3″ Driver 60 W 8 Ohms
The Eminence Alpha 3-8 is a truly versatile compact fullrange driver perfectly suited for tight fitting pro audio line array and column array applications. With a program power rating of 60 watts, this 3” driver utilizes an 8.3 oz ferrite magnet in conjunction with an internal neodymium bucking magnet for increased sensitivity and extends the response out to 20kHz. The highly pressed cone sandwiches paper with a layer of water-resistant polypropylene for increased stiffness and lower distortion.
General
Product type
Loudspeaker Chassis
Type
PA
Nominal Diameter
3 “
Nominal Diameter
76 mm
Voice Coil
0.79 “
Voice Coil
20 mm
Overall diameter
101.1 mm
Pitch Circle Diameter
92.1 mm
Cut- out Measurement
77.2 mm
Diameter of fixing holes
4.1 mm
Depth
44.6 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
30 W
maximum rated load
60 W
Sensitivity (1 W / 1 m)
88.6 dB
Frequency response
150 – 20000 Hz
Voice Coil Material
copper
Magnet
Ferrite
Thiele & Small Parameter
Fs (Resonance Frequency)
118 Hz
Re (DC resistance)
5.12 Ohm(s)
Qms (mechanical quality)
7.94
Le (inductance of the voice coil)
0.11 mH
Qes (electrical quality)
0.53
Qts (overall quality)
0.5
Vas (equivalent volume)
0.95
Mms (moving mass)
2 g
BL (power factor)
3.93 T/m
Xmax (maximum displacement)
2.4 mm
Cms (elasticity of the suspension)
0.84 mm/N
Sd (membrane area)
28.6 cm²
Weight
0,68 kg
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