Eminence 820H 8″ Speaker 20 W 4 Ohms

• 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

Nominal Specifications

    * Nominal Diameter 8“, 200 mm
    * Overall Diameter 8.81/8.18“, 223.8/203.9 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 6.4 Ohm
    * Nominal Impedance 8 Ohm
    * Nominal Power Handling*** 200 W
    * Maximum Power Handling**** 400 W
    * Sensitivity (1W/1m) 95 dB
    * Frequency Range 60 - 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 0.35“, 9 mm
    * Flux Density 1.15 T


THIELE & SMALL Parameters

    * Resonant Frequency (fs) 58 Hz
    * DC Resistance (Re) 5.1 Ohm
    * BL Product (BL) 11.3 N/A
    * Diaphragm Mass inc. Airload (Mms) 24 grams
    * Mechanical Compliance of Suspension (Cms) 0.31 mm/N
    * Rms 0.93 Kg/s
    * Electromagnetic Q (Qes) 0.34
    * Mechanical Q (Qms) 9.4
    * Total Q (Qts) 0.35
    * Compliance Equivalent Volume (Vas) 0.62 ft³, 17.6 dm³
    * Surface Area of Cone (Sd) 30.8“², 199 cm²
    * Maximum Linear Excursion (Xmax)* 8.15 mm
    * Xdamage** 13.5 mm
    * Coil Inductance (Le) 0.55 mH
    * Diaphragm mass (Mmd) 22 g
    * Eta Zero 1.02 %

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 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

Recone kit for FP8PR200

Woofer from JBL for control 28 speaker.

• JBL Control 28 Factory Speaker Woofer Part # 124-58001-00
• This is a complete brand new JBL, Control 28 woofer
• Voice coil: 1-1/2" (25mm)
• Diameter: 8-1/4" (210mm) 9-1/4" (235mm) diagonally
• Impedance: 8 ohm, DCR: 6 ohm
• Poly cone with rubber edge
• Fits JBL Driver and Cabinet Models:
  
  JBL: Control 28, Control 28T, Control 28T60, Control 28WH, 123-10002-00, 1231000200124-58001-00, 1245800100