HELIX PURE P 3M
Mid-range
3″ / 75 mm
Nominal diameter
130 Hz
Resonance
0.45
Q factor
85 dB
Sensitivity
± 2 mm
Linear excursion
150 W
Program Power
.jpg)
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.2
dB
Frequency response
400 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
130
Hz
Mechanical quality factor
QMS
4.72
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
6.0
cm³
Power handling
P
75
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz, estimated)
LE
0.1
mH
VC Diameter
25
mm
Winding height
HVC
8
mm
Magnet
Force factor
Bl
4.4
N/A
Motor constant
Bl/√RE
2.42
N/√W
Diaphragm
Effective diameter
62
mm
Effective area
SD
30
cm²
Moving mass
MMS
3.7
g
Moving mass (without air load)
MMD
3.6
g
Suspensions
Stiffness
KMS
2.41
N/mm
Compliance
CMS
415
µm/N
Equivalent volume to the compliance
VAS
0.54
L
Mechanical resistance
RMS
0.63
N·s/m
Dimensions
Nominal diameter
3
″
75
mm
Overall diameter
90
mm
Baffle cutout diameter
73
mm
Mounting depth
37
mm
Volume occupied by the driver (estimated)
0.1
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to HELIX P 3M
.jpg.webp)
.jpg.webp)
2 x 3.75″Full-range
fS
123 Hz
SD
25 cm²
100 - 15000 Hz
QTS
0.53
xmax
1.8 mm
SPL1W
84 dB
Bl/√RE
1.91
Pmax
44 W
.png.webp)