DELTA PRO-12A
21 550 руб.
- Рекомендован для применения в профессиональных акустических системах для воспроизведения низких и средних частот. Так же хорошо подходит для воспроизведения широкого диапазона частот в мониторах закрытого типа, и в мониторах с фазоинвертором.
Specification
Nominal Basket Diameter
12″, 305 mm
Nominal Impedance*
8 Ω
Power Rating*
Program Power
800 W
Watts
400 W
Resonance
51 Hz
Usable Frequency Range
52 Hz — 4.5 kHz
Sensitivity*
99.2 dB
Magnet Weight
80 oz.
Gap Height
0.37″, 9.5 mm
Voice Coil Diameter
2.5″, 64 mm
Thiele & Small Parameters
Resonant Frequency (fs)
51 Hz
DC Resistance (Re)
5.71 Ω
Coil Inductance (Le)
0.84m H
Mechanical Q (Qms)
7.56
Electromagnetic Q (Qes)
0.37
Total Q (Qts)
0.35
Compliance Equivalent Volume (Vas)
81.7 liters / 2.89 cu.ft.
Peak Diaphragm Displacement Volume (Vd)
242 cc
Mechanical Compliance of Suspension (Cms)
0.21 mm/N
BL Product (BL)
15.3 T-M
Diaphragm Mass Inc. Airload (MMs)
48 grams
Efficiency Bandwidth Product (EBP)
138
Maximum Linear Excursion (Xmax)
4.6 mm
Surface Area of Cone (Sd)
532.4 cm2
Maximum Mechanical Limit (Xlim)
13.7 mm
Mounting Information
Recommended Enclosure Volume
Sealed
28-35 liters / 1-1.25 cu.ft.
Vented
31-91 liters / 1.1-3.2 cu.ft.
Driver Volume Displaced
0.09 cu.ft. / 2.55 liters
Overall Diameter
12.38″, 314.5 mm
Baffle Hole Diameter
11.07″, 281.2 mm
Front Sealing Gasket
Yes
Rear Sealing Gasket
Yes
Mounting Holes Diameter
0.27″, 6.9mm
Mounting Holes B.C.D.
11.69″, 296.9mm
Depth
6.22″, 158 mm
Net Weight
16.3 lbs, 7.39 kg
Shipping Weight
18 lbs, 8.16 kgs
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
Dust Cap Composition
Solid composition paper dust cap
