Scan-Speak Revelator 22W/4851T00

Woofer

8″ / 220 mm
Nominal diameter
21 Hz
Resonance
0.22
Q factor
88 dB
Sensitivity
± 9 mm
Linear excursion
200 W
Program Power
Scan-Speak 22W/4851T00 WooferScan-Speak 22W/4851T00 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
88.3
dB
Frequency response
21 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
21.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22

Large signal parameters

Maximum linear excursion
xmax
9.0
mm
Maximum excursion before damage
xlim
14.0
mm
Air volume displaced at xmax
VD
198
cm³
Power handling
P
80
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz, estimated)
LE
0.42
mH
VC Diameter
50
mm
Winding height
HVC
24
mm

Magnet

Force factor
Bl
8.2
N/A
Motor constant
Bl/√RE
4.26
N/√W
Air gap height
HAG
6
mm
Material
Ferrite

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
32.5
g
Moving mass (without air load)
MMD
30
g
Material
Rigid Paper

Suspensions

Stiffness
KMS
0.54
N/mm
Compliance
CMS
1850
µm/N
Equivalent volume to the compliance
VAS
126
L
Mechanical resistance
RMS
0.81
N·s/m
Surround material
SBR Rubber

Dimensions

Nominal diameter
8
″
220
mm
Volume occupied by the driver
1.04
L
Net weight
3.6
kg
Frame material
Die cast Aluminium
SPL & Impedance
Scan-Speak 22W/4851T00 SPL & Impedance
Scan-Speak 22W/4851T00 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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