You might think you pay for, yes, this is the market concept. The quality of the audio line will inevitably determine the price of the stereotypes. Audio line is used to connect audio devices and power amplifiers. For the general popular type of audio equipment without deliberately seeking high-quality wire, as long as the use of general cross-section a little higher copper signal cable. For a better home theater audio equipment, consider using high-quality audio cable, such as DVD players and "AC-3" on both optical decoder output, input interface, such as the use of fiber optic transmission lines, it can improve the sound to be more significant role.
A common type of audio cable
The first category, microphone line: a two-wire coaxial cable for connecting amplifier and microphone.
The second category, the audio line: a set of two audio lines are often divided into left and right channels, the line ends are RCA.
The third category, coaxial: for the transmission of multi-channel signal, and audio line similar to the signal due to large amount of audio connectors and cable lines thicker than normal, usually used to connect a DVD player and amplifier.
The fourth category, fiber optic lines: also used for multichannel signal, for connecting a DVD player and amplifier.
Fifth category, the audio cable in the wiring base without consideration, audio equipment, often together with the amplifier, the audio cable lines are short, post-configuration can be.
Second, the role of the audio cable
We recognize the audio cable in the system when the first speaker on the audio line to figure out some of the requirements, HIFI speaker for high-fidelity recordings to restore the sound field, so the lossless audio signal transmission have adequate protection. General transmission line signals of different frequencies have different impedance characteristics of the sound of this reduction on the performance of sound vague, for it produced a high signal line called intelligent speaker cable,
Audio cable for connection to amplifiers and speakers, which is much larger than the flow of current in front of said video signal cable and audio cable, because the signal amplitude is large, these lines often do not shield for this cable, the key is to reduce the its resistance, because the modern amplifier output resistance is very low, so the demands on the speaker line will be increased, such as a large selection of cross-sectional area or stranded wire. Wire from copper to silver lines are, more expensive speaker wire for the price of a dedicated oxygen-free copper speaker wire, its main feature is a good electrical conductivity, low resistance, the use of its increase in the playback sound does not sound less. |
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