CAST FRAME EMINENCE DELTA PRO-8A HANDLES 225 WATTS RMS & 450 WATTS PROGRAM
8" MIDRANGE SPEAKER WITH HIGH SENSITIVITY OF 97.8DB SPL
FRAME DESIGN IS GREAT FOR LINE ARRAY SPEAKER SYSTEMS
CAST ALUMINUM BASKET FOR GREATER STRENGTH
THE DELTA PRO-8A IS FOR ALL HIGH EFFICIENCY MIDRANGE APPLICATIONS
8 OHMS
 
Nominal Basket Diameter
8" / 203mm
Impedance
8 ohms
RMS Power Rating
225 Watts
Program Power Rating
450 Watts
Frequency Response
100Hz - 3.0kHz
Sensitivity (1W/1m)
97.8 dB
Voice Coil Diameter
2" / 50.8mm
Gap Height
.31" / 7.95mm
Rec. Enclosure Vol. (Sealed)
8-16 Liters / 1-1.25 cu. ft.
Rec. Enclosure Vol. (Vented)
10-16 Liters / .4-.6 cu. ft.
Mounting Information
Overall Diameter
8.02" / 203.7mm
Bolt Circle Diameter
8.6" / 218.4mm
Baffle Cutout Diameter
7.36" / 186.9mm
No. Of Mounting Holes
4
Mounting Hole Diameter
0.28" / 7.1mm
Overall Depth
3.75" / 95.3mm
Magnet Weight
59 oz.
Net Weight
10 lbs. / 4.54kg.
Shipping Weight
11 lbs. / 4.9kg.
Thiele-Small Parameters
Resonant Frequency (fs) 
69 Hz
Impedance (Re)
5.4 ohms
Coil Inductance (Le)
0.82mH
Electromagnetic Q (Qes) 
.20
Mechanical Q (Qms)
6.43
Total Q (Qts) 
.22
Compliance Vol. (Vas)
18.32 Liters/.647cu. ft.
Voice Coil Overhang (Xmax)
3.0mm
BL Product (BL)
14.1 T-M
Diaphragm Mass Airload (Mms)
19.3 grams
Mechanical Compliance of Suspension (Cms)
.35mm/N
Peak Diaphragm Displacement (Vd)
65.68cc
Surface Area of Cone (Sd)
.02182m2