CF1230BMB

12-inch cast aluminium chassis, ferrite magnet bass/mid-bass driver

Optimised for bass and mid/bass applications
Half-roll Elastomer surround enables greater Xmax/Xmech
Modified T-pole enhances performance through improved Bl symmetry
Airflow vented magnet assembly for dynamic heat dispersion
Demodulation ring for reduced harmonic and intermodulation distortion

Specifications

700W

Continuous power rating

96dB

Sensitivity

3in

Voice coil diameter

Nominal diameter

305mm / 12in

Power rating

350W

Continuous power rating

700W

Rated impedance

8Ω

Sensitivity

96dB

Frequency range

50-3,000Hz

Chassis type

Cast aluminium

Magnet type

Ferrite

Magnet weight

2.2kg / 75oz

Voice coil diameter

75mm / 3in

Voice coil material

Copper clad aluminium

Former material

Glass Fibre

Cone material

Glass loaded paper (weather-resistant)

Surround material

Elastomer

Suspension

Single

Gap height (H_g)

8mm / 0.31in

VC winding height (H_vc)

18mm / 0.7in

Additional impedances

16Ω

Parameters

530.93cm² / 82.3in²

43.4Hz

Mms

88.41g / 3.12oz

Qms

4.451

Qes

0.417

Qts

0.381

5.84Ω

Vas

60.68l / 2.14ft³

18.38Tm

Cms

0.152mm/N

Rms

5.416kg/s

Le (at 1kHz)

0.713mH

Xmax

7mm / 0.28in

Mounting Information

Overall diameter

315mm / 12.4in

Overall depth

155.5mm / 6.1

Cut-out diameter

285.6mm / 11.24in

Mounting hole dimensions

10mmx6.5mm / 0.39inx0.26in

Number of mounting holes

Mounting hole PCD

294-300mm / 11.6-11.8in

Unit weight

6.75kg / 14.9lb

Frequency Response and Impedance Curves

Topmost curve: Frequency response on axis | Secondary curve: Frequency response at 45° off axis

Power rating: Tested for two hours using a continuous, band-limited pink noise signal as per AES standard. Power calculated on minimum impedance. Loudspeaker tested in free air.

Continuous power rating: Defined as 3dB greater than the AES rating.

Sensitivity: Measured on axis at 1W, 1m in 2π anechoic environment.

Parameters: Measured after unit subjected to pre-conditioning signal.

Xmax: 0.5*(H_vc-H_g) + 0.25*H_g

Downloads

CF1230BMB External Dimension Drawing

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