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 6.4 Ohm
• Nominal Impedance 8 Ohm
• Nominal Power Handling*** 200 W
• Maximum Power Handling**** 400 W
• Sensitivity (1W/1m) 97 dB
• Frequency Range 80 - 6300 Hz
• Voice Coil Diameter 2“, 52 mm
• Winding Material Aluminium
• Former Material Glass Fiber
• Winding Depth 0.39“, 9.8 mm
• Magnetic Gap Depth 0.31“, 8 mm
• Flux Density 1.3 T

• Resonant Frequency (fs) 90 Hz
• DC Resistance (Re) 5.3 Ohm
• BL Product (BL) 13 N/A
• Diaphragm Mass inc. Airload (Mms) 23 grams
• Mechanical Compliance of Suspension (Cms) 0.14 mm/N
• Rms 1.53 Kg/s
• Electromagnetic Q (Qes) 0.41
• Mechanical Q (Qms) 8.5
• Total Q (Qts) 0.39
• Compliance Equivalent Volume (Vas) 0.29 ft³, 8.26 dm³
• Surface Area of Cone (Sd) 32.09“², 207 cm²
• Maximum Linear Excursion (Xmax)* 3.57 mm
• Xdamage** 10.65 mm
• Coil Inductance (Le) 0.41 mH
• Diaphragm mass (Mmd) 21.2 g
• Eta Zero 1.44 %

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

• 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

• 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 225 W / Music Program 450 W
• Resonance 65 Hz
• Usable Frequency Range 78 Hz - 4.5 kHz
• Sensitivity 95.1
• Magnet Weight 34 oz.
• Gap Height 0.312“, 7.92 mm
• Voice Coil Diameter 2“, 50.8 mm

• Resonant Frequency (fs) 65 Hz
• DC Resistance (Re) 5.99
• Coil Inductance (Le) 0.49 mH
• Mechanical Q (Qms) 4.95
• Electromagnetic Q (Qes) 0.42
• Total Q (Qts) 0.38
• Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 63 cc
• Mechanical Compliance of Suspension (Cms) 0.37 mm/N
• BL Product (BL) 9.6 T-M
• Diaphragm Mass inc. Airload (Mms) 16 grams
• Efficiency Bandwidth Product (EBP) 156
• Maximum Linear Excursion (Xmax) 3.0 mm
• Surface Area of Cone (Sd) 210.0 cm²
• Maximum Mechanical Limit (Xlim) 7.4 mm

• Recommended Enclosure Volume Sealed 5.7-9.9 liters/0.2-0.35 cu.ft. Vented 8.5-19 liters/0.3-0.67 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 3.5“, 89 mm

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

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