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ALPHA-15A

10 990 руб.

  • Рекомендован для применения в профессиональных акустических системах для воспроизведения басовых частот. Акустическое оформление - вентилируемый (фазоинвертор) или герметичный корпус.

Specification

Nominal Basket Diameter

15″, 381 mm

Nominal Impedance*

8 Ω

Power Rating*

 

Program Power

400 W

Watts

200 W

Resonance

41 Hz

Usable Frequency Range

46 Hz — 3.5 kHz

Sensitivity*

97 dB

Magnet Weight

25 oz.

Gap Height

0.25″, 6.4 mm

Voice Coil Diameter

1.5″, 38 mm

Thiele & Small Parameters

Resonant Frequency (fs)

41 Hz

DC Resistance (Re)

5.88 Ω

Coil Inductance (Le)

0.84m H

Mechanical Q (Qms)

7.23

Electromagnetic Q (Qes)

1.53

Total Q (Qts)

1.26

Compliance Equivalent Volume (Vas)

260 liters / 9.18 cu.ft.

Peak Diaphragm Displacement Volume (Vd)

325 cc

Mechanical Compliance of Suspension (Cms)

0.25 mm/N

BL Product (BL)

7.7 T-M

Diaphragm Mass Inc. Airload (MMs)

59 grams

Efficiency Bandwidth Product (EBP)

27

Maximum Linear Excursion (Xmax)

3.8 mm

Surface Area of Cone (Sd)

856.3 cm2

Maximum Mechanical Limit (Xlim)

8.4 mm

Mounting Information

Recommended Enclosure Volume

 

Sealed

71-85 liters / 2.5-3 cu.ft.

Vented

106-177 liters / 3.75-6.25 cu.ft.

Driver Volume Displaced

0.113 cu.ft. / 3.21 liters

Overall Diameter

15.15″, 384.8 mm

Baffle Hole Diameter

13.87″, 352.3 mm

Front Sealing Gasket

Yes

Rear Sealing Gasket

Yes

Mounting Holes Diameter

0.25″, 6.4mm

Mounting Holes B.C.D.

14.56″, 369.8mm

Depth

5.83″, 148.1 mm

Net Weight

6.7 lbs, 3.04 kg

Shipping Weight

8.8 lbs, 3.99 kgs

Materials of Construction

Coil Construction

Copper voice coil

Coil Former

Polyimide former

Magnet Composition

Ferrite magnet

Core Details

Vented and extended core

 

Basket Materials

Pressed steel basket

Cone Composition

Paper cone

Cone Edge Composition

Cloth cone edge

Dust Cap Composition

Solid composition paper dust cap