hi wayne,can you let me know which eminence driver has the closest spec compare to the following and also can you tell me which 15 eminence driver with a fs/Qes>120
Visaton BGS 40 8 OHM
Art. No. 3040
40 cm (15") woofer with hard cone suspension
Technical Data:
Nominal power handling 200 Watt
Peak power handling 300 Watt
Nominal impedance 8 Ohm
Frequency response fc- 4000 Hz
Mean sound pressure (nominal) 98 dB (1 W/1 m)
Maximum cone displacement 16 mm
Resonance frequency 38 Hz
Magnetic induction 1,1 Tesla
Magnetic flux 1800 µ Weber
Height of front pole-plate 8 mm
Voice coil diameter 6,5 cm
Height of winding 1,2 cm
Cutout diameter 35,9 cm
Net weight 5,4 kg
D.C. resistance Rdc 6,5 Ohm
Mechanical Q factor Qms 1,3
Electrical Q factor Qes 0,4
Total Q factor Qts 0,31
Equivalent volume Vas 263 l
Effective piston area Sd 855 cm2
Dynamically moved mass mmd 80 g
Force factor Bxl 16,8 T · m
Inductance of the voice coil 1,55 mH
thank you