Pioneer TS-W304R

Subwoofer

12″ / 300 mm
Nominal diameter
29 Hz
Resonance
0.7
Q factor
87 dB
Sensitivity
± 4.7 mm
Linear excursion
600 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.5
dB
Frequency response
20 - 220
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
28.6
Hz
Mechanical quality factor
QMS
13.30
Electrical quality factor
QES
0.74
Total quality factor
QTS
0.70

Large signal parameters

Maximum linear excursion
xmax
4.7
mm
Air volume displaced at xmax
VD
244
cm³
Power handling
P
300
W
Program power
Pmax
600
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.0
Ω
Inductance (1kHz)
LE
2.39
mH
VC Diameter
40
mm
Winding height
HVC
15.5
mm

Magnet

Flux density
B
0.621
T
Force factor
Bl
10.39
N/A
Motor constant
Bl/√RE
6.0
N/√W
Air gap height
HAG
6
mm
Weight
0.94
kg

Diaphragm

Effective diameter
257
mm
Effective area
SD
520
cm²
Moving mass
MMS
149.5
g
Moving mass (without air load)
MMD
141.3
g
Material
IMPP

Suspensions

Stiffness
KMS
4.76
N/mm
Compliance
CMS
210
µm/N
Equivalent volume to the compliance
VAS
77.9
L
Mechanical resistance
RMS
2.01
N·s/m

Dimensions

Nominal diameter
12
300
mm
Baffle cutout diameter
283
mm
Mounting depth
135
mm
Volume occupied by the driver
1.66
L
Pioneer TS-W304R Dimensions

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fS
28 Hz
SD
815 cm²
20 - 500 Hz
QTS
0.71
xmax
19.0 mm
SPL1W
86 dB
Bl/√RE
7.33
Pmax
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