Scan-Speak Discovery 5F/8422T01

Full-range

2″ / 50 mm
Nominal diameter
93 Hz
Resonance
0.61
Q factor
80 dB
Sensitivity
± 2 mm
Linear excursion
20 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
79.7
dB
Frequency response
100 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
93.0
Hz
Mechanical quality factor
QMS
5.17
Electrical quality factor
QES
0.69
Total quality factor
QTS
0.61

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Maximum excursion before damage
xlim
5.0
mm
Air volume displaced at xmax
VD
3.0
cm³
Power handling
P
10
W
Program power
Pmax
20
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz, estimated)
LE
0.12
mH
VC Diameter
26
mm
Winding height
HVC
6
mm
Former material
Titanium

Magnet

Force factor
Bl
3.07
N/A
Motor constant
Bl/√RE
1.25
N/√W
Air gap height
HAG
2
mm
Material
Neodymium

Diaphragm

Effective diameter
44
mm
Effective area
SD
15
cm²
Moving mass
MMS
1.9
g
Moving mass (without air load)
MMD
1.8
g

Suspensions

Stiffness
KMS
0.63
N/mm
Compliance
CMS
1580
µm/N
Equivalent volume to the compliance
VAS
0.5
L
Mechanical resistance
RMS
0.21
N·s/m

Dimensions

Nominal diameter
2
50
mm
Volume occupied by the driver
0.02
L
Net weight
0.127
kg
Scan-Speak 5F/8422T01 SPL & Impedance
Scan-Speak 5F/8422T01 Dimensions

Export this driver to a simulation software:

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