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Comparison Hertz DSK 165.3 vs Hertz DSK 170.3

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Hertz DSK 165.3
Hertz DSK 170.3
Hertz DSK 165.3Hertz DSK 170.3
from $199.00 
Expecting restock
from $199.99 
Expecting restock
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Application areacarcar
Typecomponentcomponent
Size6.5" (16.5 cm)6.5" (16.5 cm)
Number of bands22
Specs
Rated power80 W80 W
Max. power160 W160 W
Frequency range50 – 23000 Hz50 – 23000 Hz
Impedance4 Ohm4 Ohm
Sensitivity93 dB93 dB
External crossover
Size
Tweeter size24 mm
Woofer size165 mm170 mm
Mounting depth64 mm
Added to E-Catalogjuly 2012july 2012

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.

Woofer size

Size of the low-frequency speaker(s) provided in the speaker system.

This size is specified only for models with separate bass speakers. In such acoustics, it is the LF emitter that is the largest (this is due to the physical characteristics of the bass range). Accordingly, the space occupied by the entire system is determined mainly by the diameter of the LF speaker. And since the power and richness of the bass also directly depends on the size of the emitter, then when choosing, you have to proceed from a compromise between the capabilities of the acoustics and the available space in the car.

Mounting depth

The mounting depth of car audio is, in fact, the size of the speaker in depth. Note that for component sets (see "Type") this parameter is given for the largest speaker, and for case models it is generally irrelevant.

The mounting depth, along with the diameter of the speaker (see above), determines the amount of space needed to mount the speaker — in this case, how deep a niche would be required for normal mounting. At the same time, the larger the speaker, the larger, usually, the installation depth. And with similar diameters of equal size, a more powerful model is likely to be more “deep”.

The smallest amount of space — up to 15 mm deep — is required by some tweeters. A depth of 16 – 30mm is normal for tweeters and very shallow for general range speakers, most of these models have a depth of 30mm or more. At the same time, full-range speakers are usually "recessed" by less than 60 mm, component systems — by less than 90 mm, and more depth may be required only for some coaxial and mid-range models and, oddly enough, tweeters.
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