PHL audio 3840

Fe
NdU

Woofer

10″ / 250 mm
Nominal diameter
62 Hz
Resonance
0.22
Q factor
96 dB
Sensitivity
± 4.5 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
95.7
dB
Frequency response
60 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
5.01
Electrical quality factor
QES
0.22
Total quality factor
QTS
0.22

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Maximum excursion before damage
xlim
12.0
mm
Air volume displaced at xmax
VD
160
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.06
mH
VC Diameter
77
mm
Winding height
HVC
15
mm

Magnet

Force factor
Bl
20.9
N/A
Motor constant
Bl/√RE
8.83
N/√W
Air gap height
HAG
10
mm
Diameter
204
mm
Material
Ferrite

Diaphragm

Effective diameter
213
mm
Effective area
SD
356
cm²
Moving mass
MMS
45
g
Moving mass (without air load)
MMD
40.2
g

Suspensions

Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
26.3
L
Mechanical resistance
RMS
3.5
N·s/m

Dimensions

Nominal diameter
10
250
mm
Overall diameter
255
mm
Baffle cutout diameter
229
mm
Overall depth
124
mm
Flange thickness
11
mm
Mounting depth
113
mm
Volume occupied by the driver
2.0
L
Net weight
8.2
kg
PHL audio 3840 Dimensions

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