вакуумная трубка Привет-Fi аудио усилитель

Product name:Hi-Fi vacuum tube sound amplifiertechnical dataModel no.: M20type: tube audioinput impedance: 47K ohmamplifier output power: 35w plus 2output impedance: 4 ohmtotal harmonic distortion: ≤1%amplifier frequency responce: 20Hz 20KHz ± 3dBsignal to noise: ≥80DBtube model: WY3P X 4 M01Ainput level: 450 MVpower voltage: AC 220V 50-60HZ At first, the designerhadgot the inspirationfrom European old-line music culture and made it according to thevirtue of the Denmark and English top level audio design. This is a kind of model which has perfect sound and its cost performance is quite high. It can be matched together fashion furnither and then the classical European style can appear. The vacuum tube that we used on the M20 amplifier is for the tube which is manufactured by U.S. A. NOK. CO., LTD and this tube is a kind of very famous Hi-Fi level preamp in vacuum tube Hi-Fi industry. It’s one of the best pre amplifier tube which is at 35 times magnification. Its unique shape is very similar with 101D which is manufactured by very famous Western Electric company and so it has a name of small 101D. The full-aluminum material processing methods is used. The machine case is oxidated as very fashion titanium color by using anodeoxidation methods and thus its metal feeling is very strong. The panels are for the 10mm thickness aluminum plate which is using CNC methods’ production and it has very beautiful arc. Regarding the cover fo the transformer, it’s made by CNC production methods using 10mm aluminum plate. To view from the whole, our M20 is very decent and splendid. we use the Hi-Fi crystal module to amplify it and 22 times can be amplified. From the listening feeling, it’s much more natural and smooth. We use 15-25mm thickness MDF high density fibreboard to manufacture M20 speaker box. Regarding the speaker, we use very famous world-brand Denmark Vifa speaker. The Vifa brand is one of the world’s four major products. The tone can show the Denmark or the European music style and of course it’s the paradigm of Hi-Fi. Our M20’s sound is measured by Peterson who is the senior engineer from the Denmark Vifa company. The driving force of our M20 is very strong and the controlling force is very good. So the music has very good layering. But it’s in reasonable range and don’t for plump style. The music details of performance is rich and colorful. After-sales service: We are committed to long-term after-sales service, the success of which is reflected by the many customers who stay with us year after year. Our warranty and return policy: All new amplifier or speaker purchases come with 1 year warranty covering any manufacturing defects.