The Eminence Alphalite 6A speaker is a 6.5" mid/woofer with a 3.6" OD vented neodymium motor. Its medium Qt allows it to work well in all sorts of speaker enclosures, from tiny sealed midrange applica... Read More
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The Eminence Alphalite 6A speaker is a 6.5" mid/woofer with a 3.6" OD vented neodymium motor. Its medium Qt allows it to work well in all sorts of speaker enclosures, from tiny sealed midrange applications to infinite baffle mid/bass applications. The Eminence speaker's neodynium motor uses a very high temp grade of neodymium to prevent any heat related or power handling problems. Comprised of a top plate, bumped vented back plate, 3.6" OD neodymium magnet, and vented core, this lightweight motor can be used on other drivers in the Eminence Alpha Series or for OEM designs.
Recommended enclosure volume:
Sealed: 2.8-5.7 ltr/0.1-0.2 cu.'
Vented: 3.4-15.6 ltr/0.12-0.55 cu.'
Overall diameter: 6.59", 167.4mm
Baffle hole diameter: 5.69", 144.5mm
Front sealinggasket: Fitted as Standard
Rear sealinggasket: Fitted as Standard
Mounting holes diameter: .23", 5.7mm
Mounting holes B.C.D.: 6.06", 154mm
Depth: 2.8", 71mm
Net weight: 4.1lb., 1.9kg
Materials of Construction
Coil construction: Copper
Magnet composition: Ferrite
Core details: Vented and extended
Basket materials: Pressed steel
Cone composition: Paper
Cone edge composition: Cloth
Nominal basket diameter: 6.5", 165mm
Nominal impedance: 4 or 8Ω
Music program: 200W
Usable frequency range: 85Hz-6kHz
Magnet weight: 20oz.
Gap height: .25", 6.35mm
Voice coil diameter: 1.5", 38.1mm
Thiele & Small Parameters
Resonant frequency (fs): 118Hz
DC resistance (Re): 7.2
Coil inductance (Le): 0.19mH
Mechanical Q (Qms): 5.68
Electromagnetic Q (Qes): 0.60
Total Q (Qts): 0.54
Compliance equivalent volume (Vas): 5.8 ltr/0.2 cu. ft.
Peak diaphragm displacement volume (Vd): 44cc
Mechanical compliance of suspension (Cms): 0.26mm/N