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This auction is for a pair of very high quality professional BMS mid / low drivers. They retail new for about 150 each.
These were used for one three hour gig an then stored in their original shipping boxes. They are almost new. The tech specs are below:
BMS 15S320 – 15″ Bass Midrange Speaker 500 W 8 Ohms
Features:
98 dB Sensitivity 1 W / 1 m 500 W Power Handling 3″ Copper Sandwich Voice Coil for low Power Compression Double treated Cone for Water Protection Triple Aluminum demodulating Rings for ultra low Distortion Optimal for compact 2- or 3-way Systems
Specifications:
Application Compact 2- or 3-wayNominal Impendance: 8 OhmPower handling AES noise: 500 WSensitivity (1 W / 1 m): 98 dBFrequency response: 40 – 2500 HzVoice Coil Diameter: 77 mmVoice Coil Material: CuVoice Coil Winding Depth: 19 mmMagnet Gap Depth: 10 mmBasket: Cast AluminumEffect. diaphragm diameter D 335 mm
Thiele-Small Parameters:
Resonance Frequency: ( Fs): 41 HzDC Resistance: ( Re): 5.7 OhmMechanical Q Factor: ( Qms): 5Electrical Q Factor: ( Qes): 0.29Total Quality Factor: ( Qts): 0.28Equivalent Volume: ( Vas): 154 LMoving Mass: ( Mms): 0.109 kgMechanical Complience: ( Cms): 0.14 mm / NBL Factor: ( BL): 23.3 Tesla mEffective Piston Area: ( Sd): 0.0880 mMax. linear Excursion: ( Xmax): +/- 4.5 mmVoice Coil Inductance: ( Le1k): 0.8 mHVoice Coil Inductance: ( Le10k): 0.52 mH
Mounting Information:
Overall Diameter: 388 mmMounting Holes Diameter: 8 x (7 x 8) mmBolt Circle Diameter: 371 mmBaffle cut-out Diameter: 358 mmOverall depth: 178 mmNet Weight: 9 kg
If you buy after clicking affiliate links on this site we might receive a commission from companies such as eBay, Amazon etc This does not affect the price you pay.
Click here to see similar items, and to buy from eBay.