CMI250ND

Low Frequency Driver

10 Inches

SPL

Voice Coil Diameter

50 mm 2 in

Continuous Power Handling

450 W

Sensitivity

97.5 dB

Specifications

Nominal Diameter

250 mm (10 in)

Nominal Power Handling

220 W

Sensitivity

97.5 dB

Voice Coil Diameter

50 mm (2 in)

Former Material

Glass fiber

Magnetic Gap Depth

8 mm (0.31 in)

Nominal Impedance

4 Ω

Continuous Power Handling

450 W

Frequency Range

80 Hz - 3500 Hz

Winding Material

Copper

Winding Depth

12.5 mm (0.49 in)

Parameters

Fs

59 Hz

Qes

0.52

Qts

0.5

Sd

356 cm² (55.18 in²)

Xmax

4.5 mm (0.18 in)

Bl

9 Tm

d

213 mm (8.39 in)

Re

3 Ω

Qms

10.8

Vas

34 dm³ (1.2 ft³)

η0

1.3 %

Mms

38 g

Le

0.39 mH

EBP

113 Hz

Design

Surround Shape

Nomex Fabric

Recommended Enclosure

20 dm³ (0.706 ft³)

Connection Type

Fast-On

Cone Material

Doped cellulose fiber

Cone Shape

Exponential

Recommended Loading

Sealed box

Suspension

Nomex Fabric

Mounting and Shipping Info

Overall Diameter

268 mm (10.55 in)

Baffle Cutout Diameter

235 mm (9.25 in)

Flange and Gasket Thickness

13 mm (0.51 in)

Shipping Units

6 pcs

Bolt Quantity

8 pcs

Bolt Circle Diameter

253 mm (9.96 in)

Depth

116 mm (4.57 in)

Net Weight

2.3 kg (5.07 lb)

Basket Material

Aluminum

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