B&C 12 MH 32

 

General
Product type Cone driver
Brand B&C Speakers
Reference 12MH32
Product code ALT012MH328M

Information
Nominal impedance 8 ohm
Dimensional category 12.5 inch
Frequency coverage type Low, Midbass, Midrange
Manufacturer sensitivity 101 dB
Calculated sensitivity 98.56 dB
Nominal power handling 400 W
Bandwidth 50÷3000 Hz

Fundamental parameters
Sd 522 cm²
Mms 54 gr
Le 0.83 mH
Re 5.2 ohm
BL 22.3 T.m

Small signal parameters
Fs 53 Hz
Qes 0.2
Qms 7.2
Qts 0.19
Vas 63 L

Datas
Xmax ±5 mm
Calculated Xmax ±5.6667 mm
EBP 265 Hz
Zmin 6.5 ohm
Fs / Qts 279 Hz
Vas * Qts² 2.28 L
Efficiency 4.80%
Calculated efficiency 0.0451
Weight ~7.6 kg
Demodulation ring Yes

Dimensions
Voice coil diameter 3 inch
Winding depth 14 mm
Gap height 8 mm
Outside diameter 316 mm
Baffle cutout diameter 282 mm
Front thickness 12.5 mm
Depth after front 120.5 mm

Shape & Materials
Front chape Cylindrical
Magnet type Ferrite
Basket masterial Aluminium
Winding material Copper
Voice coil former Glass fiber