BMS 12N820

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BMS 12N820

BMS 12N820

 

12N820 Specification

Application Low-Middle
Nominal Impendance:Ohm8
Power handling AES noise:W800
Sensitivity (1 W / 1 m):dB98
Frequency response:Hz45 - 1700
Voice Coil Diameter:mm101.6 (4")
Voice Coil Material: Cu
Voice Coil Winding Depth:mm19
Magnet Gap Depth:mm10
Basket: Cast Aluminum
Effect. diaphragm diameter Dmm260

Recommended reflex enclosure:
8 L / 77 Hz, -3 dB = 104 Hz, BRD = 70 mm / 178 mm long
20 L / 64 Hz, -3 dB = 70 Hz, BRD = 90 mm / 155 mm Long

 

12N820 Thiele-Small Parameters

Resonance Frequency:FsHz37.8
DC Resistance:ReOhm5.7
Mechanical Q Factor:Qms 5.3
Electrical Q Factor:Qes 0.16
Total Quality Factor:Qts 0.16
Equivalent Volume:VasL98.7
Moving Mass:Mmskg0.072
Mechanical Complience:Cmsmm / N0.25
BL Factor:BLTesla m24.2
Effective Piston Area:Sdm²0.0531
Max. linear Excursion:Xmaxmm+/- 4.5
Voice Coil Inductance:Le1kmH0.62
 Le10kmH0.51
 

12N820 Mounting Information

Overall Diameter:mm318
Mounting Holes Diameter:mm8 x (7 x 8)
Bolt Circle Diameter:mm300
Baffle cut-out Diameter:mm284
Overall depth:mm155
Net Weight:kg5.5
отвори галерията на BMS 12N820BMS 12N820
отвори галерията на BMS 12N820BMS 12N820
отвори галерията на BMS 12N820BMS 12N820


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