SICA Z004930C 8 M 1,5 CS 8Ω 200W MIDRANGE 8”

• 1,5'' voice coil Epotex former
• Ferrite magnet circuit
• Closed steel basket
• 98.7 dB sensitivity

• 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

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

• • 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

• Great for line arrays and horn loading
• Neodymium magnet assembly
• Ventilated voice coil gap for reduced power compression
• Inductance-reducing copper cap on pole piece extends HF response
• 2" copper voice coil on polyimide former
• 400 watts continuous program power capacity
• 65 - 3,000 Hz response

Nominal Specifications

    * Nominal Diameter 8“, 200 mm
    * Overall Diameter 8.81/8.18“, 223.8/207.9 mm
    * Bolt Circle Diameter 8.27“, 210 mm
    * Baffle Cutout Diameter 7.24“, 184 mm
    * Depth 4.59“, 116.7 mm
    * Flange and Gasket Thickness 0.42“, 10.7 mm


Electrical Specifications

    * Minimum Impedance 5.9 Ohm
    * Nominal Impedance 8 Ohm
    * Nominal Power Handling*** 200 W
    * Maximum Power Handling**** 400 W
    * Sensitivity (1W/1m) 92 dB
    * Frequency Range 80 - 5000 Hz
    * Voice Coil Diameter 2“, 52 mm
    * Winding Material Aluminium
    * Former Material Glass Fiber
    * Winding Depth 0.76“, 19.3 mm
    * Magnetic Gap Depth 0.27“, 7 mm
    * Flux Density 1.05 T


THIELE & SMALL Parameters

    * Resonant Frequency (fs) 74 Hz
    * DC Resistance (Re) 5.1 Ohm
    * BL Product (BL) 8.9 N/A
    * Diaphragm Mass inc. Airload (Mms) 23 grams
    * Mechanical Compliance of Suspension (Cms) 0.2 mm/N
    * Rms 2 Kg/s
    * Electromagnetic Q (Qes) 0.69
    * Mechanical Q (Qms) 5.30
    * Total Q (Qts) 0.61
    * Compliance Equivalent Volume (Vas) 0.32 ft³, 9 dm³
    * Surface Area of Cone (Sd) 27.5“², 177.3 cm²
    * Maximum Linear Excursion (Xmax)* 8.48 mm
    * Xdamage** 12.9 mm
    * Coil Inductance (Le) 0.6 mH
    * Diaphragm mass (Mmd) 21.6 g
    * Eta Zero 0.5 %

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