The purpose of the 2.0-channel bookshelf is to restore the original appearance of the recording site and the original intention of the music creator as far as possible. Otherwise, the one-piece speaker is selected to be better placed (the next video masterpiece is how to set the bookshelf box. Stay tuned.)

The first kind of record is the scene of real stereo recording or multi-track recording and then downmixed to stereo. Such recordings are mostly classical music. There are also a small number of popular music such as Lin Zhixuan and Sodagreen which have records of cooperation with symphony orchestras. Since the recording is based on a real concert hall and other environments, it is a great challenge to restore good musical instruments and vocals to audio equipment.

The second album is a stereo sound effect that is specially made by a musician when multi-track mixing is performed. This kind of sound effect can be achieved as long as the sound field is wide enough, and there is no such strict requirement in the first case. But it is also a pleasure to be able to empathize with the creative intentions of the musician. Of course, there are stereo materials recorded in the real environment during the mixing process. For example, Lei Guangxia, a Taiwanese musician, especially likes to put interesting material recorded on the record into the record. The replay effect will have an immersive feeling.

Here are some sets of 2.0-channel bookcases I bought/listened.

The price of 200 yuan will go up again. Within 1,000 yuan, I will choose 2.1 instead of 2.0, such as the Swans S400 series. Really want to upgrade or get 2,000 yuan, for example, I would like to recommend the code M20 MKIII. This is a tube amplified active speaker.

At that time I would choose between the M20 of the Codex and the T200A of the Swans. T200A is a pure transistor power amplifier, the power is definitely greater than the pole code M20, but the playability is much smaller. Can be turned to radio because of the code. It is also because there is no active tube speaker after the code, so I have no equipment that can be replaced. How to do? Endure it.

Until I saw the coaxial speaker EGF introduced by KEF, it was another technology that attracted me after the tube amplifier. Because I heard the Onkyo's mini machine before, the sound was OK, but the slightest deviation from the best position was lost. KEF's coaxial technology is to broaden the scope of the "Emperor", let me walk around the house to do housework, but also can hear a good voice. So in the last year, the double 11 took a decisive order and the price was 1998.

At present, the color of Jingdong is not complete, but the price can be reduced by 500 or 1499 in 1999. KEF EGG listened for the last six months and the bass was also there. The subwoofer can be used by directly inserting a 3.5mm audio cable into the HiFi 2.1 subwoofer audio input. Bluetooth AptX, fiber/3.5mm, USB input have been tried. The power is 50W per channel, which is several times bigger than that of Microblogging, but the sense of hearing may be slightly restrained and shameful because of the British brand. The sound is far away. So, I came to a voice from the United States: Jazz R-15PM.

It is this cargo slightly! Bluetooth AptX, optical fiber, RCA, USB input have also been tried, and the difference between KEF EGG is that the frequency response KEF EGG low frequency minimum is 90Hz, while the Klipsch R-15PM minimum is 62Hz (+/- 3dB), that is, The descent from 90Hz to 62Hz (obviously low). The advantage of bass deep dive is that, when playing jazz, both vocals and basses appear to be sloppy and vocal. Moreover, since the R-15PM has exclusive treble horns, it is not coaxial but it can also obtain a wider "Emperor", which is no loss compared to EGG.

Give you a look at the test scenario of the first version of Love Lab. I used to work in love and technology. I have been accompanied by the speakers in the past two years: Real M030, 3800/only, ie 7600/pair. Of course, if you add the supporting sound source RME 802 it will exceed 2W. The real power M030 is a bit picky about the audio source. After all, it is the monitor speakers. Any of us is not my son. You have to listen to the questions and ask questions. Although the low-frequency dive minimum 58Hz, but when the M030 + 802 device debugging is completed, an open sound to everyone shocked, the song is played Xu Wei "I have you" live version. Those who like to listen to music do not like the sound of this system: too much power!

But this system is also not suitable for home use. First of all, the M030 does not have a volume control function. It is only possible to adjust the volume (not to mention the remote controller) on devices other than the mixer or other speakers. Secondly, M030 only has three interfaces: XLR card, TRS, and RCA. If it is connected to a mobile phone, RCA is not 3.5mm, but it is slightly loose when the volume is fully opened (including plugging and unplugging). ), The voice of stabbing will kill you. Even with an audio interface, lab personnel can't get the tinnitus out of the lab for a few hours to recover if they misuse the mixer.

KEF LS50 I just went to the audition and listened to it. After listening to the entire afternoon, Tsai Chin’s “The Moonlight Serenade” listening to the frog heard more than seven frogs. His voice also swept away the coldness of EGG, although it was not as warm and mellow as the M20 MKIII. But there has also been some initiative to please your meaning, is a partial analysis of the box. The KEF LS50 uses a larger size bass/woofer unit than the EGG, and its frequency response is flat from 50Hz–45kHz. This pair of speakers is 230W per channel, of which 200W gives bass units. In fact, the bass does not have the power of M030+802. Perhaps it is the manufacturer who believes that this kind of music may be more fluent.

summary:

KEF EGG LS50 Wireless and Klipsch R-15PM are all active speakers with decoding function. They support at least decoding of 24bit/96kHz specifications, that is, as long as you have high quality Hi-Res audio files in your notebook, regardless of your notebook or TV. Set-top boxes, CD players, DVD players and more slag, connected to the three speakers digital input, can get close to the manufacturers R & D laboratory voice.

Microlab, Rambler, the code M20 MKIII, Swans T200 series, Zenith M series itself does not have a decoder, in addition to loss of Bluetooth can only enter the analog signal, the sound quality depends on the quality of the sound you input into the sound. The lack of a decoder saves money, so the price of this type of speaker is really low in the same quality (if you already have a good source, otherwise you'll have to make another investment).

The active 2.0-channel bookshelf speakers are not over here. The higher-priced monitors such as Jinlang's monitor speakers are all as difficult to operate as professional ones. A higher budget can really consider Hi-Res Desktop Decoder + Pure Music Amplifier + Passive Bookshelf Speaker.

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