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*We do not stock this woofer at our store, but we can have it dropped shipped to your door from Eminence's warehouse.
Click Here to Download 8 ohm PDF Spec Sheet
Click Here to Download 8 ohm PDF Cabinet Design
Click Here to Download 16 ohm PDF Spec Sheet
Click Here to Download 16 ohm PDF Cabinet Design
DELTA PRO-8A
SPECIFICATION
Nominal Basket Diameter 8'', 203mm
Nominal Impedance* 8 ohms
Power Rating
Watts 225W
Music Program 450W
Resonance 69Hz
Usable Frequency Range 100Hz-3kHz
Sensitivity*** 97.8
Magnet Weight 59 oz.
Gap Height 0.310'', 7.95mm
Voice Coil Diameter 2'', 50.8mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 69Hz
DC Resistance (Re) 5.4
Coil Inductance (Le) 0.82mH
Mechanical Q (Qms) 6.43
Electromagnetic Q (Qes) 0.20
Total Q (Qts) 0.22
Compliance Equivalent Volume (Vas) 18.32 liters / .65 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 66cc
Mechanical Compliance of Suspension (Cms) 0.35mm/N
BL Product (BL) 14.1 T-M
Diaphram Mass inc. Airload (Mms) 19 grams
Efficiency Bandwidth Product (EBP) 307
Maximum Linear Excursion (Xmax) 3.0mm
Surface Area of Cone (Sd) 218.2 cm2
Maximum Mechanical Limit (Xlim) 8.0mm
MOUNTING INFORMATION
Recommended Enclosure
Sealed 8-16 liters / .30-.60 cu.ft.
Vented 10-16 liters/.40-.60 cu.ft.
Overall Diameter 8.02'', 203.71mm
Baffle Hole Diameter 7.36'', 186.9mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.28'', 7.1mm
Mounting Holes B.C. D. 8.60'', 218.4mm
Depth 3.75'', 95mm
Net Weight 10.0 lbs, 4.5 kg
Shipping Weight 11 lbs, 4.9 kg
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap
Click Here to Download 8 ohm PDF Spec Sheet
Click Here to Download 8 ohm PDF Cabinet Design
Click Here to Download 16 ohm PDF Spec Sheet
Click Here to Download 16 ohm PDF Cabinet Design
DELTA PRO-8A
SPECIFICATION
Nominal Basket Diameter 8'', 203mm
Nominal Impedance* 8 ohms
Power Rating
Watts 225W
Music Program 450W
Resonance 69Hz
Usable Frequency Range 100Hz-3kHz
Sensitivity*** 97.8
Magnet Weight 59 oz.
Gap Height 0.310'', 7.95mm
Voice Coil Diameter 2'', 50.8mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 69Hz
DC Resistance (Re) 5.4
Coil Inductance (Le) 0.82mH
Mechanical Q (Qms) 6.43
Electromagnetic Q (Qes) 0.20
Total Q (Qts) 0.22
Compliance Equivalent Volume (Vas) 18.32 liters / .65 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 66cc
Mechanical Compliance of Suspension (Cms) 0.35mm/N
BL Product (BL) 14.1 T-M
Diaphram Mass inc. Airload (Mms) 19 grams
Efficiency Bandwidth Product (EBP) 307
Maximum Linear Excursion (Xmax) 3.0mm
Surface Area of Cone (Sd) 218.2 cm2
Maximum Mechanical Limit (Xlim) 8.0mm
MOUNTING INFORMATION
Recommended Enclosure
Sealed 8-16 liters / .30-.60 cu.ft.
Vented 10-16 liters/.40-.60 cu.ft.
Overall Diameter 8.02'', 203.71mm
Baffle Hole Diameter 7.36'', 186.9mm
Front Sealing Gasket Fitted as standard
Rear Sealing Gasket Fitted as standard
Mounting Holes Diameter 0.28'', 7.1mm
Mounting Holes B.C. D. 8.60'', 218.4mm
Depth 3.75'', 95mm
Net Weight 10.0 lbs, 4.5 kg
Shipping Weight 11 lbs, 4.9 kg
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dustcap Composition Solid composition paper dust cap


