AUDIEN SP-08103-02 Woofer 8” 4OHM 80Wrms

• 96 dB Sensitivity 1 W / 1 m
• 200 W Power Handling
• 2" Aluminium Sandwich Voice Coil for low Power Compression
• Double treated Cone for Water Protection
• Neodymium Magnet System
• Triple Aluminum demodulating Rings for ultra low Distortion
• Optimal for compact 2- or 3-way Systems

• Nominal Basket Diameter 8“, 203.2 mm
• Nominal Impedance 8 ohms
• Power Rating Watts 125 W / Music Program 250 W
• Resonance 73 Hz
• Usable Frequency Range 58 Hz - 5 kHz
• Sensitivity 94
• Magnet Weight 20 oz.
• Gap Height 0.25“, 6.35 mm
• Voice Coil Diameter 1.5“, 38.1 mm

• Resonant Frequency (fs) 73 Hz
• DC Resistance (Re) 5.3
• Coil Inductance (Le) 0.44 mH
• Mechanical Q (Qms) 4.6
• Electromagnetic Q (Qes) 0.68
• Total Q (Qts) 0.59
• Compliance Equivalent Volume (Vas) 17.7 liters / 0.6 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 67 cc
• Mechanical Compliance of Suspension (Cms) 0.28 mm/N
• BL Product (BL) 7.8 T-M
• Diaphragm Mass inc. Airload (Mms) 17 grams
• Efficiency Bandwidth Product (EBP) 107
• Maximum Linear Excursion (Xmax) 3.2 mm
• Surface Area of Cone (Sd) 210.0 cm²
• Maximum Mechanical Limit (Xlim) 7.1 mm

• Recommended Enclosure Volume Sealed 5-7 liters / 0.18-0.25 cu. ft. Vented 16.7-25.5 liters / 0.59-0.90 cu. ft.
• Overall Diameter 8.24“, 209.2 mm
• Baffle Hole Diameter 7.13“, 181 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.22“, 5.5 mm
• Mounting Holes B.C.D. 7.75“, 196.9 mm
• Depth 3.25“, 83 mm

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented core
• Pressed steel basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap

• • 8” neodymium magnet driver with 1.5” voice coil, providing 200Wrms (AES) continuous power handling
  • Suitable for line array applications, utilizing a space-efficient octagonal chassis profile
  • Optimized flux distribution in the magnet assembly provides low harmonic distortion
  • M-roll surround provides progressive excursion control, generating a smooth frequency response
  • Intelligent heat management in both chassis and magnet assembly design offers reduced thermal compression

Nominal Specifications

• Nominal Diameter 8“, 200 mm
• Overall Diameter 8.81/8.18“, 223.7/207.9 mm
• Bolt Circle Diameter 8.27“, 210 mm
• Baffle Cutout Diameter 7.20“, 183 mm
• Depth 3.88“, 98.5 mm
• Flange and Gasket Thickness 0.43“, 10.8 mm

• Minimum Impedance 7 Ohm
• Nominal Impedance 8 Ohm
• Nominal Power Handling*** 200 W
• Maximum Power Handling**** 400 W
• Sensitivity (1W/1m) 95 dB
• Frequency Range 70 - 5000 Hz
• Voice Coil Diameter 2“, 52 mm
• Winding Material Aluminium
• Former Material Glass Fiber
• Winding Depth 0.65“, 16.5 mm
• Magnetic Gap Depth 0.31“, 8 mm
• Flux Density 1.15 T

• Resonant Frequency (fs) 65 Hz
• DC Resistance (Re) 5.7 Ohm
• BL Product (BL) 13.5 N/A
• Diaphragm Mass inc. Airload (Mms) 25,3 grams
• Mechanical Compliance of Suspension (Cms) 0.24 mm/N
• Rms 3.38 Kg/s
• Electromagnetic Q (Qes) 0.32
• Mechanical Q (Qms) 3.1
• Total Q (Qts) 0.29
• Compliance Equivalent Volume (Vas) 0.46 ft³, 12.9 dm³
• Surface Area of Cone (Sd) 30.38“², 196 cm²
• Maximum Linear Excursion (Xmax)* 6.92 mm
• Xdamage** 15.7 mm
• Coil Inductance (Le) 0.46 mH
• Diaphragm mass (Mmd) 23.7 g
• Eta Zero 1.06 %

Notes

• *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
• **Maximum excursion before permanent damage
• ***2 Hours Test According to AES 2-1984 Rev. 2003
• ****Maximum power is defined as 3dB greater than nominal power

500 W continuous program power capacity 100° nominal coverage 70 - 18000 Hz response 97dB sensitivity Single Neodymium magnet assembly