Pioneer TS-W311S4

Name: TS-W311S4
Brand: Pioneer

4Ω D4

Subwoofer

12″ / 300 mm

Nominal diameter

42 Hz

Resonance

0.79

Q factor

88 dB

Sensitivity

± 8 mm

Linear excursion

800 W

Program Power

Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 88.4; dB
Frequency response: 20 - 125; Hz
Resonance frequency (free air)
f_S: 42.0; Hz
Mechanical quality factor
Q_MS: 14.96
Electrical quality factor
Q_ES: 0.84
Total quality factor
Q_TS: 0.79
Maximum linear excursion
x_max: 8.0; mm
Air volume displaced at x_max
V_D: 416; cm³
Power handling
P: 400; W
Program power
P_max: 800; W
Nominal impedance
Z: 4; Ω
DC resistance
R_E: 3.0; Ω
Inductance (1kHz)
L_E: 2.87; mH
VC Diameter: 48; mm
Winding height
H_VC: 26; mm
Winding material: Copper
Flux density
B: 0.6926; T
Force factor
Bl: 13.0; N/A
Motor constant
Bl/√R_E: 7.51; N/√W
Air gap height
H_AG: 10; mm
Weight: 2.1; kg
Material: Ferrite
Effective diameter: 257; mm
Effective area
S_D: 520; cm²
Moving mass
M_MS: 164; g
Moving mass (without air load)
M_MD: 155.2; g
Material: IMPP
Stiffness
K_MS: 11.49; N/mm
Compliance
C_MS: 87; µm/N
Equivalent volume to the compliance
V_AS: 37.5; L
Mechanical resistance
R_MS: 2.88; N·s/m
Surround material: Fiber Reinforced Elastic Polymer
Nominal diameter: 12; ″
: 300; mm
Overall diameter: 327; mm
Baffle cutout diameter: 283; mm
Overall depth: 169; mm
Flange thickness: 18; mm
Mounting depth: 151; mm
Volume occupied by the driver: 1.67; L
Net weight: 6.1; kg

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Pioneer TS-W311S4

Subwoofer

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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