy a replica of the classic Accuphase C-3850 circuit structure with Class-A amplification, delivering low distortion, high dynamic range and delicate sound performance.Equipped with low-noise transistors, audio-grade capacitors, precision resistors and high-quality PCB, this preamplifier board effectively reduces noise and interference. It is fully pre-assembled and tested, easy to install with standard power and audio interfaces. Suitable for DIY audio projects, home audio systems, amplifier upgrades and studio monitoring, it provides clear treble, smooth midrange and solid bass, restoring the original details of music.Specifications: Type: Class-A Preamplifier Board Circuit: Replica-Accuphase C-3850 Working Voltage: AC±12V – ±18V (Best AC±15V) Input Impedance: ≥47kΩ Output Impedance: ≤600Ω THD: <0.01% (1kHz, 1Vrms) Frequency Response: 20Hz – 20kHz PCB Size: approx. 93x77x1.6mm

• Authentic copy-Accuphase C-3850 circuit replica with Class-A amplification design for warm, detailed, high-fidelity sound.
• Premium Hi-Fi components including low-noise transistors, audiophile-grade capacitors and precision resistors for ultra-low distortion.
• Wide compatibility for home audio, amplifiers, studio monitors, vintage audio modification and Hi-Fi systems.
• Strict aging test and optimized circuit layout ensure stable performance and long-term durability.
• Welding is simple: there is a detailed product list and explanatory diagram. for easy DIY audio system upgrade.