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

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

50 mm (2 in) copper voice coil
70 - 3000 Hz response
94 dB sensitivity
Neodymium magnet allows a very light yet powerful motor assembly
Shorting copper cap for extended HF response
400 W continuous program power capacity
Ventilated voice coil gap for reduced power compression

Compatible with NEXO PS8 

• Specifications
  • Nominal diameter200 mm (8.0 in)
  • Nominal impedance8 Ω
  • Minimum impedance6.6 Ω
  • Nominal power handling *200 W
  • Continuous power handling *400 W
  • Sensitivity (1W/1m) *94.0 dB
  • Frequency range65 - 3000 Hz
  • Voice coil diameter51 mm (2.0 in)
  • Winding materialCopper
  • Former materialGlass Fibre
  • Winding depth17 mm (0.65 in)
  • Magnetic gap depth8 mm (0.31 in)
  • Flux density1.05 T
• Design
  • Surround shapeDouble Roll
  • Cone shapeExponential
  • Magnet materialNeodymium Inside Slug
  • SpiderSingle
  • Pole designStraight Pole
  • Woofer cone treatmentTWP Waterproof Both Sides
  • Recommended enclosure14.0 dm3 (0.49 ft3)
  • Recommended tuning65 Hz
• Parameters *
  • Fs66 Hz
  • Re5.3 Ω
  • Qes0.41
  • Qms3.6
  • Qts0.37
  • Vas14.0 dm3 (0.5 ft3)
  • Sd220.0 cm2 (34.1 in2)
  • η₀1.0 %
  • Xmax7.0 mm
  • Xvar7.0 mm
  • Mms28 g
  • Bl12.4 Txm
  • Le0.5 mH
  • EBP160 Hz
• Mounting And Shipping Info
  • Overall diameter225 mm (8.8 in)
  • Bolt circle diameter210 mm (8.3 in)
  • Baffle cutout diameter187.0 mm (7.4 in)
  • Depth90 mm (3.5 in)
  • Flange and gasket thickness11 mm (0.4 in)
  • Air volume occupied by driver1.1 dm3 (0.04 ft3)
  • Net weight1.8 kg (4.0 lb)
  • Shipping units1
  • Shipping weight2.2 kg (4.8 lb)
  • Shipping box300x160x180 mm (11.8x6.3x7.1 in)

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

• 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