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Eminence ALPHA-8MRA 8 Ohm

Produktinformationen "Eminence ALPHA-8MRA 8 Ohm"

Eminence ALPHA-8MRA 8 Ohm

ALPHA-8MRA - empfohlen für Pro -Audio- und Bassgitarrenanwendungen als Mitteltöner. Geschlossener Korb macht diesen Lautsprecher unabhängig vom Gehäusedesign.


SPECIFICATION ALPHA-8MRA
Nominal Basket Diameter 8", 203 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power

250 W

Watts 125 W
Resonance 514 Hz
Usable Frequency Range 400 Hz - 4.8 kHz
Sensitivity* 100.9 dB
Magnet Weight 20 oz.
Gap Height 0.25", 6.4 mm
Voice Coil Diameter 1.5", 38 mm

THIELE & SMALL PARAMETERS ALPHA-8MRA

Resonant Frequency (fs) 514 Hz
DC Resistance (Re) 7.32 Ω
Coil Inductance (Le) 0.34m H
Mechanical Q (Qms) 4.48
Electromagnetic Q (Qes) 2.08
Total Q (Qts) 1.42
Compliance Equivalent Volume (Vas) 0.8 liters / 0.03 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 0 cc
Mechanical Compliance of Suspension (Cms) 0.01 mm/N
BL Product (BL) 8.9 T-M
Diaphragm Mass Inc. Airload (MMs) 7 grams
Efficiency Bandwidth Product (EBP) 247
Maximum Linear Excursion (Xmax) 1.6 mm
Surface Area of Cone (Sd) 205.9 cm2
Maximum Mechanical Limit (Xlim) 3 mm
MOUNTING INFORMATION ALPHA-8MRA
Recommended Enclosure Volume
Sealed N/a
Vented - liters / - cu.ft.
Driver Volume Displaced 0.02 cu.ft. / 0.58 liters
Overall Diameter 8.22", 208.8 mm
Baffle Hole Diameter 7.19", 182.6 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.22", 5.6mm
Mounting Holes B.C.D. 7.78", 197.6mm
Depth 3.25", 82.6 mm
Net Weight 4.4 lbs, 2 kg
Shipping Weight 5.1 lbs, 2.31 kgs
MATERIALS OF CONSTRUCTION ALPHA-8MRA
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented core
   
Basket Materials Pressed steel basket with closed back
Cone Composition Paper cone
Cone Edge Composition Paper cone edge
Dust Cap Composition Solid composition paper dust cap


Eminence ALPHA-8MRA


DATENBLATT


Coaxial: NEIN
Größe: 8"
Impedanz: 8 Ohm
Magnet: Ferrit
Qts: 0,61 - 0,99
Sperrgut: NEIN
X-MAX: 0,1 - 5,0 mm

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