Audison AP 690 Woofer | 300 W Peak Power | 6″ x 9″ | 4 ohm

• 25 mm pure copper voice coil, for high power handling and
  outstanding low frequency control.
• Water-repellent treated paper cone, featuring a profile developed
  with FEM (Finite Element Method) simulation technology and
  optimized with the Klippel R&D Scan Vibrometer.
• Reduced mounting depth, providing ease of installation in OEM
  placements.
• “Triple Wave” surround profile for maximum excursion linearity.
• Compact basket, protected by abrasion-resistant and scratchproof coating, the motor affixed with damping epoxy adhesive.
• High current fast-on terminal with double contact on positive
  and negative poles for high flexibility and quick connection. 

TECHNICAL SPECS
Size    690 mm
Power Handling - Peak    300 W
Power Handling - Continuous    100 W
Impedance    4 Ohm
Frequency Response    40 - 5 k Hz
Magnet Material    HIGH DENSITY FLUX FERRITE
Cone Material    WATER-REPELLENT TREATED PAPER CONE
Xmax    4 mm

ELECTRIC-ACOUSTIC SPECS
D    171 mm
Re    3.1 Ohm
Fs    55 Hz
Vas    37.1 l
Mms    17 g
Cms    0.5 mm/N
BL    5.3 T•m
Qms    7
Qts    0.6
Le Standard    0.2 mH
Spl    95 dB