Eminence ALPHA 4-8 4.5" Midrange Midbass Fullrange Speaker 8 ohm SOLD IN PAIRS!

Description

Eminence ALPHA 4-8  4.5" Midrange Midbass Full Range Speaker - 8 ohm - SOLD IN PAIRS!
Midwest Speaker is an authorized Eminence distributor and we stock the majority of the Eminence product line.  Please contact us if you need a different model.
New in Box.  Price is for (2) one pair.  Just change the quantity to order more.
* Perfectly suited for line arrays, car doors and side panels, and other tight fitting applications, the Alpha 4 is a very versatile 110 watt driver that can be used full range, as a midbass, or as a midrange. They can be stacked by themselves in a column for vocal applications, or in conjunction with a tweeter and a sub for compact, high performance PA or MI applications.
Specification
Nominal Basket Diameter
4", 102 mm
Nominal Impedance*
8 Ω
Power Rating*
Program Power
110 W
Watts
55 W
Resonance
123 Hz
Usable Frequency Range
105 Hz - 12 kHz
Sensitivity*
88 dB
Magnet Weight
10 oz.
Gap Height
0.14", 3.7 mm
Voice Coil Diameter
1", 25 mm
Thiele & Small Parameters
Resonant Frequency (fs)
123 Hz
DC Resistance (Re)
6.73 Ω
Coil Inductance (Le)
0.28m H
Mechanical Q (Qms)
6.83
Electromagnetic Q (Qes)
0.84
Total Q (Qts)
0.75
Compliance Equivalent Volume (Vas)
1.94 liters / 0.07 cu.ft.
Peak Diaphragm Displacement Volume (Vd)
15 cc
Mechanical Compliance of Suspension (Cms)
0.42 mm/N
BL Product (BL)
4.94 T-M
Diaphragm Mass Inc. Airload (MMs)
4 grams
Efficiency Bandwidth Product (EBP)
146
Maximum Linear Excursion (Xmax)
2.6 mm
Surface Area of Cone (Sd)
57.7 cm2
Maximum Mechanical Limit (Xlim)
4.5 mm
Mounting Information
Recommended Enclosure Volume
Sealed
1.87-8.5 liters / 0.07-0.3 cu.ft.
Vented
2.27-4.25 liters / 0.08-0.15 cu.ft.
Driver Volume Displaced
0.012 cu.ft. / 0.33 liters
Overall Diameter
4.57", 116.1 mm
Baffle Hole Diameter
3.77", 95.8 mm
Front Sealing Gasket
Yes
Rear Sealing Gasket
Yes
Mounting Holes Diameter
0.15", 3.8mm
Mounting Holes B.C.D.
4.25", 108mm
Depth
2.31", 58.7 mm
Net Weight
1.5 lbs, 0.68 kg
Shipping Weight
1.9 lbs, 0.86 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
Cloth cone edge
Dust Cap Composition
Solid composition paper dust cap
MADE IN THE USA.
FAST GROUND SHIPPING TO THE MAINLAND 48 UNITED STATES ONLY.
INTERNATIONAL SHIPPING TO CANADA WELCOME!!!
Our shipping costs do not include your country's customs charges, taxes and other fees.  Please do NOT ask us to send as a gift or to lower the declared value on the customs forms.
*Returns only accepted if speaker has NOT been mounted or soldered. Shipping costs are not refundable and buyer must pay for return shipping.