High sensitivity midrange driver for pro audio or MI. Truncated cast aluminum heat sink style basket is great for stacking in a line array.

SPECIFICATION
Nominal Basket Diameter	8", 203 mm
Nominal Impedance*	8 Ω
Power Rating*
Program Power	450 W
Watts	225 W
Resonance	69 Hz
Usable Frequency Range	100 Hz - 3 kHz
Sensitivity*	97.8 dB
Magnet Weight	59 oz.
Gap Height	0.31", 7.9 mm
Voice Coil Diameter	2", 51 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)	69 Hz
DC Resistance (Re)	5.4 Ω
Coil Inductance (Le)	0.82m H
Mechanical Q (Qms)	6.43
Electromagnetic Q (Qes)	0.22
Total Q (Qts)	0.22
Compliance Equivalent Volume (Vas)	18.32 liters / 0.65 cu.ft.
Peak Diaphragm Displacement Volume (Vd)	66 cc
Mechanical Compliance of Suspension (Cms)	0.28 mm/N
BL Product (BL)	14.1 T-M
Diaphragm Mass Inc. Airload (MMs)	19 grams
Efficiency Bandwidth Product (EBP)	307
Maximum Linear Excursion (Xmax)	3 mm
Surface Area of Cone (Sd)	218.2 cm2
Maximum Mechanical Limit (Xlim)	7 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed	8-16 liters / 0.3-0.6 cu.ft.
Vented	10-16 liters / 0.4-0.6 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 and extended 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

Eminence Delta Pro-8A 8" 225 Watts

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