SEAS H1602-04/06 L12RE/XFC

Coaxial

4.5″ / 120 mm
Nominal diameter
55 Hz
Resonance
0.3
Q factor
83 dB
Sensitivity
± 3 mm
Linear excursion
250 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
83.4
dB
Frequency response
60 - 25000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
2.99
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.30

Large signal parameters

Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
6.0
mm
Air volume displaced at xmax
VD
14
cm³
Power handling
P
80
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz)
LE
0.48
mH
VC Diameter
39
mm
Winding height
HVC
12
mm

Magnet

Flux density
B
0.85
T
Force factor
Bl
5.5
N/A
Motor constant
Bl/√RE
3.12
N/√W
Air gap height
HAG
6
mm
Weight
0.42
kg

Diaphragm

Effective diameter
77
mm
Effective area
SD
47
cm²
Moving mass
MMS
9.2
g
Moving mass (without air load)
MMD
8.9
g

Suspensions

Stiffness
KMS
1.11
N/mm
Compliance
CMS
900
µm/N
Equivalent volume to the compliance
VAS
3
L
Mechanical resistance
RMS
1.08
N·s/m

Dimensions

Nominal diameter
4.5
120
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.2
kg
SEAS H1602-04/06 L12RE/XFC SPL & Impedance
SEAS H1602-04/06 L12RE/XFC Dimensions

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SD
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