Eminence ALPHA 3-16

16Ω
32Ω

Full-range

3″ / 76 mm
Nominal diameter
112 Hz
Resonance
0.59
Q factor
86 dB
Sensitivity
± 2.7 mm
Linear excursion
70 W
Program Power
Eminence ALPHA 3-16 Full-range
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
86.1
dB
Frequency response
150 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
112
Hz
Mechanical quality factor
QMS
5.89
Electrical quality factor
QES
0.66
Total quality factor
QTS
0.59

Large signal parameters

Maximum linear excursion
xmax
2.7
mm
Maximum excursion before damage
xlim
4.0
mm
Air volume displaced at xmax
VD
7.7
cm³
Power handling
P
35
W
Program power
Pmax
70
W

Voice Coil

Nominal impedance
Z
16
Ω
DC resistance
RE
10.5
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
20
mm
Winding material
Copper
Former material
Polyimide

Magnet

Force factor
Bl
4.95
N/A
Motor constant
Bl/√RE
1.53
N/√W
Air gap height
HAG
2
mm
Weight
0.227
kg
Material
Ferrite

Diaphragm

Effective diameter
60
mm
Effective area
SD
29
cm²
Moving mass
MMS
2
g
Moving mass (without air load)
MMD
1.9
g
Material
Paper/Poly sandwich

Suspensions

Stiffness
KMS
1.08
N/mm
Compliance
CMS
930
µm/N
Equivalent volume to the compliance
VAS
1.05
L
Mechanical resistance
RMS
0.24
N·s/m
Surround material
Poly

Dimensions

Nominal diameter
3
″
76
mm
Overall diameter
101
mm
Baffle cutout diameter
77
mm
Overall depth
70
mm
Volume occupied by the driver
0.13
L
Net weight
0.41
kg
Frame material
Pressed steel
SPL & Impedance
Eminence ALPHA 3-16 SPL & Impedance
DatasheetDatasheet

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