FB Audio FBSW 850wRMS 15" Dual 2 ohm Subwoofer Authorized USA Distributor

Description

Welcome to SPL-Lab USA Distribution.
We are the only Importer Source for FB Audio in USA, Canada and Mexico.
Dual 2ohm model
Carbon Fiber Dustcap
High Density Pressed Foam Surround
RE- 3.5814 ohms
FS- 38.9279 Hz
Zmax- 93.2025 ohms
Qes- 0.5490
Qms- 13.7372
Qts- 0.5279
EBP- 70.9069 (sealed/ported/4th BP/6th BP)
Le- 4.2751 mH (1KHz)
Diam- 330 mm (12.9921")
Sd- 85529.8638 mm^2 (132.5716 in^2)
Vas- 57.0461 L (2.0146 ft^3)
BL- 22.0431 N/A
Mms- 304.5039 g
Cms- 54.8942 uM/N
Kms- 18216.8770 N/M
Rms- 5.4217 R mechanical
Efficiency- 0.5760%
Sensitivity- 89.6221 dB @1w/1m
Sensitivity- 93.1125 dB @2.83vrms/1m
Krm- 8.627E-03 ohms Freq Dependent Resistance
Erm- 810.3961E-03
Kxm- 62.128E-03 Henries Freq Dependent Reactance
Exm- 680.159E-03
Xmax- 15mm
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Ftest- 31.863 Hz
Ftest/Fms- 0.8185
Test Mass Used- 150.0000 g (30.0 nickels)
Test Mass (Ft=Fms*0.90)- 71.427 g
Test Mass (Ft=Fms*0.75)- 236.836 g