3 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
Hertz MPX 690.3 PRO 3 Way
6 x 93 Way
fS
50 Hz
SD
223 cm²
30 - 24000 Hz
QTS
0.43
xmax
4.0 mm
SPL1W
89 dB
Bl/√RE
4.16
Pmax
260 W
Hertz CX 690 3 Way
6 x 93 Way
fS
70 Hz
SD
152 cm²
40 - 23000 Hz
QTS
0.67
xmax
3.5 mm
SPL1W
89 dB
Bl/√RE
2.7
Pmax
200 W
Hertz CPX 690 PRO 3 Way
6 x 93 Way
fS
60 Hz
SD
232 cm²
35 - 24000 Hz
QTS
0.61
xmax
5.0 mm
SPL1W
89 dB
Bl/√RE
3.57
Pmax
360 W