PHL audio 7321Nd

Subwoofer

18″ / 460 mm
Nominal diameter
34 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 10 mm
Linear excursion
2400 W
Program Power
PHL audio 7321Nd Subwoofer
Excursion
Velocity
SPL
Phase
Group delay
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
95.6
dB
Frequency response
25 - 800
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
3.86
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
10.0
mm
Maximum excursion before damage
xlim
21.0
mm
Air volume displaced at xmax
VD
1250
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.91
mH
VC Diameter
101
mm
Winding height
HVC
25
mm

Magnet

Force factor
Bl
28.0
N/A
Motor constant
Bl/√RE
12.3
N/√W
Air gap height
HAG
10
mm
Diameter
140
mm
Material
Neodymium

Diaphragm

Effective diameter
399
mm
Effective area
SD
1250
cm²
Moving mass
MMS
217
g
Moving mass (without air load)
MMD
186.9
g

Suspensions

Stiffness
KMS
10.0
N/mm
Compliance
CMS
100
µm/N
Equivalent volume to the compliance
VAS
221
L
Mechanical resistance
RMS
12.01
N·s/m

Dimensions

Nominal diameter
18
″
460
mm
Overall diameter
457
mm
Baffle cutout diameter
422
mm
Overall depth
200
mm
Flange thickness
15
mm
Mounting depth
185
mm
Volume occupied by the driver
6.2
L
Net weight
7.4
kg
Impedance
Step response
Tone Burst
PHL audio 7321Nd Dimensions
DatasheetDatasheet

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Similar subwoofers to PHL audio 7321Nd

PHL audio 7221Nd Subwoofer
PHL audio  7221Nd8 Ω
18″Subwoofer
fS
34 Hz
SD
1250 cm²
25 - 800 Hz
QTS
0.29
xmax
10.0 mm
SPL1W
96 dB
Bl/√RE
12
Pmax
2000 W