TS-W311S4

30 cm 4Ω enclosure-type single voice coil subwoofer (1400W)

TS-W311S4

Full specifications

Main Features

Boxed Subwoofer
Impedance4 Ω
Frequency response20 - 125
Sensitivity95 dB
Lowest resonance frequency42 Hz
Maximum power input1400 W
Nominal output power400 W
Woofer materialIMPP Composite Cone
Voice Coil typeCopper, 4-layer
Voice Coil bobbin typeAluminium
Pole Yoke TypeExtended and Vented pole yoke
TerminalsPush-type
Dimensions326,6 x 168,5 mm
MagnetsFerrite (double)
SurroundDual Layer, Fiber Reinforced Elastic Polymer Surround
Screw Terminals8
Weight6.1 kg
Cut-out Hole283 mm
Mounting Depth151 mm
Recom. Enclosure [l]35.38
Recom. Enclosure [ft3]1.25
Size30 cm

Thiele/Small Parameters

Nom. Dia.(In)30
Qts0.79
Qms14.96
Qes0.84
Fs [Hz]42
Vas [l]37.5
Vas [ft3]1.32
Vd [l]0.42
Vd [ft3]1.32
Sd [m2]0.0147
Sd [ft2]0.052
Revc [O]3
Levc [mH] (2000Hz)2.87
Xmax [mm]8
Xmax [in]0.3
Zmax [O]47.27
BI [Tm]13
Rms[Ns/m]2.88
Mms [g]164
Cms [m/N]8,7 x 10-5
Mg.Wt.[g]2100
Flux Density [Gauss]6926
Hag [mm]10
Hag [In]0.39
Hvc [mm]26
Hvc [In]1.02
VC.Diameter [mm]48
Eff [%]0.29
S.P.L. [dB]95
R.M.S.Power [W]400
M.M.P. [W]1400
Sp. Displacement [l]1.67
Sp. Displacement [ft3]0.059
F0 (in Cabinet)55.7
Q0 (in Cabinet)1.09