After the launch of Monitor 03 US and Monitor 02 US Dragon Edition in 2011, Le Zhibang released the special version of Monitor 03 US Dragon [Dragon Edition] in the first half of 2012. This sound card was officially released around June this year. Listing. Although they are both "Dragon Edition", they all use the title of Chinese Dragon Year to promote publicity. However, Monitor 03 US Dragon Edition sound card positioning is quite special, first of all its price is higher than 03 US regular version, and in terms of sound performance, the official also said that there is an improvement [below specifically], but 03 US Dragon is more like a special Version, commemorative version, and limited production of 9,500. The 02 US Dragon Edition is a new model for the mainstream. Although the naming method of the Dragon Edition is similar, the current two product positioning and the difference between the two models are different. The Music 03 US Dragon further optimizes the Monitor 03 US Standard Edition in commemorative, special edition and limited editions, more like the pursuit of technical limits on the basis of the original products. According to the official information provided by Lezhibang, Monitor 03 US Dragon is no different from the standard version on FPGAs, USB control chips, DACs, crystal oscillators and other hardware. Let's first briefly review the main hardware configuration of Monitor 03 US Dragon. Monitor 03 US [including Dragon] uses the 200,000-door XC3S200A, which can more easily improve internal logic and process clocks and timing more accurately than the older 02 US 50,000-gate FPGA. The expansion of the FPGA allows the internal DCM module [digital clock management module] to be changed from 2 to 4, which can synthesize the clocks of 22.5792MHz and 24.576MHz more accurately. The DCM module is also one of the core technologies of all Monitor series. It plays an important role in improving sound quality. On the other hand, due to the expansion of the FPGA capacity, 03 US can support the output of digital signals up to 24bit/384kHz. Through the "overclocking" of the DAC, the 24bit/384kHz signals can be digitally analog-converted to directly output analog signals. The digital signal output needs to pass the music's own MULINK interface [because the S/PDIF bandwidth is insufficient]. 03 US uses Burr-Brown PCM1798 DAC chip, the highest standard supports 24bit/192KHz digital-to-analog conversion, and the dynamic range reaches 123dB. The biggest difference between the Dragon Edition 03 US and the Standard Edition is that the Monitor 03 US Dragon boosts the USB supply voltage to 18V, providing more power for both the linear output and the headphone amplifier output. In the standard version, the supply voltage is 12V. According to the official information, 03 US will have better performance than the standard version under the power supply of USB 2.0 interface and USB 3.0 interface. We know that Monitor 03 US is a relatively rare sound card with USB 3.0 interface. Although it does not use USB 3.0 data specification to transmit data, USB 3.0 can provide better power supply. In USB3.0 specification, Each USB 3.0 load current is boosted to 150mA [one interface supports 6 groups of connections, total current up to 900mA], while USB2.0 is 100mA. In the actual test, 03 US uses the USB 3.0 interface, the dynamic performance is indeed better than the performance of the USB 2.0 interface, and the advantages on the amp are relatively more obvious. The Dragon Edition 03 US will increase the voltage of the power supply circuit from 12V to 18V, which is also the potential to further develop 03 US. Objective test: By convention, we conducted a set of objective tests on the LineOut and headphone output connectors of the Monitor 03 US Dragon sound card. The test was also in the form of a professional-grade sound card input, combined with common analysis methods to provide intuitive measurement results. The test uses USB working mode. From the objective test, the test score of Monitor 03 US Dragon is not much different from the test score of Monitor 03 US Standard. After all, the original data is already at a very good level, and from the spectrum diagram of frequency sweep, with RMAA The objective test scores are also identical. Subjective listening: In the subjective hearing test, we are still divided into two parts: the speaker system and the earphone system. According to our previous experience in the 03 US evaluation, we still use E-MU PM5, Innovative HD50 and Ruiyun MS88 new speakers; while headphones we use AKG K701, K240MKII, Vsonic GR07 and Edifier H850. The main source of comparison is the standard version of Monitor 03 US. In the test, we used the USB 3.0 interface motherboard to connect the Monitor 03 US Dragon and 03 US Standard sound cards. Speaker system performance: Monitor 03 US Dragon and standard version 03 US sound style will naturally not be much different, but on the three sets of speakers we use, the difference between 03 US Dragon and 03 US Standard Edition is relatively easy to detect. In the high frequency part, the density of 03 US Dragon will be slightly better, especially in the case of large dynamics, 03 US Dragon has better control, the sound has a better three-dimensional sense, and in some brass music, there is better The metallic luster, which is not simply the sound is brighter, but better control, the details are better and calmer. In the performance of the intermediate frequency, under the rhyme MS88, the difference between the vocal performances is not large. Relatively speaking, the male voice, the mid-range frequency and the low-frequency part, the 03 US Dragon is better, and the advantages and high frequencies in the middle and high frequency parts. Similarly, under a little dynamic, the control is good, the sound is calm, and the level is slightly better. In the symphony, the advantage of 03 US Dragon is relatively obvious. Under the larger music, the sound of 03 US Dragon is more stereoscopic, the control of the middle and high frequency part will be better, and the better control will make the sound of big dynamic. Not only is it more solid, but it is more calm and even softer in detail. Overall, the details of the big dynamics have improved significantly. In the low frequency part, the dynamic and resolution of 03 US Dragon has been improved. The most important thing is that when the dynamic is large, its low frequency will be more full and powerful, and the resolution is better. Under PM5, the lower the dive frequency. Low, 03 US Dragon's resolution and dynamic advantages are more obvious. Headphone system performance: As the monitor 03 US Dragon improved the power supply circuit, of course, the amp part also benefited. 03 US Dragon still uses the TPA6120 amp chip, which is often used on sound cards and amps. We try to use the 03 US Dragon with the Philips SHP9000. The density and dynamics in the mid-range and high-frequency parts will be slightly improved, and the low-frequency resolution will be slightly better, but it is still not suitable for such headphones. When paired with K701 and K240MKII, 03 US Dragon is better than SHP9000. Compared with the standard version 03 US, its overall dynamics are slightly improved. The high frequency and intermediate frequency are relatively obvious when the symphony is dynamic, which is compared with the speaker system. The trend is the same. In terms of low-frequency resolution, the headphones will be relatively more sensitive. Although the low frequencies of the K240MKII and K701 are relatively light, the slight improvement brought by the 03 US Dragon is still easy to detect. In the case of headphones such as the H850 or GR07, the IF and HF dynamics are more noticeable, and the high-frequency density increase is relatively noticeable. Overall, the trend is consistent with the speaker system. to sum up: Overall, Monitor 03 US Dragon is relatively more accurate than the standard version of 03 US. The difference is not particularly obvious, but it is easy to get from the entry level to the advanced level headphones and speakers. Feel the improvement brought by 03 US Dragon. If you really like to listen to the music and symphony of the big dynamic, then the improvement brought by 03 US Dragon will be easier to feel. Monitor 03 US Dragon is priced at 998 yuan, which is more than 100 yuan more than the standard version of 03 US. At the price level, it is still much lower than the high-order decoder, and its overall performance is naturally not comparable to the high-order decoder. However, 03 US has significantly better portability than the high-end decoder products and the old 02 US, and compared with the US US evaluation of 03 US six months ago, the current notebook USB 3.0 has become the standard. Configuration, while USB 3.0 power supply will bring better sound performance. In addition, the official said that under the new process, 03 US Dragon has lower fever than the standard version [the standard version is already very low, no difference] and lower power consumption at low volume or standby, which is also worthwhile for mobile users. Concerned. Monitor 03 US Dragon is a special limited edition of 03 US. Based on the original architecture, the power supply is improved to provide better sound performance. Although its price is high, it is still a price compared with the standard version 03 US. A higher selection of some better performance.
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