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Comparison Mac Audio Bassleader 112 R vs Alpine SBG-1224BP

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Mac Audio Bassleader 112 R
Alpine SBG-1224BP
Mac Audio Bassleader 112 RAlpine SBG-1224BP
from $69.00
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from $132.00 up to $158.80
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Application areacarcar
Designenclosedenclosed
Enclosure typevented boxbandpass
Body shapeBoxBox
Typepassivepassive
Size12" (30 cm)12" (30 cm)
Tech specs
Rated power300 W250 W
Max. power
1000 W /Peak/
800 W /Peak/
Frequency range24 – 500 Hz28 – 200 Hz
Sensitivity90 dB90 dB
Impedance4 ohm4 ohm
General
Plexiglass insert
Enclosures illumination
 /blue/
MaterialMDFMDF
Woofer Diameter300 mm300 mm
Enclosures dimensions515x365x280 mm473х380х414 mm
Weight10 kg
Added to E-Catalogjune 2016july 2014

Enclosure type

Closed box. The simplest type of case: a box closed on all sides with a speaker (speakers) on the front panel. The advantages of such models are high accuracy of sound transmission and low cost, the disadvantages are low sensitivity and somewhat “flat” bass.

Phase inverter. A classic phase inverter is a hollow tube connecting the internal volume of the case with the outside world (however, there are other options for such a connection). The length of the phase inverter channel is chosen so that the sound waves of a certain range, passing through it, are inverted in phase relative to the waves from the speaker (hence the name). This improves (in particular, "deepens") the sound of the subwoofer and allows you to achieve good performance with a small cabinet size. On the other hand, the sound stream in the tube creates a certain additional noise.

Strip. A design that combines the features of a closed box and a bass-reflex enclosure. One of its parts is made closed, and the second is equipped with a phase inverter tube; between them is a partition, on which the main speaker is located. Unlike previous types, the speaker is entirely inside the case. Strip-line enclosures provide louder sound than boxes or bass reflexes, with sound quality comparable to the latter. The disadvantage is the complexity of the design, as a result — a slightly higher price.

Rated power

The average (root mean square — RMS) power of the input signal, at which the subwoofer is able to work continuously without negative consequences (damage, failure) for at least an hour. The rated power of the subwoofer must be greater than the power of the amplifier connected to it — in order to avoid overloads.

Max. power

The maximum signal power that the subwoofer is able to withstand for a short time (up to several seconds) without any negative consequences. When selecting an amplifier-subwoofer pair, it is recommended to take a subwoofer with a maximum power of at least twice the maximum power of the amplifier. In general, the higher the maximum power, the more resistant the subwoofer is to overloads.

Frequency range

The range of audio frequencies reproduced by the subwoofer. It is believed that the human ear is capable of perceiving a frequency range of the order of 16 – 20,000 Hz, but in this case note that the subwoofer is designed to reproduce the lower frequency band (up to 200 Hz). Accordingly, in the case of the lower limit of the range, everything is simple: “the lower, the better”; the upper one should not be lower than the lower limit of the main car audio — otherwise there will be "gaps" in the frequencies, which will affect the sound quality.

Plexiglass insert

The presence of a transparent insert in the subwoofer housing. Such an insert does not affect the sound quality and characteristics, however, it gives the device an original appearance.

Enclosures illumination

The presence of its own backlight on the subwoofer case. The role of this function is purely decorative: it does not affect the sound characteristics, but it provides a stylish design.
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