Eminence Delta Pro-8B - 16 ohm 8" 225W Line Array Pro Audio Woofer

SKU: 605-011

Sale price$157.97
In stock (7 units)


High sensitivity mid-range driver for Pro Sound PA or MI. Tuncated cast aluminum heat sink style basket is great for stacking in a line array.

Speaker Detail
Nominal Basket Diameter 8", 203 mm
Nominal Impedance* 16 Ω
Power Rating*
Program Power 450 W
Watts 225 W
Resonance 71 Hz
Usable Frequency Range 100 Hz - 5 kHz
Sensitivity* 99 dB
Magnet Weight 59 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm
Thiele & Small Parameters
Resonant Frequency (fs) 71 Hz
DC Resistance (Re) 10.5 Ω
Coil Inductance (Le) 0.9m H
Mechanical Q (Qms) 7.47
Electromagnetic Q (Qes) 0.27
Total Q (Qts) 0.27
Compliance Equivalent Volume (Vas) 18.28 liters / 0.65 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 66 cc
Mechanical Compliance of Suspension (Cms) 0.27 mm/N
BL Product (BL) 17.6 T-M
Diaphragm Mass Inc. Airload (MMs) 18 grams
Efficiency Bandwidth Product (EBP) 260
Maximum Linear Excursion (Xmax) 3 mm
Surface Area of Cone (Sd) 218.9 cm2
Maximum Mechanical Limit (Xlim) 7 mm
Mounting Information
Recommended Enclosure Volume
Sealed 8-14 liters / 0.3-0.5 cu.ft.
Vented 8-16 liters / 0.3-0.6 cu.ft.
Driver Volume Displaced 0.037 cu.ft. / 1.04 liters
Major Diameter 9.36", 237.7 mm
Flat to Flat Diameter 8.02", 203.7 mm
Baffle Hole Diameter 7.36", 186.9 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.28", 7.1mm
Mounting Holes B.C.D. 8.6", 218.4mm
Depth 3.75", 95.3 mm
Net Weight 10 lbs, 4.54 kg
Shipping Weight 11 lbs, 4.99 kgs
Materials of Construction
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Die-cast aluminum basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap
response graph