Posted by Zeno on May 10, 2002 at 08:35:31

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

• wayne can i have your opinion on driver with a fs/Qes>120 - Zeno 09:07:40 05/13/02 (1)
  • Sorry Gabriel, but I know nothing about that horn. - Wayne Parham 09:19:01 05/13/02 (0)
• my intention is to build the visaton MB 115/B bass horn - Zeno 12:26:52 05/11/02 (3)
  • Re: my intention is to build the visaton MB 115/B bass horn - freddyi 09:47:44 05/12/02 (0)
  • Re: my intention is to build the visaton MB 115/B bass horn - Adam 17:26:22 05/11/02 (1)
    • Adam, please assist - Zeno 09:40:19 05/12/02 (0)
• Re: driver with a fs/Qes>120 - freddyi 09:46:07 05/11/02 (0)
• Re: driver with a fs/Qes>120 - Adam 08:48:20 05/10/02 (0)