EMINENCE USA 820H (4 ohm)
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EMINENCE USA 820H (4 ohm)

Was: $119.99
Now: $89.99
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SKU:
8513A-U
Weight:
0.00 LBS
Shipping:
Calculated at Checkout

Product Description

\n \n4 ohm hemp cone speaker with rich, warm, full bodied tone with fat, punchy lows, smooth, but defined highs, and a nice break up. Prominent mids, but with a warm, smooth texture. \n \n
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SPECIFICATION
Nominal Basket Diameter8", 203 mm
Nominal Impedance*4 Ω
Power Rating*
Program Power40 W
Watts20 W
Resonance144 Hz
Usable Frequency Range80 Hz - 4.6 kHz
Sensitivity*96.1 dB
Magnet Weight15 oz.
Gap Height0.25", 6.4 mm
Voice Coil Diameter1", 25 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs)144 Hz
DC Resistance (Re)3.64 Ω
Coil Inductance (Le)0.33m H
Mechanical Q (Qms)18.78
Electromagnetic Q (Qes)0.92
Total Q (Qts)0.88
Compliance Equivalent Volume (Vas)9.62 liters / 0.34 cu.ft.
Peak Diaphragm Displacement Volume (Vd)36.7 cc
Mechanical Compliance of Suspension (Cms)0.13 mm/N
BL Product (BL)5.74 T-M
Diaphragm Mass Inc. Airload (MMs)9 grams
Efficiency Bandwidth Product (EBP)156
Maximum Linear Excursion (Xmax)1.59 mm
Surface Area of Cone (Sd)230.9 cm2
Maximum Mechanical Limit (Xlim)N/A
MOUNTING INFORMATION
Recommended Enclosure Volume
SealedAcceptable
VentedAcceptable
Driver Volume Displaced0.018 cu.ft. / 0.51 liters
Overall Diameter8.24", 209.3 mm
Baffle Hole Diameter7.13", 181.1 mm
Front Sealing GasketYes
Rear Sealing GasketN/A
Mounting Holes Diameter0.22", 5.6mm
Mounting Holes B.C.D.7.75", 196.9mm
Depth3.06", 77.7 mm
Net Weight3.1 lbs, 1.41 kg
Shipping Weight3.9 lbs, 1.77 kgs
MATERIALS OF CONSTRUCTION
Coil ConstructionCopper voice coil
Coil FormerPolyimide former
Magnet CompositionFerrite magnet
Core DetailsNon-vented core
Basket MaterialsPressed steel basket
Cone CompositionHemp cone
Cone Edge CompositionPaper cone edge
Dust Cap CompositionZurette dust cap
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