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SB Acoustics SB15SFCR39-8 5x8'' Paper Cone Racetrack Woofer - 8 ohms

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Your Price: ₹3,870.00
Part Number: SB15SFCR39-8
Availability: Can Dispatch Immediately
Feature: Hard paper cone (made in-house)
Feature: Optimized motor system
Feature: Non-conductive reinforced vented coil former
Feature: Symmetric suspension

SB Acoustics SB15SFCR39-8 5''X 8'' Paper Code Racetrack Woofer


Product Specifications
Nominal Impedance8 ohms
DC resistence,Re6.2 ohms
voice coil inductance,Le1.3 mH
Free air resonance,Fs31 Hz
Sensitivity(2.83V/1m)87 dB
Mechanical Q-factor,Qms6.46
Electrical Q-factor,Qes0.46
Total Q-factor,Qts0.42
Moving mass incl. air,Mms23.2 g
Force factor,BI7.9 Tm
Equivalent, Vas51 lts
Compliance,Cms1.13 mm/n
Mechanical loss, Rms0.7 Kg/s
Rated power handling*80 W
Effective piston area,Sd178 cm²
Voice coil diameter38.5 mm
Voice coil height16 mm
Air gap height6 mm
Linear coil travel(p-p)10 mm
Magnetic flux density0.86 T
Magnetic weight0.54 Kg
Net weight1.65 Kg

Suggested Box Alignments:

  • 0.5 - 0.7 cf sealed for an F3 of 58Hz
  • 0.7 cf with 2" dia. x 7" long port for an F3 of 42Hz
  • 1.0 cf with 2" dia. x 6" long port for an F3 of 39Hz
With Matching passive radiator
  • 0.6 cf for an F3 of 49Hz
  • 0.8 cf for an F3 of 45Hz
  • 1.0 cf for an F3 of 43Hz
  • 1.2 cf for an F3 of 42Hz

Frequency And Impedance Graph:

Drawing:

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