DD Audio Digital Designs 508E-D4 8" Dual 4-Ohms 1500W E-Series Subwoofer

The all new 500 Series “e” revision comes to us with an 8” model featuring 2.5” voice coil and 100oz Magnet, and 10”, 12” and 15” models featuring 3” voice coils with 120oz magnet motors. These new drivers come with an extra 12mm of top plate and longer coil windings that result in a 50% increase of Xmax. The power handling increases to 500 Watts on the 508 and 750 Watts on 510, 512 and 515. Upgrades to this series include cones with fiberglass loaded non-pressed treated paper, taller and thicker EROM surrounds with black stitching, heavier dual layering with integrated tinsel leads, and new basket and motor boot designs elevating cosmetics with DD branding.

Features

• Free Flow Cooling System
• High-temp Voice Coil
• Dual Layer Spider System With Integrated Tinsel Leads
• Extended Pole Piece
• DD Logo Basket
• Double Stitched EROM Surrounds
• Fiberglass Loaded Non-Pressed Cones
• Embossed DDesign Magnet Boot

Specifications

• Speaker Size (In):	8
  Watts RMS:	500
  Watts Peak:	1500
  Impedance:	D2 / D4
  VCD (In):	2.5
  Fs (Hz):	44
  Qms:	5.01
  Qes:	0.82
  Qts:	0.71
  Vas (Liters):	4.19
  BL (TM):	24
  Xmech (MM):	22
  Xmax (MM):	14
  Frame OD (In):	8.25
  Frame OD w/Gasket (In):	8.375
  Mounting Diameter (In):	7.125
  Mounting Depth (In):	4.875
  Motor Diameter (In):	6.125
  Motor Depth (In):	2.5
  Magnet Weight (Oz):	100
  Woofer Displacement (CuFt):	0.04
  Ported Enclosure (CuFt):	0.5 - 1.0