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Comparison EDGE EDB12A-E2 vs Fli FU 12A-F1

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EDGE EDB12A-E2
Fli FU 12A-F1
EDGE EDB12A-E2Fli FU 12A-F1
from $215.00
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from $166.48 up to $316.60
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Application areacarcar
Designenclosedenclosed
Enclosure typevented boxsealed box
Body shapeBoxBox
Typeactiveactive
Size12" (30 cm)12" (30 cm)
Tech specs
Rated power300 W300 W
Max. power
900 W /Peak/
1000 W /Peak/
Frequency range25 – 1500 Hz25 – 1500 Hz
Sensitivity90 dB
Impedance4 ohm4 ohm
Bass level control
 /at 45 Hz/
Subsonic filter
High voltage input
General
Diffuser materialcomposite
MaterialMDFMDF
Woofer Diameter300 mm300 mm
Enclosures dimensions340x410x413 mm360х347х405 mm
Weight12 kg
Added to E-Catalogseptember 2014july 2012

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.

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.

Sensitivity

Sensitivity determines the loudness of the subwoofer when a signal of a certain power is connected to it: with equal signal power and impedance (see below), the subwoofer with the higher sensitivity will sound louder.

High voltage input

The presence of a high-voltage input at the active (see "Type") subwoofer. Such an input greatly expands the possibilities for connection. Usually active subwoofers are connected via a linear (low-voltage) input directly to the radio. The high-voltage input allows you to connect the speaker to a separate power amplifier, like a passive subwoofer.

Diffuser material

The material from which the speaker cone in the subwoofer is made. Determines the sound quality and, to some extent, the cost of the device.

— Pulp/paper. Historically the first diffuser material. Its advantages are lightness (which ensures high speaker sensitivity), as well as a smooth frequency response (amplitude-frequency response), which positively affects the sound quality. Among the shortcomings — low strength, which limits the power of such subwoofers, as well as softness, somewhat "blurring" the sound in difficult moments. In addition, paper diffusers are sensitive to moisture.

— Polypropylene. Synthetic polymer, in some aspects similar to paper, but differing from it in higher strength and resistance to moisture. It also has a smooth frequency response. Somewhat more cruel, but still belongs to the soft.

— Polyurethane. Another polymer material. At a low cost, it is somewhat stiffer than polypropylene, and is also very resistant to mechanical stress, which allows you to create powerful speakers.

— Kevlar. Kevlar fibre is highly durable (higher than steel); it also has good rigidity, which has a positive effect on fidelity in difficult moments. However, such diffusers are not cheap.

— Carbon fibre. It belongs to premium materials: it has high strength at a very low weight, and in the case of subwoofers, it is also worth mentioning the good rigidity that ensures a clear sound. Among the shortcomings — a somew...hat uneven frequency response and an impressive cost.

— Carbon. Another name used for carbon fibre is mainly for promotional purposes, for brevity and “impressiveness” of sound. See above for more details on carbon fibre.

— Fibreglass. Such material consists of ordinary glass stretched into filaments; unlike the classical form of glass, such threads do not break or break. It's lightweight (respectively sensitive), relatively cheap, resistant to moisture and temperature changes, and still provides good (though not outstanding) sound quality.

— Composite materials. Composite is a material that consists of two or more materials with a clear separation between them. In subwoofer cones, carbon fibre composites (based on carbon fibre, see above) are most often used. Such diffusers have all the advantages of carbon fibre and are able to provide good sound quality — however, due to the characteristics of the frequency response of the material, rather complex electronic circuits have to be used to achieve this quality, which affects, in particular, the price of subwoofers.

— Aluminium. Aluminium cones have the highest rigidity of all, which ensures high fidelity of sound transmission even in difficult moments. The "reverse side of the coin" in this case are their own extraneous "ringing" that occurs in the diffuser. To eliminate them, you have to use various tricks that significantly complicate the design and increase the price of the subwoofer.

Note that each material has its own characteristics and shades of sound, which you should pay attention to when choosing — a more expensive and high-quality material will not necessarily give a sound that you personally will like more.
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