EMINENCE EDP8B Delta- Pro- 8A 8” 225 W 16 Ohm SPEAKER – Alu Basket

DELTA PRO- 8B Series Standard American

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and
monitor wedges.

• Nominal Basket Diameter 8“, 203mm
• Nominal Impedance 16 ohms
• Power Rating Watts 225 W / Music Program 450 W
• Resonance 69 Hz
• Usable Frequency Range 100 Hz - 3.0 kHz
• Sensitivity 97.8
• Magnet Weight 59 oz.
• Gap Height 0.31“, 7.95 mm
• Voice Coil Diameter 2.0“, 50.8 mm 

• Resonant Frequency (fs) 69 Hz
• DC Resistance (Re) 5.4
• Coil Inductance (Le) 0.82 mH
  
• Mechanical Q (Qms) 6.43
• Electromagnetic Q (Qes) 0.20
• Total Q (Qts) 0.22
• Compliance Equivalent Volume (Vas) 18.32 liters / 6.47 cu. ft.
• Peak Diaphragm Displacement Volume (Vd) 65.68 cc
• Mechanical Compliance of Suspension (Cms) 0.35 mm/N
• BL Product (BL) 14.1 T-M
• Diaphragm Mass inc. Airload (Mms) 19.3 grams
• Efficiency Bandwidth Product (EBP) 307
• Maximum Linear Excursion (Xmax) 3.0 mm
• Surface Area of Cone (Sd) 218.2 cm²
• Maximum Mechanical Limit (Xlim) 8.0 mm 

• Recommended Enclosure Volume
  Sealed 8-16 liters / 0.30-0.60 cu. ft.
  Vented 10-16 liters / 0.40-0.60 cu. ft.
• Overall Diameter 8.02“, 203.71mm
• Baffle Hole Diameter 7.36“, 186.94 mm
• Front Sealing Gasket fitted as standard
• Rear Sealing Gasket fitted as standard
• Mounting Holes Diameter 0.28“, 7.11 mm
• Mounting Holes B.C.D. 8.60“, 218.44 mm
• Depth 3.75“, 95.25 mm

• Copper voice coil
• Polyimide former
• Ferrite magnet
• Vented and extended core
• Die-cast aluminum basket
• Paper Cone
• Cloth cone edge
• Solid composition paper dust cap
  

• 94 dB sensitivity 1 W / 1 m
• 250 W Power handling
• 2" voice coil
• Double treated cone for water protection
• Neodymium magnet system
• Tripie aluminum demodulating rings for ultra low distortion
• Optimal for compact 2-way systems
• Light weight carbon fibre diaphragm

• 93 dB sensitivity 1 W / 1 m
• 200 W + 80 W Power Handling
• 2" + 1.75" Sandwich Voice Coil
• Single Point Source providig coherent Wave Front
• 90° conical Dispersion
• Optimal for compact 2- or 3-way Systems

• 93 dB sensitivity 1 W / 1 m
• 200 W + 80 W Power Handling
• 2" + 1.75" Sandwich Voice Coil
• Single Point Source providig coherent Wave Front
• 90° conical Dispersion
• Optimal for compact 2- or 3-way Systems

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 6.5 Ohm
    * Nominal Impedance 8 Ohm
    * Nominal Power Handling*** 150 W
    * Maximum Power Handling**** 300 W
    * Sensitivity (1W/1m) 94 dB
    * Frequency Range 80 - 6300 Hz
    * Voice Coil Diameter 2“, 52 mm
    * Winding Material Aluminium
    * Former Material Glass Fiber
    * Winding Depth 0.53“, 13.5 mm
    * Magnetic Gap Depth 0.31“, 8 mm
    * Flux Density 1 T


THIELE & SMALL Parameters

    * Resonant Frequency (fs) 76 Hz
    * DC Resistance (Re) 5.8 Ohm
    * BL Product (BL) 9.86 N/A
    * Diaphragm Mass inc. Airload (Mms) 20.9 grams
    * Mechanical Compliance of Suspension (Cms) 0.2 mm/N
    * Rms 2.11 Kg/s
    * Electromagnetic Q (Qes) 0.59
    * Mechanical Q (Qms) 4.72
    * Total Q (Qts) 0.53
    * Compliance Equivalent Volume (Vas) 0.42 ft³, 11.9 dm³
    * Surface Area of Cone (Sd) 31“², 200 cm²
    * Maximum Linear Excursion (Xmax)* 5.42 mm
    * Xdamage** 12 mm
    * Coil Inductance (Le) 0.55 mH
    * Diaphragm mass (Mmd) 19.4 g
    * Eta Zero 0.85 %

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