Beyma 3FR30Nd
Full-range
3″ / 77 mm
Nominal diameter
180 Hz
Resonance
0.56
Q factor
89 dB
Sensitivity
± 4.5 mm
Linear excursion
60 W
Program Power
Discontinued
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.1
dB
Frequency response
180 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
180
Hz
Mechanical quality factor
QMS
9.50
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.56
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
14
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
20
mm
Winding height
HVC
10.5
mm
Magnet
Force factor
Bl
4.8
N/A
Motor constant
Bl/√RE
2.07
N/√W
Air gap height
HAG
3
mm
Material
Neodymium
Diaphragm
Effective diameter
62
mm
Effective area
SD
30
cm²
Moving mass
MMS
2
g
Moving mass (without air load)
MMD
1.9
g
Suspensions
Stiffness
KMS
2.8
N/mm
Compliance
CMS
357
µm/N
Equivalent volume to the compliance
VAS
0.55
L
Mechanical resistance
RMS
0.26
N·s/m
Dimensions
Nominal diameter
3
″
77
mm
Net weight
0.25
kg
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Beyma 3FR30Nd
.jpg.webp)
.png.webp)
2″Full-range
fS
219 Hz
SD
19 cm²
200 - 20000 Hz
QTS
0.59
xmax
1.8 mm
SPL1W
87 dB
Bl/√RE
1.52
Pmax
40 W
.jpg.webp)