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DELTA PRO-12A

17 450 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