DB Drive PTW10D2

2x2Ω
2x4Ω

Subwoofer

10″ / 254 mm
Nominal diameter
37 Hz
Resonance
0.44
Q factor
85 dB
Sensitivity
± 17.5 mm
Linear excursion
1750 W
Program Power
Discontinued
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
84.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
36.9
Hz
Mechanical quality factor
QMS
6.39
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
17.5
mm
Air volume displaced at xmax
VD
604
cm³
Power handling
P
900
W
Program power
Pmax
1750
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series)
LE
2.63
mH

Magnet

Force factor (in series)
Bl
19.6
N/A
Motor constant
Bl/√RE
9.8
N/√W

Diaphragm

Effective diameter
210
mm
Effective area
SD
345
cm²
Moving mass
MMS
195.7
g
Moving mass (without air load)
MMD
191.1
g

Suspensions

Stiffness
KMS
11.11
N/mm
Compliance
CMS
90
µm/N
Equivalent volume to the compliance
VAS
14.5
L
Mechanical resistance
RMS
7.1
N·s/m

Dimensions

Nominal diameter
10
254
mm
Volume occupied by the driver
2.8
L

Export this driver to a simulation software:

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fS
38 Hz
SD
364 cm²
QTS
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xmax
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SPL1W
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Bl/√RE
8.48
Pmax
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