Брошюра для Eminence 1028k

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Nominal Basket Diameter
Nominal Impedance*
Power Rating**
     Watts
     Music Program
Resonance
Usable Frequency Range
Sensitivity***
Magnet Weight
Gap Height
Voice Coil Diameter
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)
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
Coil Construction
Coil Former
Magnet Composition
Core Details
Basket Materials
Cone Composition
Cone Edge Composition
Dust Cap Composition
SPECIFICATION
THIELE & SMALL PARAMETERS
MOUNTING INFORMATION
MATERIALS OF CONSTRUCTION
Please see footnotes on page 31 for information regarding Nominal Impedance, Power Rating and Sensitivity.
PRO AUDIO
7
PRO AUDIO SPEAKERS
PROFESSIONAL SERIES
DELTA PRO-18A
DELTA PRO-18A
N/A
85-297 ltr/3.0-10.5 cu. ft.
18.00", 457.20mm
16.57", 420.88mm
Fitted as Standard
Fitted as Standard
.28", 7.11mm
17.25", 438.15mm
8.13", 206.50mm
17.00 lbs, 7.71 kg
20.5 lbs, 9.3 kg
Copper
Polyimide
Ferrite
Vented and Extended
Die-Cast Aluminum
Paper
Cloth
Solid Composition Paper
18", 457mm
4 or 8 ohms
500W
1000W
28Hz
37Hz-250Hz
96
67 oz
.38",9.53mm
2.5",63.5mm
18"
28Hz
5.3
3.43mH
10.38
.33
.32
493.19 ltr/17.41 cu. ft.
796.00cc
.25mm/N
18.9 T-M
128.1 grams
84
6.7mm
1188.0cm
2
15.0mm
SIGMA PRO 18A-2
SIGMA PRO 18A-2
N/A
93-212 ltr/3.3-7.5 cu. ft.
18", 457.2mm
16.56", 420.5mm
Fitted as Standard
Fitted as Standard
0.28", 7.1mm
17.25", 438.2mm
8.15", 207mm
24.5 lbs, 11.1 kg
28.1 lbs, 12.8 kg
Copper
Polyimide
Ferrite
Vented And Extended
Die-Cast Aluminum
Paper
Cloth
Solid Composition Paper
18", 457.2mm
8 ohms
650W
1300W
28Hz
41Hz-2.4kHz
99
120 oz
0.375", 9.53mm
3", 76.2mm
18"
28Hz
6.29
1.90mH
8.28
0.30
0.29
441.2 ltr/15.6 cu. ft.
695cc
0.24mm/N
22.1 T-M
130 grams
93
6.1mm
1140.0cm
2
18.0mm
DEFINIMAX™ 4018LF
DEFINIMAX™ 4018LF
N/A
125-210 ltr/4.4-7.4 cu. ft.
18", 457.2mm
16.57", 420.9mm
Fitted as Standard
Fitted as Standard
0.28", 7mm
17.25", 438.2mm
8.13", 206.4mm
24 lbs, 10.9 kg
26 lbs, 11.8 kg
Copper
Polyimide
Ferrite
Undercut With Copper Shorting Ring 
And Periphery Ventilation
Die-Cast Aluminum
Acrylic Wetlook Paper
Cloth
Acrylic Wetlook Paper
18", 457.2mm
8 ohms
800W
1600W
32Hz
36Hz-200Hz
95
109 oz
0.375", 9.53mm
4", 101.6mm
18"
32Hz
6.19
4.78mH
10.38
0.36
0.35
237.9 ltr/8.4 cu. ft.
939cc
0.12mm/N
27.0 T-M
211 grams
89
7.9mm
1188.0cm
2
15.9mm