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Brand new LINLAI E-845 Vacuum Tube Audio Valve Replace 845 for Tube Amplifier HIFI Audio Amplifier Kit DIY Factory Precision Match Quad
E-845 E-211 is made of a new type of metal molybdenum base alloy carburizing screen (commonly known as metal screen), and adopts a fully fastened solderless connection process. It has extremely high heat dissipation and thermal stability. The performance and quality of the metal screen E-series power tubes made of this special material exceed that of the traditional graphite screen products. Compared with the graphite screen, the filament emission capacity is strong and there is no pollution. In order to reproduce the magnificence and atmosphere of the sound field, the outer diameter of the glass shell is increased. The main parameters of E-845 are measured on the electronic tube test scanner imported from Germany: high voltage 1050V, screen current 100mA, undistorted output power 25w when the screen consumes 100W, signal to noise ratio 96db, and white noise 0.01mv of the tube.
Suggestion:
When it is used as a power tube for a single end output bile duct machine: the high-voltage 1000V screen current is adjusted to about 65mA, the screen loss is controlled at 60 to 70W, the sound is the best, and the output power is about 16W.
After the completion of parameter and aging stability tests, E-845, RCA845 and Re engraving WE-845 took turns to listen to the music. RCA845 only won a little in the emotional expression of music, and E-845 obviously won in other aspects such as timbre liveliness, extension of high and low frequencies, tension and magnanimity of the sound field, and restoration details that "may also have psychological factors". After parameter testing and computer audition, E-845 is one of the few 845 tubes with the highest fax and best timbre I have ever heard.
The sound field is grand, the solemn and full-bodied sense of music and the positioning of musical instruments are very accurate. The E-845 E-211, like an advanced full frame advanced camera, captures the scenery of the prairie with a wide vision. (I am also a photography enthusiast) The sound field is broad, the momentum is noble and elegant, the depth is good, the positioning of various musical instruments is accurate, the amount of information is sufficient and smooth, the form of various musical instruments is good, the connotation is rich, and the impact is also in place. The E-845 E-211 is used to interpret music, You will not feel the slightest "turbidity", but you will feel like enjoying a "high-definition" live concert. The sound field has no frame constraints, and permeates the elegant and noble style of the electronic tube.
a treble:
Good penetration, euphemism and authenticity. The brightness is moderate and will not produce a dull feeling. The texture of the violin is very accurate, clear, without any burr, quick and smooth, rich in overtones, and the aftertaste is just right. The flowing clouds and flowing water, and the strong rosin taste are very excellent and exciting. The triangle iron, the performance of ringing the bell, gives a feeling of ethereal and real.
Midrange:
The sound line is full, the sound is positive, and the homophonic is rich. The change of the singer`s tone and the cadence of the emotion are visible, natural and beautiful, very infectious, full of courage, slightly transparent, and charming positive energy.
Bass:
It is powerful. Although the output power is only 18 watts, I pushed my 88 db ten unit ten crossover speaker, which should be the reason for the moderate damping coefficient of the tube. The rhythm is strong, clean, and moderate. The resonance of cello and bass drum is very excellent, with great sense of volume. When playing the big dynamic symphony, the scene is breathtaking!
The shop promises:
The electronic tubes operated by our store are guaranteed to be brand new and high-quality genuine products from the original factory, and we will provide free replacements for any quality problems within one year. All tubes are rigorously tested to match .Buy 2pcs = Precision matched pair. Buy 4pcs = Precision Matched Quad. We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs. The same parameters. It is a professional shockproof and firm package. It is absolutely safe.
Note: If you only buy 1 pcs, there will be no original gift box. It will be shipped after strict inspection again (please do not think it is a fake and shoddy product after receiving the tube).
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