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Eminence 820H: 8 inch Hemp Cone 4 ohm Guitar Speaker

Price: $74.99 $64.99

Great fit for vintage Fender Champs!
4 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.
20 watts / 80-4.6kHz / 1″ voice coil
Available in 4 ohms only.

SKU: 820H Categories: , ,

Description

Eminence 820H: 8 inch Hemp Cone 4 ohm Guitar Speaker

Featuring a hemp cone, 1” voice coil and lightweight 15 oz. ceramic magnet, the 4 ohm 820H offers a rich, warm, full bodied tone that emulates a larger cone, with fat, punchy lows, smooth, but defined highs, and a nice break up. The 820H also offers prominent mids, but with a warm, smooth texture.

Click Here to Download 4 ohm PDF Spec Sheet

SPECIFICATION
Nominal Basket Diameter 8″, 203 mm
Nominal Impedance* 4 Ω
Power Rating*
Program Power 40 W
Watts 20 W
Resonance 144 Hz
Usable Frequency Range 80 Hz – 4.6 kHz
Sensitivity* 96.1 dB
Magnet Weight 15 oz.
Gap Height 0.25″, 6.4 mm
Voice Coil Diameter 1″, 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
Sealed Acceptable
Vented Acceptable
Driver Volume Displaced 0.018 cu.ft. / 0.51 liters
Overall Diameter 8.24″, 209.3 mm
Baffle Hole Diameter 7.13″, 181.1 mm
Front Sealing Gasket Yes
Rear Sealing Gasket N/A
Mounting Holes Diameter 0.22″, 5.6mm
Mounting Holes B.C.D. 7.75″, 196.9mm
Depth 3.06″, 77.7 mm
Net Weight 3.1 lbs, 1.41 kg
Shipping Weight 3.9 lbs, 1.77 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Non-vented core
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Full paper cone
Dust Cap Composition Zurette dust cap

“There are a lot of 8” amplifiers on the market, but very few have a speaker capable of delivering quality tone.” said Anthony Lucas, Eminence tech support specialist. “The 820H sounds nearly like a 10” speaker and doesn’t break up too early or fall apart like other 8” speakers I’ve heard. It could enhance the tone in any suitable amplifier on the market, and is actually the first 8” speaker I’ve ever heard that I consider worthy of putting in something like a vintage Fender Champ.”

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