{"id":3724,"date":"2023-05-27T08:46:44","date_gmt":"2023-05-27T14:46:44","guid":{"rendered":"https:\/\/adcaraudio.com\/store\/?post_type=product&p=3724"},"modified":"2026-08-08T08:26:46","modified_gmt":"2026-08-08T14:26:46","slug":"3008-d4","status":"publish","type":"product","link":"https:\/\/adcaraudio.com\/store\/product\/3008-d4\/","title":{"rendered":"3008 D2\/D4 – 3000 Series 8″ Subwoofer"},"content":{"rendered":"

This is an SPL driver. Rather than broad (musical) range, it is optimized for high “one note” performance in small to medium size competition-style vented enclosures.<\/p>\n

Dual 2 ohm<\/span><\/strong><\/p>\n

Fs<\/strong>\u00a047 Hz
\nQms<\/strong>\u00a04.333
\nVas<\/strong>\u00a03.467 liters
\nCms<\/strong>\u00a00.0668 mm\/N
\nMms<\/strong>\u00a0171.5 g
\nRms<\/strong>\u00a011.69 kg\/s
\nDia<\/strong>\u00a0156 mm
\nSd<\/strong>\u00a0191.1 sq cm<\/p>\n

Qes<\/strong>\u00a00.619
\nRe<\/strong>\u00a03.6 ohms
\nLe<\/strong>\u00a0 1.641 mH
\nZ<\/strong>\u00a0 \u00a0 \u00a0 \u00a0ohms
\nBL<\/strong>\u00a017.16 Tm
\nBL^2\/Re<\/strong>\u00a0 N^2\/W<\/p>\n

Qts<\/strong>\u00a00.542
\nno<\/strong>\u00a0 \u00a0 %
\nSPL<\/strong>\u00a079.5 dB
\nEBP<\/strong><\/p>\n

 <\/p>\n

Dual 4 ohm<\/span><\/strong><\/p>\n

Fs<\/strong> 47 Hz
\nQms<\/strong> 4.033
\nVas<\/strong> 4.162 liters
\nCms<\/strong> 0.0802 mm\/N
\nMms<\/strong> 142.5 g
\nRms<\/strong> 10.47 kg\/s
\nDia<\/strong> 156.000 mm
\nSd<\/strong> 191.1 sq cm<\/p>\n

Qes<\/strong> 0.686
\nRe<\/strong> 6.40 ohms
\nLe<\/strong>\u00a0 2.44 mH
\nZ<\/strong>\u00a0 \u00a0 \u00a0 \u00a0ohms
\nBL<\/strong> 19.83 Tm
\nBL^2\/Re<\/strong>\u00a0 N^2\/W<\/p>\n

Qts<\/strong> 0.586
\nno<\/strong>\u00a0 \u00a0 %
\nSPL<\/strong> 79.9 dB
\nEBP<\/strong><\/p>\n

XMax<\/strong> 17.5mm<\/p>\n

Nominal Diameter<\/strong> 8in
\nOverall Diameter<\/strong> 8.7in \/ 221mm
\nMounting Hole Diameter<\/strong> 7.454in \/ 190mm
\nBolt Hole Circle Diameter<\/strong>
\nMotor Outer Diameter <\/strong>6.69in \/ 170mm
\nMounting Depth<\/strong> 6.14 in \/ 156.23mm
\nRequired Pole Vent Clearance<\/strong>
\nDriver Displacement<\/strong> 0.085 cu ft \/ 2.465 l<\/p>\n

Minimum Sealed Volume<\/strong>
\nMinimum Vented Volume<\/strong>\u00a0 \u00a0cu ft \/ l net*<\/p>\n

* Tune for desired response<\/p>\n

 <\/p>\n

Visit our Enclosure Design Service<\/a> page for one off custom designs.<\/p>\n

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<\/h3>\n
    \n
  • 400W \u2013 800W optimal power range<\/li>\n
  • 2.5 inch high temp voice coil<\/li>\n
  • Triple stack 173oz motor<\/li>\n
  • 17.5mm Xmax<\/li>\n
  • Double high current tinsel leads<\/li>\n
  • Double blend material spider<\/li>\n
  • Designed for vented enclosures<\/li>\n
  • Engineered in the USA.<\/li>\n
  • Available in Dual 2 ohm or Dual 4 ohm coil configuration<\/li>\n
  • Sold Individually<\/strong><\/span><\/li>\n<\/ul>\n