Scan-Speak 30W/4558T06

Subwoofer

12″ / 300 mm
Nominal diameter
17 Hz
Resonance
0.32
Q factor
86 dB
Sensitivity
± 12.5 mm
Linear excursion
350 W
Program Power
Scan-Speak 30W/4558T06 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
86.2
dB
Frequency response
17 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
17.0
Hz
Mechanical quality factor
QMS
5.01
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
12.5
mm
Maximum excursion before damage
xlim
28.0
mm
Air volume displaced at xmax
VD
583
cm³
Power handling
P
150
W
Program power
Pmax
350
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.6
Ω
Inductance (1kHz, estimated)
LE
0.72
mH
VC Diameter
51
mm
Winding height
HVC
33
mm

Magnet

Force factor
Bl
10.5
N/A
Motor constant
Bl/√RE
6.51
N/√W
Air gap height
HAG
8
mm

Diaphragm

Effective diameter
244
mm
Effective area
SD
466
cm²
Moving mass
MMS
135
g
Moving mass (without air load)
MMD
127.7
g
Material
Anodized Aluminium

Suspensions

Stiffness
KMS
1.54
N/mm
Compliance
CMS
650
µm/N
Equivalent volume to the compliance
VAS
197
L
Mechanical resistance
RMS
2.88
N·s/m

Dimensions

Nominal diameter
12
″
300
mm
Volume occupied by the driver
1.5
L
Net weight
6.3
kg
Frame material
Die cast Aluminium
SPL & Impedance
Scan-Speak 30W/4558T06 SPL & Impedance
Scan-Speak 30W/4558T06 Dimensions
DatasheetDatasheet

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