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Comparison Pioneer TS-WX130DA vs Pioneer TS-WX22A

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Pioneer TS-WX130DA
Pioneer TS-WX22A
Pioneer TS-WX130DAPioneer TS-WX22A
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Application areacarcar
Designenclosedenclosed
Enclosure typesealed boxsealed box
Body shapeCompactCompact
Typeactiveactive
Size8" (20 cm)8" (20 cm)
Tech specs
Rated power50 W70 W
Max. power
160 W /Peak/
150 W
Frequency range40-20000 Hz40 – 200 Hz
Sensitivity100 dB
Impedance1 ohm
Bass level control
Phase control
Subsonic filter
High voltage input
General
Remote control
Protective grille
Diffuser materialcomposite
Woofer Diameter200 mm
Enclosures dimensions280x200x70 mm250х265х110 mm
Weight3.5 kg
Added to E-Catalogfebruary 2018july 2012

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.

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.

Impedance

The electrical resistance of a subwoofer when a signal is applied to it. This parameter is important primarily for selecting a subwoofer-amplifier pair: at a lower impedance than that of the amplifier, the subwoofer will distort the sound, at a higher impedance the sound will be too quiet.

For dual voice coil models (see above), the impedance is specified for one of the voice coils.

Bass level control

Since the subwoofer was originally designed to reproduce bass, in fact, in this case, it implies the presence of its own volume control, which allows you to change it without affecting the signal source. This allows you to easily set the desired bass level relative to the rest of the sound of the audio system (for different cases, this ratio may be different).

Subsonic filter

The presence in the subwoofer of an infra-low frequency filter (Finch), also referred to as Subsonic. This filter "cuts" subsonic frequencies, preventing the subwoofer from reproducing them. Often this filter has a frequency control. This feature serves several purposes. Firstly, the human ear is no longer able to recognize such vibrations, and there is no point in reproducing them — this only leads to useless expenditure of energy. Secondly, intense infrasound can adversely affect well-being (both physical and mental). Thirdly, working with infra-low frequencies at high power can damage the subwoofer itself: figuratively speaking, the coil “blows” off the speaker.

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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