Features: Pioneer TS-W3002D4

Maximum input power 3.500 W
Nominal input power 1.000 W
Impedance Dual 4Ω
Frequency response 20 - 150 Hz
Lowest resonance frequency 31 Hz
Sensitivity (1W/1m) 90 dB
Woofer size 30 cm
Woofer material Interlaced Basalt / Carbon Fibre Reinforced IMPP™
Dual 4Ω voice coils: 2 or 8Ω Yes
Voice Coil bobbin type Phenol resin coated glass cloth bobbin
Pole Yoke Type Extended and Vented pole yoke
Magnets Double-stacked, high power
Terminals Push-type
Recommended sealed enclosure 14,2 - 28,3 litres
Surround 3-Layer Fiber Woven Radial Surround

Thiele Parameters

Nom. Dia.(In) 12
Qts 0,65
Qms 15,13
Qes 0,68
Fs [Hz] 31,4
Vas [l] 13,03
Vas [ft³] 0,460
Vd [l] 0,564
Vd [ft³] 0,01992
Sd [m²] 0,04372
Sd [ft²] 0,471
Revc [Ω] DUAL3.3
Levc [mH] (2000Hz) 5.55 (8Ω)
1.39 (2Ω)
Xmax [mm] 12,9
Xmax [in] 0,51
Zmax [Ω] 157.77 (8Ω)
38.53 (2Ω)
BI [Tm] 28.38 (8Ω)
14.19(2Ω)
Rms[Ns/m] 5,334
Mms [g] 408,83
Cms [m/N] 0,0000629
Mg.Wt.[g] 3230
Flux Density [Gauss] 5900
Hag [mm] 24
Hag [In] 0,94
Hvc [mm] 49,8
Hvc [In] 1,96
VC.Diameter [mm] 65
Eff [%] 0,06
S.P.L. [dB] 90,0
R.M.S.Power [W] 1000
M.M.P. [W] 3500
Sp. Displacement [l] 5,12
Sp. Displacement [ft³] 0,181
Recom. Enclosure [l] 22,64
Recom. Enclosure [ft³] 0,80
F₀ (in Cabinet) 39,4
Q₀ (in Cabinet) 0,816