12 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Basket
12 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Cone
12 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Side
12 inch Eminence American Standard Series Replacement Speaker Eminence Speaker Frequency Response
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We currently have 60 in stock.

BETA-12A 12" American Standard Series Speaker

Regular price
$119.99
Sale price
$119.99
Regular price
$144.99
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Recommended for professional audio and bass guitar applications as a woofer in a vented enclosure. Also works well for PA in a sealed or bandpass enclosure.

Applications 

Woofer | Midbass | Midrange | Pro Audio | Home Stereo | Home Theater | Bass Guitar

Box Type: Sealed | Vented | Horn Loading

Specifications

Download Spec Sheet Download Cab Design
SPECIFICATION
Nominal Basket Diameter 12", 305 mm
Nominal Impedance* 8 Ω
Power Rating*
Program Power 500 W
Watts 250 W
Resonance 47 Hz
Usable Frequency Range 43 Hz - 3.8 kHz
Sensitivity* 98 dB
Magnet Weight 38 oz.
Gap Height 0.312", 7.9 mm
Voice Coil Diameter 2", 51 mm
THIELE & SMALL PARAMETERS
Resonant Frequency (fs) 47 Hz
DC Resistance (Re) 5 Ω
Coil Inductance (Le) 0.64m H
Mechanical Q (Qms) 6
Electromagnetic Q (Qes) 0.5
Total Q (Qts) 0.46
Compliance Equivalent Volume (Vas) 120.1 liters / 4.24 cu.ft.
Peak Diaphragm Displacement Volume (Vd) 237 cc
Mechanical Compliance of Suspension (Cms) 0.29 mm/N
BL Product (BL) 10.8 T-M
Diaphragm Mass Inc. Airload (MMs) 40 grams
Efficiency Bandwidth Product (EBP) 94
Maximum Linear Excursion (Xmax) 4.4 mm
Surface Area of Cone (Sd) 538.9 cm2
Maximum Mechanical Limit (Xlim) 11 mm
MOUNTING INFORMATION
Recommended Enclosure Volume
Sealed 25.5-35.4 liters / 0.9-1.25 cu.ft.
Vented 36.8-139 liters / 1.3-4.9 cu.ft.
Driver Volume Displaced 0.071 cu.ft. / 2 liters
Overall Diameter 12.03", 305.6 mm
Baffle Hole Diameter 11.07", 281.2 mm
Front Sealing Gasket Yes
Rear Sealing Gasket Yes
Mounting Holes Diameter 0.25", 6.4mm
Mounting Holes B.C.D. 11.59", 294.4mm
Depth 5.5", 139.7 mm
Net Weight 7.5 lbs, 3.4 kg
Shipping Weight 9.7 lbs, 4.4 kgs
MATERIALS OF CONSTRUCTION
Coil Construction Copper voice coil
Coil Former Polyimide former
Magnet Composition Ferrite magnet
Core Details Vented and extended core
   
Basket Materials Pressed steel basket
Cone Composition Paper cone
Cone Edge Composition Cloth cone edge
Dust Cap Composition Solid composition paper dust cap


Frequency Response

response graph