Eighteen Sound 10NMB420

16Ω

Woofer

10″ / 260 mm
Nominal diameter
56 Hz
Resonance
0.25
Q factor
97 dB
Sensitivity
± 4 mm
Linear excursion
500 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
97.2
dB
Frequency response
65 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
56.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
138
cm³
Power handling
P
350
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.37
mH
VC Diameter
65
mm
Winding material
Aluminum

Magnet

Force factor
Bl
14.5
N/A
Motor constant
Bl/√RE
6.48
N/√W

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
29.5
g
Moving mass (without air load)
MMD
24.8
g

Suspensions

Stiffness
KMS
3.65
N/mm
Compliance
CMS
274
µm/N
Equivalent volume to the compliance
VAS
40
L
Mechanical resistance
RMS
2.08
N·s/m

Dimensions

Nominal diameter
10
260
mm
Overall diameter
260
mm
Baffle cutout diameter
232
mm
Overall depth
122
mm
Flange thickness
11
mm
Mounting depth
111
mm
Volume occupied by the driver (estimated)
1.4
L
Net weight
3.0
kg
Eighteen Sound 10NMB420 Impedance
Eighteen Sound 10NMB420 SPL
Eighteen Sound 10NMB420 Dimensions

Export this driver to a simulation software:

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SD
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