Massive Audio - H84XR - 8" 1000 Watts RMS Dual 4 Ohm 2.5" V.C. Subwoofer

H84XR - 8" 1000 Watts RMS Dual 4 Ohm 2.5" V.C. Subwoofer

Features:

• Heavy Duty, Rugged Industrial Textured Cast Aluminum Basket
• 120oz High Energy Double Stack Strontium Magnet Structure
• Dual Impedance Black Anodized Voice Coil Former with Kevlar Spunlace
• Kevlar Fiber Reinforced Non-Pressed Paper Cone with Industrial Textured Finish
• Red Stitched Edge to the Cone’s Edge for Added Strength
• Over Sized Mirror Image Dual Poly / Nomex Spiders
• Black Anodized One Piece Pole-Plate for Added Motor Force
• Heavy Duty Direct Input Wires Connection to Voice Coils
• Reinforced Fiberglass Woven Dust cap for High Power Applications
• Custom Tooled Rubber Gasket and Magnet Boot

Specifications:

• Size: 8"
• Peak Watts: 1800
• RMS Watts: 1000
• Cone: Non-Pressed Paper
• Voice Coil: 2.5" Dual 4 Ohm
• Surround: Tall and Narrow Foam
• Magnet: 120oz Strontium
• Terminals: Heavy Duty Direct Input Wires Connection
• Basket: Cast Aluminum
• Tinsel Leads: Heavy Duty Triple

Thiele & Small Parameters: (T/S Parameters on website supersede user manual specifications)

• X-Max: 15mm
• SPL: 78.58dB
• Fs: 48 Hz
• Re: 6.4 Ohms
• Le: 0.849 mH
• BL: 34.55 Tm
• Qms: 3.918
• Qes: 0.752
• Qts: 0.631
• Vas: 3.4L
• Cms: 0.543 um/N
• Mms: 208.1g
• Sd: 0.021 sq cm
• Vd: 0.315L

Recommended:

• Ported Box: 19.8" H x 11" D x 12.5" W (Round Port 2.5" x 7.64") Internal
• Sealed Box: 1.39 ft3 Internal