Eminence's Beta-15A 15" speaker is recommended for professional audio as a woofer in sealed and vented enclosures. The Beta-15A is also useful for bass guitar speaker systems and combo amps. Made in the USA. 7-year manufacturer's warranty!
Features
- Kapton coil former
- Polyamide-imide coated copper voice coil
- Ferrite magnet
- Vented and pole piece
- Pressed steel basket
- Paper cone
- Cloth accordian surround
Specifications
- Nominal Diameter15"
- Power Handling (RMS)300 Watts
- Power Handling (max)600 Watts
- Impedance8 ohms
- Frequency Response45 to 3,700 Hz
- Sensitivity98.2 dB 1W/1m
- Voice Coil Diameter2"
- Magnet Weight34 oz.
Thiele-Small Parameters
- Resonant Frequency (Fs)35 Hz
- DC Resistance (Re)6.32 ohms
- Voice Coil Inductance (Le)1.10 mH
- Mechanical Q (Qms)8.10
- Electromagnetic Q (Qes)0.63
- Total Q (Qts)0.58
- Compliance Equivalent Volume (Vas)11.82 ft.³
- Mechanical Compliance of Suspension (Cms)0.35 mm/N
- BL Product (BL)11.5 Tm
- Diaphragm Mass Inc. Airload (Mms)60g
- Maximum Linear Excursion (Xmax)4 mm
- Surface Area of Cone (Sd)823.7 cm²
Materials of Construction
- Cone MaterialPaper
- Surround MaterialCloth
- Voice Coil Wire MaterialCopper
- Voice Coil FormerKapton® / Polyimide
- Basket / Frame MaterialSteel
- Magnet MaterialFerrite
Mounting Information
- Overall Outside Diameter15.15"
- Baffle Cutout Diameter13.77"
- Depth6.05"
- # Mounting Holes8
Optimum Cabinet Size (determined using BassBox 6 Pro High Fidelity suggestion)
- Sealed Volume8.3 ft.³
- Sealed F354 Hz
- Vented Volume24.78 ft.³
- Vented F327 Hz
