2 results
Nominal diameter
SensitivitySPL1W
dB

Thiele & Small parameters

Resonance frequencyfS
Hz
Mechanical quality factorQMS
Electrical quality factorQES
Total quality factorQTS

Large signal parameters

Maximum linear excursionxmax
mm
Air volume displaced at xmaxVD
cm³
Program powerPmax
W

Voice Coil & Magnet

Nominal impedanceZ
Ω
DC resistanceRE
Ω
Force factorBl
N/A
Motor constantBl/√RE
N/√W
InductanceLE
mH
VC Diameter
mm

Diaphragm

Effective diameter
mm
Effective areaSD
cm²
Moving massMMS
g

Suspensions

StiffnessKMS
N/mm
ComplianceCMS
µm/N
Equivalent volume to CMSVAS
L
Mechanical resistanceRMS
N·s/m

Dimensions

Overall size
mm
Baffle cutout diameter
mm
Overall depth
mm
Mounting depth
mm
Volume occupied
L
Net weight
kg
Beyma 3FR30V2 Full-range

Beyma 3FR30V2

8 Ω
3Full-range
fS133 Hz
SD30 cm²
135 - 20000 Hz
QTS0.51
xmax2 mm
SPL1W87 dB
Bl/√RE1.87
Pmax60 W
Discontinued
Beyma 3FR30 Full-range

Beyma 3FR30

8 Ω
3Full-range
fS160 Hz
SD30 cm²
160 - 20000 Hz
QTS0.49
xmax4.5 mm
SPL1W88.3 dB
Bl/√RE2.07
Pmax60 W