Experience enhanced audio performance with the FE-6J1-2 Fever Tube Pre-Amp Board, a meticulously optimized design inspired by the Music Fax X-10D schematic. This upgraded pre-amplifier board delivers a more stable performance and a 10% increase in tube output, offering superior sound quality for stereo audio systems. Key Features: · **Optimized Circuit Design:** Based on the classic Music Fax X-10D, this pre-amp board features rational improvements for more stable operation and enhanced tube performance. · **Single 12V AC Input with Boost Function:** Efficiently powers the high-pressure tube using a low supply voltage, ensuring optimal tube operation and sound fidelity. · **High-Capacity Clean Filtering:** Equipped with eight 470µF capacitors for exceptionally clean capacitance filtering, minimizing noise and distortion. · **Advanced Power Supply System:** Four robust 470µF capacitors filter the power supply, while the tube filament is connected in series to a DC 12V power source, effectively reducing noise levels for clear audio output. · **Premium Components:** Utilizes MET series non-polar capacitors, high-frequency low-resistance electrolytic capacitors, and 1% precision metal film resistors to ensure durability and precision. The included tube is a J-class military regulation 6J1 for reliable and consistent performance. · **Versatile Tube Compatibility:** Compatible with multiple tube types including 6AK5, 5654, and 6AU6, making it a flexible choice for various audio setups. · **Stereo Channel Support:** Designed for 2.0 channel stereo sound, ideal for DIY audio enthusiasts looking to upgrade their pre-amplifier system. Specifications: · Model: 6JL Electronic Tube Preamplifier · Power Input: AC 12V 1A via 5.5*2.5mm plug (DC power not supported) · Channel Type: 2.0 Stereo · Magnification: 0.85 times amplification · Controls: Power switch and volume adjustment knob · Dimensions: Approx. 77 x 75 x 52 mm (3 x 3 x 2 in) · Package Weight: 88 g Package Includes: · 1 x DIY FE-6J1-2 Fever Tube Pre-Amp Board Kit Ideal for audio enthusiasts and professionals, this high-quality pre-amplifier board provides clean, stable power and enhanced tube amplification to deliver superior sound clarity. Upgrade your audio projects with this expertly engineered and noise-reducing tube preamp solution.