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8 tasting common headphone amplifier


Reproduction of the instrument that it texture, sophistication not reached a good level of some of the sound still need great care, but I believe that if you have a better hand, random substitution of the three 6SN7 tubes 6N8P. Well, its shortcomings can largely be improved. And a 2O Cyber rhyme is O'Brien launched a few years ago the first tube amp,[link widoczny dla zalogowanych], line the road and later released T2 G & W is similar to a 12AU7 are made to promote two of the three-pole connection for single-6P14 end amplification, the difference is it uses the transformer output (also the first paragraph.) Cyber tubes used in a 2O is a Ph111ps5814A (12AU7),[link widoczny dla zalogowanych], two 6n14n (EL84), amplifier circuit is connected in a typical single-ended triode amplification. The components was very small, all-welded by hand scaffolding. The instruction says this machine can easily match 1On ~ 600n impedance headphones, in fact, it is through the function switch on the panel to complete the output impedance transformation. In the panel, the machine also has dual headphone jacks so two people can simultaneously listen to music or the ease of comparison in the sense of hearing under the same conditions. Cyber ~ 20 in the design can be said to be better, it helps to reduce the use of split power supply noise, split in the use of two power transformers,[link widoczny dla zalogowanych], a ring. R-1. For high and low, respectively (Figure 8 O'Brien Cyber light of a 20 wire) power supply,[link widoczny dla zalogowanych], its high voltage power supply is used tube amp Friends of the LC filtering methods accepted Jiang Sheng. Machine is also used as the So] en capacitors, ALPS potentiometers and gold-plated RCA terminals such as fever and components. In appearance, and continued O'Brien Reference series combination of the metal-top approach of logs. The front is a typical thick brushed aluminum trapezoidal panels, the right of the volume potentiometer is a real car made of aluminum knob, the operation feel very good. Red sandalwood logs with the African-top, the exposed tail tube in order to reduce the signal pathway. The overall design has taken into consideration the aesthetic appearance of the true and given the sound amplification, is a typical characteristic O'Brien Reference Series design (see Figure . C_yber a 2O-made design and technology in the amp in the quite excellent. Also be called sophisticated and elegant appearance, delicate and exquisite. Listening to the flu, do not know the reason subject to the output transformer. Always feel that it sounds a little Alice in the middle, two lower, what say push most of the Cyber-20 headphones in is very impressive colorful IF, IF show very good detail, a rich bile ignorance, to listen to people sound very good, very realistic human voice, display fine; broadcast loose thick strings sound when the natural, gorgeous mellow, very lively sense of the unique tone with rich, loose tube amps. The permeability and analytical, I think this machine is only more than qualified, of course, if the request is not extreme, Cyber-20 in matching high impedance headphones is enough to satisfy a long time. Number of Cyber-2O to certain shortcomings. Or is not wholly satisfactory in the low frequency is its density, velocity and intensity is still slightly soft, weaker at both ends of the extension of the frequency, sound a little dark, slow, speed transient is still to improve, of course, to O'Brien pursuit of flavor characteristics of the sound of bile taken that approach,[link widoczny dla zalogowanych], this place still capable of receiving a number of disappointments. Tube amp enthusiasts on hand a soft spot welding tent, however. Manual welding on scaffolding high technological requirements. Slight negligence inevitably impact on the sound, will also cause an individual machine could not reach the standard sample, the relatively large difference. This is also a lot of tube amps, including the famous McIntosh HC275 are used re-engraved version of the PCB board soldering reasons. I have listened to three C_yber-20 experience, I think O'Brien again if the quality management efforts will C_yber-20 better market performance. Tin market, there are some worth mentioning headphone amplifier. However, space is limited. I will not elaborate here. Fans know. A replay of the headset and speaker effects are not small differences, especially the \As a headset, \The design characteristics and related parameters; The third is listening experience meet the requirements. In addition, the appearance and price are to be seriously considered. Finally, I wish headphone enthusiasts have their preference of the headphone amplifier. lPvl2006 No. 5 ◇ l
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