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SUCA AUDIO Tube Preamplifier for Home Audio Player Mini Hi-Fi Stereo Preamp with Treble & Bass Control (6K4 Tubes)
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
About SUCA AUDIO Tube Preamplifier For Home Audio Player
Features: 1.Compact design, space saving. 2.Optimize integrated circuit and high quality power supply to minimize the noise. 3.6K4 tube can be replaced by 6J1, 6J4, GE5654, 6AK5. 4.With Treble and Bass control function, high playability. 5.Provide warmth, dynamic,sweet sound feeling. Warm Tips: ✔It is NOT a phono preamp for turntable. To order a PHONO Preamp, please visit B07QBXV3CG or B07XHJ9ZND. ✔The preamp need to connect with a power amplifier or active speaker, can't connect with a passive speaker directly. ✔Don’t replace the tube when the power on, otherwise the tube & machine will be demaged. About the Noise Q: Why there will be a noise? A:Low-quality rca cables and power supply will generate noise; Poor connection or defective of the vacuums tubes; EMI around the machine. Q: How to Fix the problem? 1.Wireless devices arround the preamp or speaker and audio cables contact with the machine will case emi, please check.2.Turn off the machine and well connect all parts(tubes, audio cables, power supply and etc.) again. 3.Turn on the preamp, minimize the volume, if still a noise, that maybe the problem of the power supply; 4.If the noise increase simultaneously with the volume up , unplug the rca input cable. If there no noise, it is the problem of the rac input cable; If have, please check the output cable. 5.Burnning the machine/tubes for a period of time(about 48hours) may solve the problem. 6.If all above checking finish but not solve your problem, we provide 12 month replacement or refund. Specifications: Power Supply: DC 12V/1.5A Frequency Response: 20HZ -20KHZ((±3dB) SNR: 98DB THD: 0.1% Control：BASS, Treble, Volume Treble adjustment range: ±6dB Bass adjustment range: ±10dB Audio Inputs/Audio Outputs: Gold-plated RCA Package Include: 1 x Tube Preamplifier 2 x 6K4 Tube 1 x Power Supply
