Eminence Alpha 8A 8

Eminence Alpha 8A 8" Woofer!

Regular price $44.99 Sale

 

ALPHA-8A

 

 

Message any questions before purchasing in quantities! We are a distributor for most top speaker brands and sell in quantities, as well as singles!

We have distributed Eminence for 18 years.
We have all the other major PRO Audio Speaker Brands and Models.
We sell to Dealers as well.
We have MANY of these - just get in touch - we are 20 years EMINENCE DISTRIBUTOR!!!
We also sell to Dealers!!!
QUANTITY PRICING!!!
ALLLLLL OTHER MODELS AVAILABLE!!! 

 

 

 

 

SPECIFICATION

 

 

 

 

 

 

Nominal Basket Diameter

 

 

8", 203.2mm

 

 

 

Nominal Impedance*

 

 

8 ohms

 

 

 

Power Rating

 

 

 

 

 

 

Watts

 

 

125W

 

 

 

Music Program

 

 

250W

 

 

 

Resonance

 

 

73Hz

 

 

 

Usable Frequency Range

 

 

58Hz-5kHz

 

 

 

Sensitivity***

 

 

94

 

 

 

Magnet Weight

 

 

20 oz.

 

 

 

Gap Height

 

 

0.25", 6.35mm

 

 

 

Voice Coil Diameter

 

 

1.5", 38.1mm

 

 

 

 

 

 

 

 

 

 

THIELE & SMALL PARAMETERS

 

 

 

 

 

 

Resonant Frequency (fs)

 

 

DC Resistance (Re)

 

 

5.3

 

 

 

Coil Inductance (Le)

 

 

0.44mH

 

 

 

Mechanical Q (Qms)

 

 

4.6

 

 

 

Electromagnetic Q (Qes)

 

 

0.68

 

 

 

Total Q (Qts)

 

 

0.59

 

 

 

Compliance Equivalent Volume (Vas)

 

 

17.7 liters / 0.6 cu.ft.

 

 

 

Peak Diaphragm Displacement Volume (Vd)

 

 

67cc

 

 

 

Mechanical Compliance of Suspension (Cms)

 

 

0.28mm/N

 

 

 

BL Product (BL)

 

 

7.8 T-M

 

 

 

Diaphram Mass inc. Airload (Mms)

 

 

17 grams

 

 

 

Efficiency Bandwidth Product (EBP)

 

 

107

 

 

 

Maximum Linear Excursion (Xmax)

 

 

3.2mm

 

 

 

Surface Area of Cone (Sd)

 

 

210.0 cm2

 

 

 

Maximum Mechanical Limit (Xlim)

 

 

7.1mm

 

 

 

 

 

 

 

 

 

 

MOUNTING INFORMATION

 

 

 

 

 

 

Recommended Enclosure

 

 

 

 

 

 

Sealed

 

 

5-7 liters/0.18-0.25 cu.ft.

 

 

 

Vented

 

 

16.7-25.5 liters/0.59-0.90 cu.ft.

 

 

 

Overall Diameter

 

 

8.24", 209.2mm

 

 

 

Baffle Hole Diameter

 

 

7.13", 181mm

 

 

 

Front Sealing Gasket

 

 

Fitted as standard

 

 

 

Rear Sealing Gasket

 

 

Fitted as standard

 

 

 

Mounting Holes Diameter

 

 

0.22", 5.5mm

 

 

 

Mounting Holes B.C. D.

 

 

7.75", 196.9mm

 

 

 

Depth

 

 

3.25", 83mm

 

 

 

Net Weight

 

 

4.3 lbs., 1.9 kg

 

 

 

Shipping Weight

 

 

5.1 lbs., 2.3 kg

 

 

 

 

 

 

 

 

 

 

MATERIALS OF CONSTRUCTION

 

 

 

 

 

 

Coil Construction

 

 

Copper 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

 

 

 

Dustcap Composition

 

 

Solid composition paper dust cap