SA-Series v.2 18" Subwoofer

$499.99


  • 1250 Watts RMS / 2500 Watts Peak
  • Dual 2 or 4 ohm voice coils
  • Vented magnetic gap & pole piece
  • Aluminum 2.75” voice coil former for superior heat dissipation
  • Magnet ID faraday ring for smooth acoustic response
  • High-temperature copper voice coil wire
  • Spring-loaded terminals
This SA-10/12/15 v.2 series is a top-down upgrade from the original SA series. The 2.75” coil punches way above its weight, outperforming many 3” coils without the adding weight & with the added advantage of a wider spider. We are able to perfectly balance the mass, motor force, and suspension stiffness for the intended power level.

The motor also features a large magnet shorting ring (faraday ring) to reduce distortion and deliver smoother response across the entire acoustic spectrum. The motor & coil setup is mated to an extremely robust multi-layer spider with fully tied-on & doubled-up “XL” tinsel leads. A competition-grade paper cone, strong foam surround, and cast aluminum frame are used to complete this masterpiece. On top of the ~19mm of one-way linear excursion we have an x-mech limit of 37mm one-way before coil bottom making it nearly "bottomless."

The 18" model features a larger diameter motor to drive the higher mass.

    Specifications

    T/S SPECS SAV2 18″ D2 SAV2 18″ D4
    RE (Ohms) 3.97 6.06
    FS (Hz) 29.051 31.868
    VAS (L) 114.234 106.964
    Qes 0.424 0.458
    Qms 3.052 2.853
    Qts 0.372 0.395
    Le (mH) 3.6326 4.7903
    BL (NA) 32.523 38.159
    Mms (Grams) 619.174 549.519
    Cms (uM/N) 48.474 45.389
    Sens (dB @ 1w/1m) 90.1 90.7
    Xmax 19mm 19mm

    Enclosure Specifications

    Sealed Enclosure 3.5 cu ft
    Ported Enclosure 4.5 cu ft
    Recommended Tuning 35Hz
    Recommended Port Area 64 sq in
    Displacement 0.2 cu ft
    Depth 10.125"
    Outside Diameter 18.62"
    Cut-Out 16.69″
    Physical Dimensions Download

    Enclosure Designs

    .Zip File