Alpine SWR-8D2 - 20cm Subwoofer

SWR-8D2

20 cm (8-inch) Type-R Subwoofers (2Ω + 2Ω) 
The redesigned fifth-generation Type-R subwoofer, with advanced parameters for precise and punchy bass extension, ensures fast and accurate bass response in your vehicle.

load-bearing capacity

• Max RMS power: 350 W
• Average load capacity: 150 - 350 W
• Max. Power: 1000 W

domestic equipments
membrane

• Material: Reinforced parabolic cone s tructure with poly mica dust cap & Pulp - Kevlar cone body

• Design: 2-part parabolic structure

surround

• Material: Pressed molded Santoprene

• Design: Multi-roll bead with high deflection

centering

• Material: Nomex

• Design: Progressive Conex spider with woven pigtails

voice coil

• Material: High temperature resistant 38 mm voice coil

• Design: 4-ply double voice coil with spiral cut

Engine structure

• Pole Geometry: Extended Pole Geometry

• Configuration: Compound Radius Curve

basket

• Material: Aluminum die-cast basket

• Design: Permanent Heat Dissipation (Patent Pending)

connection terminal

• Layout: One-sided connection

• Design: Printing terminals for large cable cross-sections up to 10 mm² and connection for banana plugs

pigtails

• Design: Reinforced woven pigtails (Patent # 6,810,988)

• installation cover

• Design: Concealed Basket Gasket (Integrated Grille Mount, US Pat # 7,760,900)

SPECIFICATION
load-bearing capacity

• Nominal load capacity: 350 watts RMS

• Average load capacity: 150 - 350 watts

• Peak load capacity: 1000 watts

Dimensions:

• Installation depth: 115 mm

• Installation diameter: 176 mm

• Displacement: 1.4 l

• Added volume: 1.0 l

General

• Impedance: 2 ohms + 2 ohms

• Frequency response: 30 - 200 Hz