Eminence DELTA PRO-12A

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DELTA PRO-12A
SPECIFICATION
Nominal Basket Diameter
12", 304.8mm

Nominal Impedance*
8 ohms
Power Rating
Watts
400W
Music Program
800W
Resonance
51Hz
Usable Frequency Range
52Hz-4.5kHz
Sensitivity***
99.2
Magnet Weight
80 oz.
Gap Height
0.375", 9.53mm
Voice Coil Diameter
2.5", 63.5mm

THIELE &SMALL PARAMETERS
Resonant Frequency (fs)
51Hz
Download PDF Spec Sheet
Download PDF Cabinet Design
DC Resistance (Re)
5.71
Coil Inductance (Le)
0.84mH
Mechanical Q (Qms)
7.56
Electromagnetic Q (Qes)
0.37
Total Q (Qts)
0.35
Compliance Equivalent Volume (Vas)
81.7 liters / 2.9 cu. ft.
Peak Diaphragm Displacement Volume (Vd)
242cc
Mechanical Compliance of Suspension (Cms)
0.21mm/N


BL Product (BL)
15.3 T-M


Diaphram Mass inc. Airload (Mms)
48 grams


Efficiency Bandwidth Product (EBP)
138


Maximum Linear Excursion (Xmax)
4.6mm


Surface Area of Cone (Sd)
532.4 cm2



Maximum Mechanical Limit (Xlim)
13.7mm








MOUNTING INFORMATION




Recommended Enclosure




Sealed
28-35 liters/1-1.25 cu. ft.



Vented
31-91 liters/1.1-3.2 cu. ft.



Overall Diameter
12.38", 314.5mm



Baffle Hole Diameter
11.07", 281mm



Front Sealing Gasket
Fitted as standard



Rear Sealing Gasket
Fitted as standard



Mounting Holes Diameter
0.27", 6.9mm



Mounting Holes B. C. D.
11.57", 293.8mm



Depth
6.22", 158mm



Net Weight
16.3 lbs. , 7.4 kg



Shipping Weight
18 lbs. , 8.2 kg








MATERIALS OF CONSTRUCTION




Coil Construction
Aluminum 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



Dustcap Composition
Solid composition paper dust cap







 

• SPECIFIKACIJE
• VIŠE INFORMACIJA
• OCENE

      DELTA PRO-12A     SPECIFICATION     Nominal Basket Diameter 12", 304.8mm Nominal Impedance* 8 ohms Power Rating   Watts 400W Music Program 800W Resonance 51Hz Usable Frequency Range 52Hz-4.5kHz Sensitivity*** 99.2 Magnet Weight 80 oz. Gap Height 0.375", 9.53mm Voice Coil Diameter 2.5", 63.5mm THIELE &SMALL PARAMETERS   Resonant Frequency (fs) 51Hz  

DC Resistance (Re) 5.71 Coil Inductance (Le) 0.84mH Mechanical Q (Qms) 7.56 Electromagnetic Q (Qes) 0.37 Total Q (Qts) 0.35 Compliance Equivalent Volume (Vas) 81.7 liters / 2.9 cu. ft. Peak Diaphragm Displacement Volume (Vd) 242cc Mechanical Compliance of Suspension (Cms) 0.21mm/N BL Product (BL) 15.3 T-M Diaphram Mass inc. Airload (Mms) 48 grams Efficiency Bandwidth Product (EBP) 138 Maximum Linear Excursion (Xmax) 4.6mm Surface Area of Cone (Sd) 532.4 cm2   Maximum Mechanical Limit (Xlim) 13.7mm         MOUNTING INFORMATION     Recommended Enclosure     Sealed 28-35 liters/1-1.25 cu. ft.   Vented 31-91 liters/1.1-3.2 cu. ft.   Overall Diameter 12.38", 314.5mm   Baffle Hole Diameter 11.07", 281mm   Front Sealing Gasket Fitted as standard   Rear Sealing Gasket Fitted as standard   Mounting Holes Diameter 0.27", 6.9mm   Mounting Holes B. C. D. 11.57", 293.8mm   Depth 6.22", 158mm   Net Weight 16.3 lbs. , 7.4 kg   Shipping Weight 18 lbs. , 8.2 kg         MATERIALS OF CONSTRUCTION     Coil Construction Aluminum 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   Dustcap Composition Solid composition paper dust cap  

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