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Comparison JBL GTO-939 vs JBL GTO-938

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JBL GTO-939
JBL GTO-938
JBL GTO-939JBL GTO-938
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Application areacarcar
Typecoaxialcoaxial
Size6x9" (15x23 cm)6x9" (15x23 cm)
Number of bands33
Specs
Rated power100 W100 W
Max. power300 W300 W
Frequency range46 – 21000 Hz45 – 21000 Hz
Impedance3 Ohm2 Ohm
Sensitivity94 dB94 dB
Size
Tweeter size25 mm
Added to E-Catalogseptember 2012april 2012

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.

Impedance

The term "impedance" refers to the electrical resistance of AC systems whose DC resistance is very low, such as loudspeakers. In modern car audio, the most common impedance is 2, 4 or 8 ohms. This parameter has practically no effect on the sound quality — it serves to select the optimal combination of acoustics and an external amplifier. If the speaker impedance is higher than that for which the amplifier is designed, the sound will be quieter than necessary, and if the impedance is lower, distortion in the sound is possible.

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.
JBL GTO-939 often compared
JBL GTO-938 often compared