Eminence ALPHA 3-32

Name: ALPHA 3-32
Brand: Eminence

16Ω

32Ω

Full-range

3″ / 101 mm

Nominal diameter

117 Hz

Resonance

0.74

Q factor

85 dB

Sensitivity

± 2.6 mm

Linear excursion

70 W

Program Power

Parts Express
: $$
Sensitivity (1W, 1m, infinite baffle)
SPL_1W: 85.3; dB
Frequency response: 150 - 20000; Hz
Resonance frequency (free air)
f_S: 117; Hz
Mechanical quality factor
Q_MS: 5.87
Electrical quality factor
Q_ES: 0.85
Total quality factor
Q_TS: 0.74
Maximum linear excursion
x_max: 2.6; mm
Maximum excursion before damage
x_lim: 4.0; mm
Air volume displaced at x_max
V_D: 7.4; cm³
Power handling
P: 35; W
Program power
P_max: 70; W
Nominal impedance
Z: 32; Ω
DC resistance
R_E: 22.4; Ω
Inductance (1kHz)
L_E: 0.23; mH
VC Diameter: 20; mm
Winding material: Copper
Former material: Polyimide
Force factor
Bl: 6.46; N/A
Motor constant
Bl/√R_E: 1.36; N/√W
Air gap height
H_AG: 2; mm
Weight: 0.227; kg
Material: Ferrite
Effective diameter: 60; mm
Effective area
S_D: 29; cm²
Moving mass
M_MS: 2; g
Moving mass (without air load)
M_MD: 1.9; g
Material: Paper/Poly sandwich
Stiffness
K_MS: 1.16; N/mm
Compliance
C_MS: 860; µm/N
Equivalent volume to the compliance
V_AS: 0.98; L
Mechanical resistance
R_MS: 0.25; N·s/m
Surround material: Poly
Nominal diameter: 3; ″
: 101; mm
Overall diameter: 101; mm
Baffle cutout diameter: 77; mm
Overall depth: 45; mm
Volume occupied by the driver: 0.13; L
Net weight: 0.41; kg
Frame material: Pressed steel

Datasheet

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Eminence ALPHA 3-32

Full-range

Available on (affiliate link)

Specifications

Thiele & Small parameters

Large signal parameters

Voice Coil

Magnet

Diaphragm

Suspensions

Dimensions

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