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Comparison F&D A-530U vs Edifier S760D

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F&D A-530U
Edifier S760D
F&D A-530UEdifier S760D
from $52.26 up to $63.16
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from $599.40 up to $715.00
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Main
Power 540 W. 3 optical inputs. Wall mounting. Dual speakers. coaxial input. Bass/treble setting. Removable cables. Headphone output. 2 remote controls: wired and wireless.
Speakerskit 2.1kit 5.1
Lines12
Specs
Signal-to-noise ratio75 dB85 dB
Frequency range20 – 20000 Hz35 – 20000 Hz
Impedance4 Ohm8 Ohm
Speaker output52 W540 W
Front16 W/channel60 W/channel
Rear60 W/channel
Centre60 W/channel
Subwoofer20 W240 W
Speaker port tube
Features
Functions
USB A
card reader /SD, MMC, MS/
FM receiver
 
bass control
 
 
 
treble control
bass control
Connections
mini-Jack (3.5 mm) /on cable/
RCA
 
 
 
 
RCA /2 pairs + 5.1/
headphone output /on a wired remote/
optical input /3/
coaxial input
General
LCD screen
Remote controlwirelesswired and wireless
Volume controlside and remote
on the remote control /on two/
Inclined design
Speaker materialplasticMDF
Subwoofer materialMDFMDF
Front speaker size (WxHxD)98x207x97 mm116x203x160 mm
Centre channel size316x117x157 mm
Rear speaker size116x203x160 mm
Subwoofer size252x252x269 mm367x397x489 mm
Weight4.5 kg31 kg
Color
Added to E-Catalogapril 2014april 2014

Speakers

The number of individual speakers included in the package. In most cases, here, in fact, the sound format supported by the kit is indicated, and the actual number of speakers also corresponds to it. For example, the 2.0 kit includes a regular pair of stereo speakers (no subwoofer); this is most often considered quite sufficient for listening to music. 2.1 is two main speakers plus a subwoofer, 5.1 is five speakers (centre, front pair, rear pair) and a subwoofer. It is worth noting here that 5.1 is the most advanced format found in modern computer acoustics. It already allows you to achieve the effect of surround sound "from all sides" and at the same time is relatively inexpensive. More extensive sets — 7.1, etc. — should be looked for already in general-purpose acoustics.

A specific case is models in the form of a single column. Usually, they are stereo systems (2.0), made in the format of "soundbars" — two speakers (or two sets of speakers) in one common housing. In some situations, such devices are more convenient than separate speakers; on the other hand, soundbars are more bulky and do not allow you to change the relative position of the speakers, adjusting the sound. Therefore, this option is rare nowadays.

Lines

The number of individual frequency bands played by the speaker. At least one specialized speaker is allocated for each such band.

The point of using multiple frequency bands is that for different frequencies, the optimal design of the speakers will also be different (for example, it is better to make tweeters small, and woofers large). Thus, dividing the sound into bands improves the sound. In turn, the advantage of single-way speakers are compactness and lower cost.

Models for 2(LF / HF) or 3 bands(LF / MF / HF) are considered classic options for multi-band computer speakers. There are also 2.5 acoustics — it has 2 separate speakers for bass and treble plus a combined bass + midrange.

Signal-to-noise ratio

The ratio of the level of the useful signal (actually reproduced sound) to the level of extraneous noise provided by the speaker amplifier in normal mode.

Any amplifier inevitably creates its own noise; You can't get rid of them, but you can reduce their level. The higher the signal-to-noise ratio, the clearer the sound will be, the less noticeable extraneous interference will be. In modern computer speakers, this figure can vary from 52 – 55 dB (the minimum figure so that the noise does not cause much discomfort) to 90 – 95 dB (comparable to fairly advanced Hi-Fi equipment). However, note that the signal-to-noise ratio is far from the only parameter that affects the sound quality, and its high value does not guarantee a pleasant sound from the speakers.

Frequency range

The range of audio frequencies supported by acoustics. The wider this range — the fuller the reproduced sound, the lower the likelihood that some of these details at low or high frequencies will remain “behind the scenes”. At the same time, the human ear is able to hear frequencies of the order of 16 – 22,000 Hz, and with age, this range narrows even more. In modern audio equipment, especially at the top level, there may be more extensive ranges, but from a practical point of view, this does not make much sense. In addition, it is worth noting that a wide frequency range in itself does not guarantee high-quality sound — a lot also depends on the frequency response.

Impedance

The electrical resistance of the speakers to alternating current. This parameter is important primarily for normal compatibility with the amplifier: too low speaker impedance can lead to distortion, overload, and even damage to the speakers, and too high impedance can reduce the sound volume. At the same time, the vast majority of modern computer acoustics have their own amplifiers and are connected via a line input. Therefore, the impedance data is more of a reference value; in fact, this indicator may be needed only when connecting speakers to a “non-native” power amplifier, bypassing the standard one.

Speaker output

Total speaker power rating — the sum of the power ratings of all components (front, rear, centre, etc.)

Rated usually means the highest average sound power that the speakers can produce without overloading and damage. Individual peaks of sound can significantly exceed this figure, but it is the average value that is key — in particular, it is it that determines the overall loudness of the acoustics. However it should be borne in mind here that in sets with a subwoofer, the latter can account for about half of the total power of the entire system, while the actual volume is determined mainly by the main speakers. In fact, this means that with equal total power, acoustics with a subwoofer can sound noticeably quieter than a model without a subwoofer: for example, a 2.0 system at 20 W will have 10 W per main channel, while in a 2.1 model at 20 W with 10- watt subwoofer on the main speakers will have only 5 watts.

As for specific values, in the quietest modern PC speakers, the power does not exceed 10 watts. An indicator of 10 – 25 W can be called relatively modest, 25 – 50 W — average, and values of 50 – 100 W and above are found mainly in sets with subwoofers, where a significant part of the power falls on the bass speaker (although there are also ordinary stereo speakers with similar features)....

Theoretically, the power of acoustics also affects its compatibility with a specific amplifier: speakers should not be inferior to it in terms of rated power, otherwise sound distortion and even equipment damage are possible. However, computer acoustics in the vast majority of cases are used with their own amplifiers, optimally matched to the speakers installed in the speakers. So this moment becomes relevant only in some very specific cases — for example, when replacing a complete external amplifier (see below) with another one.

Front

The power rating of each individual front speaker provided in the speaker system. This parameter can be specified for a system with any number of speakers (see above) — all sound formats used in computer acoustics provide a pair of front speakers.

In the most general terms, the higher the power, the louder the speaker is capable of sounding. For more information about this parameter, see "Total power" above. Also note here that for stereo systems without a subwoofer, the power of one front channel is half of the total power; in more advanced acoustics, the power ratio between the channels may be different.

Rear

The power rating of each individual rear speaker provided in the speaker system. Usually there are two such columns.

This parameter is relevant only for multi-channel systems like 5.1 (see "Number of speakers") — in simpler acoustics, rear channels are not used. On the nominal power as a whole, see "Total power", here we note that in the case of rear channels, this indicator is of secondary importance: the power of the rear speakers is selected by the manufacturer in accordance with the power of the remaining acoustic components, so that all speakers work normally "in conjunction".

Centre

Rated power of the centre speaker provided in the speaker system. Usually there is only one such speaker, and its power corresponds to the total power for the centre channel.

In general, this parameter is relevant for systems with an extended sound format — 5.1 (see "Number of speakers") and relatively rare 3.1; conventional 2.0 stereo systems do not have a separate centre channel. On the nominal power as a whole, see "Total power", here we note that in the case of the centre channel this indicator is of secondary importance: the power of the centre speaker is selected by the manufacturer in accordance with the power of the other components of the acoustics, so that all speakers work normally "in conjunction".
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