Scan-Speak Discovery 10F/8414G10

Full-range

4″ / 100 mm
Nominal diameter
100 Hz
Resonance
0.51
Q factor
86 dB
Sensitivity
± 2.3 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
85.6
dB
Frequency response
130 - 10000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
2.44
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.51

Large signal parameters

Maximum linear excursion
xmax
2.3
mm
Maximum excursion before damage
xlim
7.5
mm
Air volume displaced at xmax
VD
8.3
cm³
Power handling
P
10
W
Program power
Pmax
20
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz, estimated)
LE
0.16
mH
VC Diameter
20
mm
Winding height
HVC
8.7
mm

Magnet

Force factor
Bl
4.27
N/A
Motor constant
Bl/√RE
1.7
N/√W
Air gap height
HAG
4
mm
Material
Neodymium

Diaphragm

Effective diameter
68
mm
Effective area
SD
36
cm²
Moving mass
MMS
2.9
g
Moving mass (without air load)
MMD
2.8
g
Material
Coated Fibre Glass

Suspensions

Stiffness
KMS
1.16
N/mm
Compliance
CMS
860
µm/N
Equivalent volume to the compliance
VAS
1.5
L
Mechanical resistance
RMS
0.76
N·s/m

Dimensions

Nominal diameter
4
100
mm
Volume occupied by the driver
0.03
L
Net weight
0.16
kg
Frame material
Aluminium
Scan-Speak 10F/8414G10 SPL & Impedance
Scan-Speak 10F/8414G10 Dimensions

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Fountek FR89EX Full-range
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fS
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SD
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70 - 20000 Hz
QTS
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xmax
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SPL1W
85 dB
Bl/√RE
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Pmax
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