1、Excellent Sound Quality: The bench preamplifier delivers excellent sound performance with minimal ground noise, featuring a built in output guard circuit that eliminates buzzing or ringing sounds. Designed for audiophiles, it offers high fidelity sound quality with 3 adjustable equalization settings, allowing you to fine tune the tonal characteristics to well match your audio preferences. 2、Good Components: Featuring good components such as the for JWM5654 vacuum tube, for Rubycon filter capacitors, and renowned for ELNA sound capacitors, the HiFi audiophile preamplifier ensures a rich and detailed soundstage. The choice of components elevates this preamp to HiFi standards, making it a good match for high end sound systems, while providing guard for your valuable amplifier and speaker equipment. 3、Broad Compatibility: This stereo turntable preamplifier is designed to work seamlessly with 97% of available power amplifiers on the market, including reputable brands like for CAMBRIDGE, and for ENON. This compatibility ensures that you can integrate the preamp into your existing sound setup without hassle, enhancing your overall listening experience. 4、Easy Tube Replacement: With the flexibility to accommodate various tubes such as for 6J1, for 6J4, for GE5654, for 6AK5, for E180F, for EF861, and for 6688, changing tubes is a breeze. This feature allows sound enthusiasts to experiment with different tube types to further customize their sound, providing endless possibilities for sonic exploration. 5、Elegant And Rugged Design: Housed in a compact, all aluminum alloy casing, the stereo phonograph preamplifier not only looks sick and modern but is also built to last. Its sturdy construction ensures durability, making it a good addition to any home sound setup while complementing the aesthetic of high end sound gear. Item Type: Tube Preamplifier Material: Aluminum Alloy Amplification Factor: 5x Bass Treble Adjustment Range: ±6 dB Frequency Response: 20Hz-20kHz (±3dB) Distortion: 0.1% Signal to Noise Ratio: ≥98dB 1 x Preamplifier 2 x Vacuum Tubes 1 x Adapter 1 x Manual