POENVFPO 6J1 Bile Preamplifier, Stereo Tube Preamp Circuit Board for Enhanced Tube Playback 12V AC Input

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  • Powerful Boost Function The preamplifier DIY kit features a single 12V AC input and integrates a boost function, enabling high-voltage vacuum tube operation even under low-voltage power supply conditions.
  • Vacuum Tube Preamplifier The FE-6J1-2 Fever vacuum tube preamplifier circuit board is meticulously designed to emulate the renowned Music Fax X-10D circuit diagram. Through optimized design, its vacuum tube performance has been improved by 10% compared to the original model, with enhanced stability in operation.
  • Ultra-Clean Audio Output The preamplifier is equipped with eight 470uF capacitor filters to ensure exceptionally clear audio output without distortion. The advanced power supply system further enhances sound clarity by reducing noise and interference.
  • High-End Components The preamplifier board uses Met series non-polar capacitors, high-frequency low-impedance electrolytic capacitors, and 1% precision metal film resistors.
  • Multi-functional DIY kit This 6J1 tube preamplifier supports replacement with tubes such as 6AK5, 5654, and 6AU6. Its compact dimensions of 77x75x52 mm and power switching volume control knob make it ideal for stereo systems and DIY audio projects.

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