B&C 21DS115 - 4OHM

  • 9 120 SEK
  • 7 752 SEK
Leveranstid 3-10 dagar
Dela

SPECIFICATIONS

Nominal Basket Diameter
21" / 530mm
Impedance
4 or 8 ohms
RMS Power Rating
1,700 Watts
Program Power 3,400 Watts  
Frequency Response
30Hz - 1.0kHz
Sensitivity (1W/1m)
99dB
Voice Coil Diameter
4.5" / 116mm
Winding MaterialAluminum
Former MaterialGlass Fibre
Winding Depth1.42" / 36mm
Magnetic Gap Depth.55" / 14mm
X Damage (peak to peak)60 mm
Flux Density.8T

MOUNTING INFORMATION

Overall Diameter21.54" / 547mm
Bolt Circle Diameter20.7" / 527mm
Baffle Cutout Diameter20" / 508mm
Depth10.04" / 255mm
Flange & Gasket Thickness.51" / 13mm
No. Of Mounting Holes8
Net Weight32.63 lbs./ 14.8 kg.
Shipping Weight37.92 lbs./ 17.2 kg.

MATERIALS

BasketCast Aluminum
ConePaper
Cone ShapeRadial
SpiderDouble Silicone
Surround ShapeTriple Roll
Pole DesignT-Pole
Demodulation RingAluminum
MagnetNeodymium

  THIELE-SMALL PARAMETERS

Resonant Frequency (fs)
30 Hz
Impedance (Re)5.1 ohms
Electrical Factor (Qes).24
Mechanical Q (Qms)10.0
Total Q (Qts).23
Compliance Equiv. Vol. (Vas)269 Liters/9.5cu. ft.
Voice Coil Overhang (Xmax)15.0mm
Moving Mmass (Mms)407 Grams
Reference Efficiency3%
Surface Area of Cone.1680 m2
BL Factor40.8 T-M
Coil Inductance (Le)4.6mH

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B&C 21DS115 - 8OHM

9 120 SEK 7 752 SEK