B&C Speakers Midrange 6MD38 User manual

6MD38 Midrange
LF Drivers LF Nd Drivers Coaxials HF Drivers Horns
240 W continuous program power capacity
38 mm (1.5 in) aluminium voice coil
150 - 6000 Hz response
96 dB sensitivity
Specification
Nominal Diameter 170 (6.5) mm (in)
Nominal Impedance (1) 8 Ohm
Minimum Impedence 6.5 Ohm
Nominal Power Handling (2) 120 W
Continuous Power Handling (3) 240 W
Sensitivity (1W/1m) (4) 96 dB
Frequency Range 150 - 6000 Hz
Voice Coil Diameter 38 (1.5) mm (in)
Winding Material Aluminium
Former Material Glass Fibre
Winding Depth 9 (0.35) mm (in)
Magnetic Gap Depth 6 (0.25) mm (in)
Flux Density 1.4 T
Thiele & Small Parameters
Fs 130 Hz
Re 5.7 Ohm
Qes 0.49
Qms 3.7
Qts 0.44
Vas 3 (0.1) dm3 (ft3)
Sd 132 (20.5) cm2 (in2)
Eta Zero 1.4 %
Xmax +/- 2 mm
Xvar +/- 4.5 mm
Mms 12 g
Bl 10.5 Txm
Le 0.25 mH
Mounting and Shipping Info
Overall Diameter 187 mm (7.4 in)
Bolt Circle Diameter 172 mm (6.7 in)
Baffle Cutout Diameter 145 mm (5.7 in)
Depth 82 mm (3.2 in)
Flange and Gasket Thickness 9 mm (0.35 in)
Net Weight 2.2 kg (4.8 lb)
Shipping Weight (4 units) 10.1 kg (22.2 lb)
Shipping Box (4 units) 405x225x210 mm
(15.9x8.8x8.3 in)
1For different impedances, please ask.
22 hours test made with continuous pink noise signal (6 dB crest factor).
Power calculated on rated minimum impedance.
3Power on Continuous Program is defined as 3 dB greater than the
Nominal rating.
4Applied RMS Voltage is set to 2.83V for 8 ohms or 2.0V for 4 ohms
Nominal Impedance