The Eminence Beta-12LTA 12" Full-Range/PA Driver is a twin-cone model for full range output in compact PA speaker systems. The addition of the second cone gives extended high frequency response up to a useful 8,000 Hz. Also recommended for extended-range musical instrument systems, such as keyboards or acoustic guitar. Made in the USA. 7-year manufacturer's warranty!
- Kapton coil former
- Polyamide-imide coated copper voice coil
- Ferrite magnet
- Vented pole piece
- Pressed steel basket
- Paper cone
- Cloth accordian surround
- Nominal Basket Diameter: 12", 304.8mm
- Nominal Impedance*: 8 ohms
- Power Rating**
- Watts: 225W
- Music Program: 450W
- Resonance: 45Hz
- Usable Frequency Range: 48Hz - 8kHz
- Sensitivity***: 97.7dB
- Magnet Weight: 38 oz.
- Gap Height: 0.31", 7.92mm
- Voice Coil Diameter: 2", 50.8mm
- THIELE & SMALL PARAMETERS
- Resonant Frequency (fs): 45Hz
- DC Resistance (Re): 7.37
- Coil Inductance (Le): 0.83mH
- Mechanical Q (Qms): 6.44
- Electromagnetic Q (Qes): 0.55
- Total Q (Qts): 0.51
- Compliance Equivalent Volume (Vas): 136.3 liters / 4.8 cu.ft.
- Peak Diaphragm Displacement Volume (Vd): 170cc
- Mechanical Compliance of Suspension (Cms): 0.34mm/N
- BL Product (BL): 11.7 T-M
- Diaphragm Mass Inc. Airload (MMs): 36 grams
- Efficiency Bandwidth Product (EBP): 82
- Maximum Linear Excursion (Xmax): 3.2mm
- Surface Area of Cone (Sd): 532.4 cm2
- Maximum Mechanical Limit (Xlim): 8mm
- MOUNTING INFORMATION
- Recommended Enclosure Volume
- Sealed: 14-51 liters / 0.5-1.8 cu.ft.
- Vented: 56.6-116 liters / 2-4.1 cu.ft.
- Driver Volume Displaced: 122 cu.in. / 2 liters
- Overall Diameter: 12.03", 305.5mm
- Baffle Hole Diameter: 11.07", 281.2mm
- Front Sealing Gasket: Fitted as standard
- Rear Sealing Gasket: Fitted as standard
- Mounting Holes Diameter: 0.25", 6.4mm
- Mounting Holes B.C.D.: 11.59", 294.3mm
- Depth: 4.47", 114mm
- Net Weight: 8.1 lbs, 3.7 kg
- Shipping Weight: 10.2 lbs, 4.6 kgs
- 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
- Dust Cap Composition: Solid composition paper dust cap
Because Performance Audio is an authorized Eminence reseller, you have full access to Eminence's amazing seven-year warranty. All Genuine Eminence loudspeakers are supported by a 7-year warranty against any manufacturer's defect in the continental United States. Please feel free to contact us for warranty and service information. Visit http://www.eminence.com/support/warranty/ for more information about this great warranty.
| Part Number
| Product Category
|| Speaker Drivers & Parts
| Unit of Measure
| Shipping Weight
|| 10.20 lbs.
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