Reminder: Please pay attention to the following matters when using R-800i machine!   1. The temperature of the machine is high during working, please do not approach or touch the tube with your hands to avoid being burned, especially if there are children, please pay more attention! If all the tubes are turned off and unplugged after warming up ( want to change tubes ), they  must wait 10 minutes  before they can be plugged in. If they are not used for a long time, they...

Two colors are available: Black and Silver Willsenton R8 is an integrated Amplifier, it is a Power Amplifier too (there is a group Power amp input), it is a Headphones amp too.  One amplifier can used wiht tube EL34, KT88 or 6550, so, you can get 3 kinds of sound from different models tubes if you buy more 2 new sets of tube.  Triode and ultra-linear Switchable.    Normal we suggest customer choose the upgraded tubes version Features  • Pure hand-made, the whole...

Model: P1688Signature technical parameter： Total gain: 20dB Electronic tube: 101Dx2, 6SN7x4, 5U4 x1 Frequency response of the whole machine: 3Hz~100KHz Signal to noise ratio 85 dB Harmonic distortion: 1% (1kHz) Input impedance: 100k Ω Output impedance: 30k Ω Power supply voltage: 230V ± 5% (50Hz) Power consumption of the whole machine: 60w Overall volume: 440X220X380MM (length x height x width) Net weight: 24KG   ​

Willsenton R300B Tube Amplifier 300B*2 Single-ended Class A Integrated Amplifier & Power Amplifier & Headphones amp All in One 100% Brand New Willsenton R300B is an integrated Amplifier, it is a Power Amplifier too (there is a group Power amp input), it is a Headphones amp, too. All items guaranteed 100% BRAND NEW in the original edition Box. ONE-YEAR WARRANTY !!! Features: Single-ended pure Class A tube Integrated amplifier The body of Willsenton R300B use classic blue piano paint....

What is carbon fiber diaphragm? A new generation of expensive diaphragm closer to the sky high diamond diaphragm As the name suggests, it is a horn unit diaphragm made of carbon fiber. The ideal diaphragm needs to have the characteristics of light weight, large Young's modulus, pleasant damping and small split vibration. The key point is that the forward and backward delay of vibration should be appropriate. Carbon fiber material, with molecular structure similar to diamond, has high rigidity,...

We have 3 tube version for you to choose:  Shuguang brand tubes Russia EH brand tubes  Czech JJ brand tubes Features Inspired by Shigeru Wada circuit, using SRPP circuit replace the cathode follower Marantz 7 circuit. SRPP output stage has no voltage amplification and only used as a buffer stage, its load capacity is stronger. HiFi clear, transparent sound brings better listening experience., voice is fantastic, high frequency is more delicate,...

China Audiophile 2A3 Hi-end Stereo Vacuum Tube Integrated Amplifier Hi-Fi Single-Ended Class A Power Amplifier Features   100% New In Box 6N8Px2 2A3x2 5Z3Px1 for Output HI END POWER SUPPLY The amplifier sounds like a best single-ended tube amp should, detailed, warm and crystal clear. sweet , Powerful sound special good for using in a big indoor area. Enjoy extremely good sound it provide while enjoying wine at home any time when youu owned it. Such a wonderful life. Two triodes can be...