Eminence Acoustinator CX2008 Brochure page 13

PRO AUDIO SPEAKERS
SPECIFICATION
Nominal Basket Diameter
Nominal Impedance*
Power Rating**
Watts
Music Program
Resonance
Usable Frequency Range
Sensitivity***
Magnet Weight
Gap Height
Voice Coil Diameter
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)
DC Resistance (Re)
Coil Inductance (Le)
Mechanical Q (Qms)
Electromagnetic Q (Qes)
Total Q (Qts)
Compliance Equivalent Volume (Vas)
Peak Diaphragm Displacement Volume (Vd)
Mechanical Compliance of Suspension (Cms)
BL Product (BL)
Diaphragm Mass Inc. Airload (Mms)
Efficiency Bandwidth Product (EBP)
Maximum Linear Excursion (Xmax)
Surface Area of Cone (Sd)
Maximum Mechanical Limit (Xlim)
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed
Vented
Overall Diameter
Baffle Hole Diameter
Front Sealing Gasket
Rear Sealing Gasket
Mounting Holes Diameter
Mounting Holes B.C.D.
Depth
Net Weight
Shipping Weight
MATERIALS OF CONSTRUCTION
Coil Construction
Coil Former
Magnet Composition
Core Details
Basket Materials
Cone Composition
Cone Edge Composition
Dust Cap Composition
PRO AUDIO
12"
BETA-12A-2
BETA-12A-2 BETA-12CX
12", 304.8mm 12", 304.8mm
8 ohms 8 ohms
250W 250W
500W 500W
47Hz 43Hz
43Hz-3.8kHz 66Hz-20kHz*
98 96.7
38 oz 38 oz
0.312", 7.92mm 0.312", 7.92mm
2", 50.8mm 2", 50.8mm
47Hz 43Hz
5.0 5.57
0.64mH 1.01mH
6.00 6.69
0.50 0.51
0.46 0.48
120.1 ltr/4.2 cu. ft. 161 ltr/5.7 cu. ft.
237cc 186cc
0.29mm/N 0.40mm/N
10.8 T-M 10.0 T-M
40 grams 34 grams
94 84
4.4mm 3.5mm
538.9cm 2 532.4cm
11mm 10.4mm
25.5-35.4 ltr, 0.9-1.25 cu. ft. 42.5-28 ltr/1-1.5 cu. ft.
36.8-139 ltr/1.3-4.9 cu. ft. 37-71 ltr/1.3-2.5 cu. ft.
12.03", 305.5mm 12.03", 305.5mm
10.95", 278.1mm 10.95", 278.1mm
Fitted as Standard Fitted as Standard
Fitted as Standard Fitted as Standard
0.25", 6.4mm 0.25", 6.4mm
11.59", 294.3mm 11.59", 294.3mm
4.57", 116mm 4.47", 114mm
7.5 lbs, 3.4 kg 7.8 lbs, 3.5 kg
9.7 lbs, 4.4 kg 10 lbs, 4.5 kg
Copper Copper
Polyimide Polyimide
Ferrite Ferrite
Vented And Extended Extended
Pressed Steel Pressed Steel
Paper Paper
Cloth Cloth
Solid Composition Paper Screened Cloth
Please see footnotes on page 31 for information regarding Nominal Impedance, Power Rating and Sensitivity.
12" 12"
BETA-12CX
DELTA-12A
12", 304.8mm
8 or 16 ohms
400W
800W
55Hz
54Hz-5kHz
98.3
56 oz
0.375", 9.53mm
2.5", 63.5mm
55Hz
6.3
0.74mH
5.27
0.46
0.43
81.3 ltr/2.9 cu. ft.
125cc
0.21mm/N
13.5 T-M
39 grams
120
2.4mm
2 519.5cm
9.9mm
N/A
25.5-85 ltr/0.9-3 cu. ft.
12.03", 305.5mm
10.95", 278.1mm
Fitted as Standard
Fitted as Standard
0.25", 6.4mm
11.59", 294.3mm
5.35", 136mm
11.4 lbs, 5.2 kg
13.5 lbs, 6.1 kg
Aluminum
Polyimide
Ferrite
Vented
Pressed Steel
Paper
Cloth
Solid Composition Felt
AMERICAN STANDARD SERIES
12"
DELTA-12A
KAPPA-12A
12", 304.8mm
8 ohms
450W
900W
45Hz
62Hz-4.2kHz
99.3
80 oz
0.375", 9.53mm
3", 76.2mm
45Hz
5.41
0.77mH
7.76
0.28
0.27
112.1 ltr/4.0 cu. ft.
166cc
0.30mm/N
15.2 T-M
42 grams
161
3.2mm
2 519.5cm 2
11.5mm
N/A
34-62 ltr/1.2-2.2 cu. ft.
12.26", 311.4mm
11.0", 279.5mm
Fitted as Standard
Fitted as Standard
0.25", 6.4mm
11.71", 297.5mm
5.63", 143mm
14.9 lbs, 6.8 kg
17.9 lbs, 8.2 kg
Aluminum
Polyimide
Ferrite
Vented
Pressed Steel
Paper
Cloth
Solid Composition Paper
KAPPA-12A
13