akai vintage audio rack
22 tips to get better sound in a high-end audio – PART II
Author: NonameHifi Özhan Atalay
9. Earth metal to electricity, especially in humid environments and fully carpeted listening, become an electrical problem. Carpet is in charge of static electricity can be transmitted electronically via the support of equipment and / or human contact. Static electricity on the carpet is so powerful that when tested in the morning before someone steps on it, can be clearly seen by simple tools sold in Radio Shack
To eliminate the effect, the loudspeaker racks and the computer is connected to ground by a thin wire. In addition, interconnect cables and to lift near the ground due the same effect.
What benefits you expect from May of this change is that I do not know why, but less vague and lowest low tide.
10. Loudspeaker at a distance from the front wall, producers recommended distance from the speaker through the front wall (the wall behind the speakers). So in general, He should be located as far as possible from the front wall. (And the side walls) they are so close to the inferior wall of the wave will be strengthened (explained in article five) and middle / treble banda will be compressed due to energy shortages.
Some audiophiles find to make low volume near a front that is not correct. One thing must be considered that this increase is not due to its low original, but is the result of the response to the call room coloring.
11. Ex Auto Transformer Passive Line stages, new technologies developed in the industry of the final salvation of the dubious pre-amplifiers.
Before the end, the reason for a preamplifier is stipulated in the four bases;
-To connect to more than one unit of whole
bl'enregistrement tape from some sources
c-low volume production and reverse polarity signal dishes (as the only source)
d-bass, treble adjustment
Today, CD, SACD 5.8 volts can provide results that are more than enough to power amplifiers. Audiophiles are not interested in your settings, but more focused on simplicity. Dedicated phono stages are common, so So most of the requirements are no more valid.
The main and only basis for a modern pre-amplifier is to lower the volume, no sound!
Just imagine a simple signal from a CD, or the DAC amplifier, and then cut this link, adding four letters, taking four wives, a pair of interconnects, many resistors, capacitors, tubes, transistors and all the link. How can I keep the purity of the signal and you can do something better later its original!
An active line stage destroys the neutrality and the purity of the original sound. This corruption may not be as evident in most systems lower resolution, or by some unknown design. Each active line stage has its own tone and color. In fact, the online music often used to balance their main problems in systems. For example, one phase line is used to calm a sound power amplifier or a solid state phase line Acute rich to compensate the poor for high-power amplifier, and vice versa. If this is the case of a natural step on the line and the absence of color will not be considered by the music lovers.
After me, the review should be to change the power amplifier until the sound instead of playing with pre-amplifier. In other words, to address the problem rather than trying to hide the problem.
It is almost a consensus that the use of a simple volume pot adds a lot of neutrality and purity of sound. But in this case, other problems appear. A volume of the pot, which is either a potentiometer or an alternator with a higher resistance to the works of directors. Each volume includes different stages of resistance signal path, this decreases the volume. Due to the complexity of the music signal (20 Hz-20 kHz), for example, a resistive load will act as a barrier to different frequencies. For example, when you turn the volume level, treble is reduced and condenses the low or when volume increases, media are excessive or vice versa. Do not forget to mention is the lack of dynamic range as well. A phase line eliminates these problems.
Due to these facts, the control volume pots CD or analog volume control can not be used alone as the steps in line
By new technologies, new and old car Passive line transformer stages are designed to control volume.
These units do not work with the principles of resistance and not to add signal strength. The only resistance of Ampère is approximately 200 ohms due to the wire in the windings.
Line transformer liabilities consist two stages of the processors, one for the left channel and one to the right. They have a primary winding and multiple (12-24 stages) of the secondary windings. Its main objective is loving the volume change V, instead of adding to the resistance. So far as I know, there are only three producers of these steps online. I used two of them. Both are providing extra ordinary natural, relaxed and without distorting the sound.
I heavily modified my old Sound Lab that is very very good product and cheap (not to underestimate their price) but Audio Consulting Silver Rock of pure silver, is another matter.
It is worth mentioning that this passive stages can not be all systems. In this case, the input impedance of the power amplifier must be handled directly by the DAC output or CD player. Input Impedance amplifier should be as small as possible. The best way to learn this case is to write the impedance values of the producers and ask for help before you buy.
12. Good Tubes (NOS tubes), it follows that the 100? and old, while the tube is 10? I think it is. A tube can change the characteristics of an electronic tube that, by replacing the entire unit. Our tubes are not easy to find, very expensive, but interesting to use. In particular, the upper frequency hiss is much lower with our tubes.
13. Very easy to find a method of polarity, in general, Europe (German) standard AC plugs do not have the signal direction. U.S., United Kingdom, Switzerland AC plugs are a way to connect to the network, so the + and – phases can not. Thus, in these cases is not easy to find polarity.
Electronic Components can function properly, regardless of polarity. Our televisions, refrigerators, light bulbs, computers, everything. Why the net polarity is very important at Hi-Fi!
The arrival of electricity (+) to pass the electronic circuit and (-) Overall, the current from the power unit first and then reduces the voltage required by electronic circuits. In this case, power is automatically filtered by the food section. The food processor section of the insulation input and output transformers are physically separated. If the polarity is correct, the system comes directly from the back door and take all the pollution RFI / EMI on the drive. Because it is important to know the polarity.
Most of the electronics is the same polarity. If the unit and power cord IEC removable type of input, the law must be the hole (+) supply if we look at the sheet before the front (as seen below)
Another method is easy to check the power fuse. If the device is equipped with an external fuse, release and check the fuse for a power control, while the stylus is connected to the power supply. This must be (+) signal. If not, reverse the AC plug from the wall
14. Volume level, it is true, no one of the company that tells you that the volume is listening. Some audiophiles like to hear low level, a tower on the size of the windows are broken.
If the result is to get the atmosphere of the place of the recording volume level should be adjusted accordingly, but no more, no less. This case is applicable to acoustic instruments, but not limited to electronic music, jazz or disco etc.
Whatever record is streaming the proper volume setting should be one that does not expand or shrink the original instrument. Higher volumes in May, for example, a guitar should be played with the guitar volume to correct the volume control. If the volume increases, the body of the guitar will become obsolete in terms of large, on the other hand, while the body of a Mormon choir will not be as realistic low volume
15. Speaker Cables warming up before listening to criticism and outside of the theory that "solid state electronics to offer a better sound for a few minutes for the transistors that are hot. "All the audio equipment needs time to warm up. This time is at least 1 / 2 hours or 1 hours, even though the manufacturers recommend less. Until I know, this is because the specification resistors, capacitors, tubes and other things that if you are cold or hot. Make final adjustments to the manufacturers units when it is hot, otherwise it would be perfect to play the first half hour later, and worse still hot.
This principle is implemented by all lovers of electronics, but not always for the speakers and cables.
The speakers are very important because their passive components must be heated the strength of the union. Your voice must be packed and overheated. The cables are also important. Heated term in May are not eligible for the cables but the cables must be managed some are accused dielectrics.
Accordingly, the heating must be complemented by reading (Can not hear) all of the system.
16. A good selection of speakers for the listening room, the speakers should be selected in conjunction with the listening room dimensions. Unfortunately, the general trend music in particular in the United States is "bigger is better"
It's like a new beginning that the best skiers to choose ski equipment, before learning and face so many problems later.
Great speakers are in a difficult position, difficult to manage, more affected by the room boundaries. If the speaker is greater for the room, many low-energy reduction is still good. The speaker of the biggest problems. Challenging driving requires stakeholders, experience, sources, time and money.
About the author:
Atalay President Özhan target = "_blank"> http://www.nonamehifi.com
Item Source: ArticlesBase.com – Title = "22 tips to get better sound in a high-end audio – PART II> 22 tips to get better sound in a high-end audio – PART II
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