HM087

Low Frequency Driver

3.5 Inches

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Voice Coil Diameter

20 mm 0.78 in

Continuous Power Handling

90 W

Sensitivity

89 dB

Specifications

Nominal Diameter

87 mm (3.5 in)

Nominal Power Handling

30 W

Sensitivity

89 dB

Voice Coil Diameter

20 mm (0.78 in)

Winding Depth

6.2 mm (0.24 in)

Nominal Impedance

8 Ω

Continuous Power Handling

90 W

Frequency Range

150 Hz - 150 Hz

Former Material

Aluminum

Magnetic Gap Depth

4 mm (0.16 in)

Parameters

Fs

270 Hz

Qes

2.02

Qts

1.39

Sd

35 cm² (5.43 in²)

Xmax

2.1 mm (0.08 in)

Bl

4.14 Tm

Cms

0.12 mm/N

EBP

134 Hz

Re

7.3 Ω

Qms

4.4

Vas

0.2 dm³ (0.01 ft³)

η0

0.2 %

Mms

2.79 g

Le

0.2 mH

d

67 mm (2.64 in)

Design

Surround Shape

Doped fabric

Recommended Loading

Sealed box

Recommended Enclosure

3 dm³ (0.106 ft³)

Cone Material

Treated Cellulose

Mounting and Shipping Info

Overall Diameter

87 mm

Baffle Cutout Diameter

77 mm (3.03 in)

Flange and Gasket Thickness

5 mm (0.2 in)

Shipping Units

12 pcs

Bolt Quantity

4 pcs

Bolt Circle Diameter

100 mm (3.94 in)

Depth

42 mm (1.65 in)

Net Weight

0.37 kg (0.81 lb)

Basket Material

Steel

Bolt Diameter

5 mm (0.2 in)

SOUND & VISION
a division of the B&C SPEAKERS Group

Eighteen Sound srl

via A. Botticelli, 10

42124 Reggio Emilia

ITALY

VAT # IT 02577810357