Eminence American Standard Alpha10A 10 Inch Speaker 150 Watts
Item
EMIALPHA10A
$94.99$134.99Save$134.99
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Special Return Conditions
If defective, this item must be exchanged directly through the manufacturer. It can only be returned to us if it is unopened.
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The Eminence Alpha 10A PA speaker is the ideal replacement speaker for 10 inch 2 way speaker systems and stage monitors. This 8 ohm, 300W Music Program speaker provides fantastic sound and is extremely reliable which is a must in any speaker.
Materials of Construction
Kapton coil former
Ferrite magnet
Pressed steel basket
Polyamide-imide coated copper voice coil
Paper cone/cloth cone edge
Solid composition paper dust cap
How a Speaker Works The key working components of a loudspeaker are shown in the diagram below. When an electrical current passes through a wire coil (the voice coil) in a magnetic field, it produces a force which varies with the current applied. The cone, connected to the voice coil, moves in and out, creating waves of high and low air pressure.
The coil and magnet assembly are the 'motor structure' of the loudspeaker. The movement is controlled by the loudspeaker's suspension which comprises the cone surround and the 'spider'. The surround and spider allow the coil to move freely along the axis of the magnet's core (or pole) without touching the sides of the magnetic gap.
Eminence technology and proprietary materials mean that age-old compromises of durability against sensitivity, or power handling against precision of response, are more easily solved than you might imagine.
Heatsinks: In the quest for higher power density (more power and hence more sound from less space), Eminence has progressively introduced heatsink components to selected transducers e.g. cast frame neodymium products and Kilomax. The heatsinks pass through the pole of the transducer or are incorporated into the chassis of the loudspeaker to transfer heat away from the coil. The air currents caused by the cone movement cool the heatsink.
