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40 V1
400mm (16") Polyglass subwoofer · 65mm / 4 layers voice-coil · Polyglass cone · Zamak basket Specifications
Nominal power Maximum power 400 W 800 W
Sensitivity (2.83V/m) 93.5 dB Cone Surround Nom. impedance DC resistance VC diameter VC height Former Layers Wire Inductance Xmax Magnet (hxd) Magnet weight Flux density Polyglass Butyl 4 ohm 3.3 ohm 65 mm 25.8 mm Aluminum 4 Copper 2.4 mH 7.5 mm 156 x 25 mm 1412 g 0.7 T 10 mm 7.2 kg 5/12 in 15.87 Ib 5/16 in 61/6 x 1 in 3.11 lb 21/2 in 1 in
Response curve
Vented enclosure
Gap height Net weight
Parameters
SPL (dB) 1W/1m
Fs Vas Qts Qes Qms Re
26.84 Hz 165.66 I 0.459 0.51 4.62 3.3 ohm 881.41 cm2 1.18E-07 m5/N 29.81 kg/m4 1088.18 ohm.ac 1.52E-04 m/N 231.60 g 8.454 kg/s 916.42 mF 38.37 mH 29.89 ohm 15.90 N/A 89.83 dB/W/m 0.51 lb 1361/2 in2 5.84 Ft3
40 litres (1.413 cu. ft.) F - 3 = 46Hz / Fast and tight bass 50 litres (1.766 cu. ft.) F - 3 = 43Hz / Punchy and dynamic bass 60 litres (2.119 cu. ft.) F - 3 = 40Hz / Deep and articulate bass
Frequency (Hz)
Sd Cas Mas Ras Cms Mms Rms Ces
Mechanical Drawing
Les Res BI SPL
©Focal-JMlab - SCFR050504/1
Suggested application
Load Vented Vented
Unit: mm
Vol 40 l 50 l 60 l
Fb 25 23 20
F-3 (Hz) 46 43 40
Ql 7 7 7
Vented
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