Eminence
Eminence American Standard 8A Speaker - 225 W RMS - 450 W PMPO - 78 Hz to 4.50 kHz - 8 Ohm - 8.24 BETA8A
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- SKU:
- 18063640
- MPN:
- beta-8a
- Availability:
- Usually ships the same or next business day. In stock at our NJ warehouse.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/12/2025 07:30:07 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 or above | and pay only $89.99 each 89.99 |
- Stock Update:
- 12/12/2025 07:30:07 PM PST
Description
This item is brand-new, factory sealed.
This table charts the specifications for the BETA-8A speaker* Nominal Basket Diameter: 8-in , 203 mm.
* Nominal Impedance: 8 Ohms.
* Power Rating:
* Watts: 225 W.
* Music Program: 450 W.
* Resonance: 65 Hz.
* Usable Frequency Range: 78 Hz - 4.5 kHz.
* Sensitivity: 95.1 dB.
* Magnet Weight: 34 oz..
* Gap Height: 0.312-in , 7.9 mm.
* Voice Coil Diameter: 2-in , 51 mm.
* Thiele & Small Parameters.
* Resonant Frequency (fs): 65 Hz.
* DC Resistance (Re): 5.99 Ohms.
* Coil Inductance (Le): 0.49m H.
* Mechanical Q (Qms): 4.95.
* Electromagnetic Q (Qes): 0.42.
* Total Q (Qts): 0.38.
* Compliance Equivalent Volume (Vas): 23.3 liters / 0.82 cu.ft..
* Peak Diaphragm Displacement Volume (Vd): 63 cc.
* Mechanical Compliance of Suspension (Cms): 0.37 mm/N.
* BL Product (BL): 9.6 T-M.
* Diaphragm Mass Inc. Airload (MMs): 16 grams.
* Efficiency Bandwidth Product (EBP): 156.
* Maximum Linear Excursion (Xmax): 3 mm.
* Surface Area of Cone (Sd): 210 cm2.
* Maximum Mechanical Limit (Xlim): 7.4 mm.
-----------------------------------
Recommended Enclosure Volume;
* Sealed: 5.7-9.9 liters / 0.2-0.35 cu.ft..
* Vented: 8.5-19 liters / 0.3-0.67 cu.ft..
* Driver Volume Displaced: 0.027 cu.ft. / 0.76 liters.
* Overall Diameter: 8.24-in , 209.3 mm.
* Baffle Hole Diameter: 7.13-in , 181.1 mm.
* Front Sealing Gasket: Yes.
* Rear Sealing Gasket: Yes.
* Mounting Holes Diameter: 0.22-in , 5.6mm.
* Mounting Holes B.C.D.: 7.75-in , 196.9mm.
* Depth: 3.5-in , 88.9 mm.
* Net Weight: 6.6 lbs, 2.99 kg.
* Shipping Weight: 7.4 lbs, 3.36 kgs.
* Materials of Construction.
* Coil Construction: Aluminum 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.
* Dust Cap Composition: Solid composition paper dust cap.
Features
Additional Information:
United States
Driver Size: 8"
Driver Material: Paper
Country of Origin:
United States
Specs
| Physical Characteristics | |
| Product Material |
|
| Speaker Depth | 3.50" |
| Weight (Approximate) | 6.60 lb |
| Speaker Diameter | 8.24" |
| Depth | 3.50" |
| Warranty | |
| Limited Warranty | 7 Year |
| General Information | |
| Brand Name | Eminence |
| Manufacturer Website Address | http://www.eminence.com |
| Marketing Information | Recommended for professional audio mid-bass applications or as a woofer in vented enclosures. Also suitable as a mid-bass speaker in sealed enclosures. |
| Product Type | Speaker |
| Product Name | American Standard Beta 8A Speaker |
| Manufacturer | Eminence Speaker, LLC |
| Manufacturer Part Number | BETA-8A |
| Product Model | 8A |
| Product Series | Beta |
| Product Line | American Standard |
| Technical Information | |
| PMPO Output Power | 450 W |
| Minimum Frequency Response | 78 Hz |
| Maximum Frequency Response | 4.50 kHz |
| Sensitivity | 95 dB |
| Application/Usage | Indoor/Outdoor |
| Impedance | 8 Ohm |
| RMS Output Power | 225 W |
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Eminence American Standard 8A Speaker - 225 W RMS - 450 W PMPO - 78 Hz to 4.50 kHz - 8 Ohm - 8.24 BETA8A
$92.85