View this product description in Norwegian.

Features:
 15" bass and mid-range driver providing 98dB sensitivity and 250Wrms
(AES standard) power handling
 2.5" high temperature copper voice coil wound on polyimide for increased reliability
 Ideal for 2-way and 3-way systems
 Kevlar-loaded cone with sealed surround and damping for reduced distortion
 Rigid chassis design for maximum energy transfer
 Vented magnet assembly for enhanced cooling
General Specifications:

• Nominal diameter: 381mm/15in
• Power rating: 250Wrms
• Nominal impedance: 8 Ohm
• Sensitivity: 98dB
• Frequency range: 40-3000Hz
• Voice coil diameter: 64mm/2.5in
• Chassis type: Pressed steel
• Magnet type: Ferrite
• Magnet weight: 1.2kg/42oz
• Coil material: Round copper
• Former material: Polyimide
• Cone material: Kevlar loaded paper
• Surround material: Cloth-sealed
• Suspension: Single
• Xmax: 2.5mm/0.1in
• Gap depth: 8mm/0.31in
• Voice coil winding width: 13mm/0.51in

Small Signal Parameters:

• D: 0.33m/12.99in
• Fs: 47Hz
• Mms: 78.2g/2.76oz
• Mmd: 64.1g/2.26oz
• Qms: 5.9
• Qes: 0.66
• Qts: 0.59
• Re: 5.21 Ohm
• Vas: 152.5lt/5.38ft3
• Bl: 13.5Tm
• Cms: 0.149mm/N
• Rms: 3.94kg/s
• Le: (at 1kHz) 0.82mH

Mounting Information:

• Overall diameter: 385mm/15.16in
• Overall depth: 153mm/6.02in
• Cut-out diameter: 351mm/13.82in
• Mounting slot dimensions: 9.2mm x 6.2mm/0.36in x 0.24in
• Number of mounting slots: 8
• Mounting PCD range: 369mm/14.56in
• Unit weight: 5.2kg/11.5lb