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Comparison Hertz DCX 87.3 vs Alpine SXE-1325S

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Hertz DCX 87.3
Alpine SXE-1325S
Hertz DCX 87.3Alpine SXE-1325S
from £64.99 
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Application areacarcar
Typecoaxialcoaxial
Size3.5" (8.9 cm)5.25" (13 cm)
Number of bands22
Specs
Rated power30 W35 W
Max. power60 W200 W
Frequency range130 – 21000 Hz70 – 20000 Hz
Impedance4 Ohm4 Ohm
Sensitivity92 dB92 dB
Size
Woofer size87 mm130 mm
Added to E-Catalogjuly 2012april 2012

Size

The size of the speakers of the acoustic system; in speakers with different driver sizes (component and coaxial, see "Type"), the size is determined by the diameter of the largest (woofer) driver. The size of the speaker determines primarily its ability to work with low frequencies. It is believed that acoustics up to 4 "is practically not suitable for low frequencies (regardless of the frequency range), 5-6" refers to the average level, and speakers of 6" or more even allow you to do without a subwoofer. Also, the size affects the installation options. So , some cars may provide seats for acoustics of a certain size — this limits the choice.And for large acoustics, there may not always be a place in cars with cramped interiors.

Rated power

Rated power of the acoustic system. Most often, the average (root mean square) sound power is indicated as rated.

The most obvious point related to this characteristic is the volume of sound: the more powerful the sound system, the louder the sound it can produce, all other things being equal. In addition, compatibility with an external amplifier depends on this indicator: its power should not exceed the power of the sound system, otherwise overloads and damage to the speakers are possible.

Max. power

The maximum power of a short-term (up to several seconds) incoming signal that the speaker can withstand without physical damage. Just like the nominal power, it matters for the selection of acoustics for an amplifier (or vice versa): it is believed that the maximum power of the speakers should be at least 2 times higher than the maximum power of the signal source.

Frequency range

The total audio frequency range reproduced by all speaker speakers.

Obviously, this range should not be too narrow, so that the acoustics do not cut off the lower and/or upper frequency limits of the reproduced sound. At the same time, the human ear perceives sound within 16 Hz - 22 kHz, and it simply does not make sense to provide speakers with a wider frequency range. We also recall that in mid-frequency acoustics and tweeters, reproducible frequencies are limited due to specialization (for more details, see "Type"). And the overall sound quality will depend not only on this indicator, but also on a number of other features.

Woofer size

Size of the low-frequency speaker(s) provided in the speaker system.

This size is specified only for models with separate bass speakers. In such acoustics, it is the LF emitter that is the largest (this is due to the physical characteristics of the bass range). Accordingly, the space occupied by the entire system is determined mainly by the diameter of the LF speaker. And since the power and richness of the bass also directly depends on the size of the emitter, then when choosing, you have to proceed from a compromise between the capabilities of the acoustics and the available space in the car.
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