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ETA-8"

 

 

Introducing the Hutchinson Car Audio eta-8! 

This 8" subwoofer is intended to be one of the best you can buy, pushing for higher efficiency, gorgeous aesthetics and sound quality to match! Powder coated in a beautiful gloss black with a red spider and red stitched surround, the eta looks as good as it sounds. With extensive testing and development the eta has been built into a reliable and high performing driver, with linear response up to 23mm of excursion one way by the 70% BL method, lending itself to both high output and excelent sound quality. 


2.5" flat wound 4 layer aluminum coil
750 W RMS
10-pillar motor
10 grade N-52 1.5"x0.5" magnets
4 gauge terminals
7.125" mounting depth

7.25" cutout diameter
Standard carbon fiber 3.5" dustcap
Hutchinson Car Audio standard color scheme - gloss black powder-coat finish with a red spider
 

As with all of our subs, the motors are completely machined and assembled by us here in the USA.

Contact us if you have any other questions.

 

  • Basic Specs

    Mounting Depth: 7.125"

    Cutout Diameter: 7.25"

    overall height: 8.25"

    2 layer, red linear spider

    4 layer 2.5" flat wound aluminum voice coil

    RMS power: 750W

    Weight: 30 lbs

  • T/S parameters

      D1 Paper D2 Paper D1 Composite D2 Composite
    Fs (hz) 47.8 48.5   46.4
    Qts 0.395 0.435   0.373
    Qes 0.453 0.501   0.427
    Qms 3.132 3.265   2.983
    Vas (L) 4.848 4.593   6.103
    Cms (mm/N) 0.097 0.092   0.102
    Rms (kg/s) 97 92   102
    Re (ohms) 1.975 3.686   3.758
    Sd (m^2) 0.019 0.019   0.0206
    Le (mH, 1khz) 1.823 3.418   3.425
    BL (N/amp) 12.233 16.204   17.16
    Mms (g) 114.3 117.3   114.65
    Xmax (mm @70%BL) 23 23   23
    SPL (dB @ 1W/1m) 82.6 82.1   83.5
  • Box Recommendations

    recommended enclosure volume:

    0.75 cu. ft.

    port area:

    12 sq. in

    tuning:

    28hz-32hz

$449.00Price
Voice Coil Impedance
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