Speaker - Eminence® American, 8", Beta 8A, 225W

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Speaker - Eminence® American, 8", Beta 8A, 225W

$64.99
In stock

American Standard Series 8" speaker, 8 ohm. Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable as a mid-bass speaker in sealed enclosures.

SPECIFICATION
Nominal Basket Diameter 8", 203 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 450 W
Watts 225 W
Resonance 65 Hz
Usable Frequency Range 78 Hz - 4.5 kHz
Sensitivity* 95.1 dB
Magnet Weight 34 oz.
Gap Height 0.31", 7.9 mm
Voice Coil Diameter 2", 51 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 65 Hz
DC Resistance (Re) 5.99 Ω
Coil Inductance (Le) 0.49m H
Mechanical Q (Qms) 4.95
Electromagnetic Q (Qes) 0.42
Total Q (Qts) 0.38
Compliance Equivalent Volume (Vas) 23.3 liters / 0.82 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 63 cc
Mechanical Compliance of Suspension (Cms) 0.37 mm/N
BL Product (BL) 9.6 T-M
Diaphragm Mass Inc. Airload (MMs) 16 grams
Efficiency Bandwidth Product (EBP) 156
Maximum Linear Excursion (Xmax) 3 mm
Surface Area of Cone (Sd) 210 cm2
Maximum Mechanical Limit (Xlim) 7.4 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed 5.7-9.9 liters / 0.2-0.35 cu.ft.
Vented 8.5-19 liters / 0.3-0.67 cu.ft.
Driver Volume Displaced 0.027 cu.ft. / 0.76 liters
Overall Diameter 8.24", 209.3 mm
Baffle Hole Diameter 7.13", 181.1 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.22", 5.6mm
Mounting Holes B.C.D. 7.75", 196.9mm
Depth 3.5", 88.9 mm
Net Weight 6.6 lbs, 2.99 kg
Shipping Weight 7.4 lbs, 3.36 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Aluminum voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap
RoHS Compliant
SKU:
P-A-BETA-8A-8
Item ID:
010415
UPC/EAN:
876358000067
Brand:
American Standard
Ohms:
Size:
Type:
Product Measurements
Baffle Hole Diameter7.13", 181.1 mm
Basket MaterialsPressed steel basket
Bl Product (bl)9.6 T-M
Coil ConstructionAluminum voice coil
Coil FormerPolyimide former
Coil Inductance (le)0.49m H
Compliance Equivalent Volume (vas)23.3 liters / 0.82 cu.ft.
Cone CompositionPaper cone
Cone Edge CompositionCloth cone edge
Core DetailsVented core
Dc Resistance (re)5.99 Ω
Depth3.5", 88.9 mm
Diameter8 in.
Diaphragm Mass Inc. Airload (mms)16 grams
Driver Volume Displaced0.027 cu.ft. / 0.76 liters
Dust Cap CompositionSolid composition paper dust cap
Efficiency Bandwidth Product (ebp)156
Electromagnetic Q (qes)0.42
Front Sealing GasketYes
Gap Height0.31", 7.9 mm
Magnet CompositionFerrite magnet
Magnet Weight34 oz.
Maximum Linear Excursion (xmax)3 mm
Maximum Mechanical Limit (xlim)7.4 mm
Mechanical Compliance Of Suspension (cms)0.37 mm/N
Mechanical Q (qms)4.95
Mounting Holes B.c.d.7.75", 196.9mm
Mounting Holes Diameter0.22", 5.6mm
Net Weight6.6 lbs, 2.99 kg
Nominal Basket Diameter8", 203 mm
Nominal Impedance8 Ω
Overall Diameter8.24", 209.3 mm
Peak Diaphragm Displacement Volume (vd)63 cc
Program Power450 W
Rear Sealing GasketYes
Resonance65 Hz
Resonant Frequency (fs)65 Hz
Sealed5.7-9.9 liters / 0.2-0.35 cu.ft.
Sensitivity*95.1 dB
Surface Area Of Cone (sd)210 cm2
Total Q (qts)0.38
Usable Frequency Range78 Hz - 4.5 kHz
Vented8.5-19 liters / 0.3-0.67 cu.ft.
Voice Coil Diameter2", 51 mm
Watts225 W
Packaging Information
Packaging Dimensions9.25 in. × 9.25 in. × 4.125 in.
Weight (Packaging)7.4 lbs.

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