SB Acoustics SW26DBAC76-8

2x4Ω4Ω
8Ω

Subwoofer

10″ / 254 mm
Nominal diameter
20 Hz
Resonance
0.28
Q factor
83 dB
Sensitivity
± 12 mm
Linear excursion
500 W
Program Power
SB Acoustics SW26DBAC76-8 SubwooferSB Acoustics SW26DBAC76-8 Subwoofer
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
83.1
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
19.5
Hz
Mechanical quality factor
QMS
4.40
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
374
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz, estimated)
LE
2.05
mH
VC Diameter
76
mm
Winding height
HVC
30
mm

Magnet

Flux density
B
1.0
T
Force factor
Bl
21.4
N/A
Motor constant
Bl/√RE
8.46
N/√W
Air gap height
HAG
6
mm
Weight
0.281
kg

Diaphragm

Effective diameter
199
mm
Effective area
SD
312
cm²
Moving mass
MMS
172
g
Moving mass (without air load)
MMD
167.9
g

Suspensions

Stiffness
KMS
2.56
N/mm
Compliance
CMS
390
µm/N
Equivalent volume to the compliance
VAS
54
L
Mechanical resistance
RMS
4.8
N·s/m

Dimensions

Nominal diameter
10
″
254
mm
Volume occupied by the driver (estimated)
1.5
L
Net weight
3.43
kg
SPL & Impedance
SB Acoustics SW26DBAC76-8 SPL & Impedance
SB Acoustics SW26DBAC76-8 Dimensions
DatasheetDatasheet

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