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Comparison Pioneer TS-A1733i vs Pioneer TS-1639R

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Pioneer TS-A1733i
Pioneer TS-1639R
Pioneer TS-A1733iPioneer TS-1639R
from $61.96
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from $48.56
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Application areacarcar
Typecoaxialcoaxial
Size6.5" (16.5 cm)6.5" (16.5 cm)
Number of bands33
Specs
Rated power50 W50 W
Max. power
300 W /Peak/
300 W
Frequency range28 – 41000 Hz33 – 32000 Hz
Impedance4 Ohm4 Ohm
Sensitivity90 dB92 dB
Size
Tweeter size11 mm
Midrange speaker diameter42 mm
Woofer size165 mm165 mm
Mounting depth53 mm53 mm
Added to E-Catalogjanuary 2016june 2013

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.

Sensitivity

This parameter determines the volume of the sound of a particular speaker when a certain standard signal is fed to it. Typically, this is considered a 1 W signal with a frequency of 1000 Hz. The higher the sensitivity, the less the speaker is demanding on the power of the amplifier. So, it is believed that for acoustics connected directly to the car radio, the sensitivity should be 80 dB or more; for less sensitive systems it is recommended to use a separate amplifier.

Tweeter size

Size of the high-frequency speaker(s) included in the speaker design.

Size affects the amount of space required to install the speaker. However, high frequencies do not require large diffusers, so this dimensions is usually small and does not significantly affect the overall dimensions of the speaker system. The only exception is individual high-frequency tweeters (see "Type"), where the overall dimensions of the housing are directly related to the dimensions of the diffuser.

Midrange speaker diameter

The diameter of the midrange speaker(s) provided in the speaker. Midrange in this case may also mean a combined woofer/midrange speaker or an emitter of broadband acoustics (see "Type").

The size of the midrange speaker is often a key parameter that determines the overall dimensions of the acoustics and, accordingly, the requirements for its installation location. Exceptions can only be found among models with separate woofers (see below). But from the point of view of acoustics, a larger size allows you to achieve higher power and richer sound, including on bass.
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