SEAS H1878-08 L19RNX1

Woofer

8″ / 190 mm
Nominal diameter
32 Hz
Resonance
0.38
Q factor
85 dB
Sensitivity
± 7 mm
Linear excursion
330 W
Program Power
SEAS H1878-08 L19RNX1 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
85.4
dB
Frequency response
20 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
5.50
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.38

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Maximum excursion before damage
xlim
11.0
mm
Air volume displaced at xmax
VD
102
cm³
Power handling
P
200
W
Program power
Pmax
330
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.66
mH
VC Diameter
39
mm
Winding height
HVC
20
mm

Magnet

Flux density
B
1.3
T
Force factor
Bl
8.8
N/A
Motor constant
Bl/√RE
3.53
N/√W
Air gap height
HAG
6
mm
Weight
0.9
kg

Diaphragm

Effective diameter
136
mm
Effective area
SD
146
cm²
Moving mass
MMS
25.4
g
Moving mass (without air load)
MMD
24
g

Suspensions

Stiffness
KMS
1.04
N/mm
Compliance
CMS
960
µm/N
Equivalent volume to the compliance
VAS
29
L
Mechanical resistance
RMS
0.93
N·s/m

Dimensions

Nominal diameter
8
″
190
mm
Volume occupied by the driver (estimated)
0.82
L
Net weight
2.0
kg
SPL & Impedance
SEAS H1878-08 L19RNX1 SPL & Impedance
SEAS H1878-08 L19RNX1 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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