Description

Eminence BETA-15A

The Eminence BETA-15A 15-inch replacement speaker is the perfect solution for keeping your PA system at its best. This 300W, 8 Ohm speaker is built to perform and impress. The ultra-durable pressed steel chassis ensures that your PA will be able to withstand even the most rigorous situations. Whether you’re on the road or setting up at a venue, this speaker will keep your PA sounding great. So if you need a realiable replacement speaker of exceptional sound quality, the Eminence Beta-15A 15″ replacement speaker is the right speaker for you.

The Eminence Beta-15A 15-inch 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.

Eminence recommends the Beta 15A as a replacement speaker for the Nady FWA15 speaker cabinet, and as an alternative to the Eminence Alpha 15A for the Kustom KPC15M & KPC215H, and the Eminence Deltalite II 2515 for the Peavey PR15P speaker cabinets.

Features:

Kapton coil former for increased rigidity and thermal protection
Polyamide-imide coated one-layer, 28ga., aluminum voice coil for lowest possible mass and maximum sensitivity
Ferrite Magnet
Vented core for increased power- handling
Premium pressed steel basket for maximum strength
Paper cone
Rolled cloth cone edge
Solid composition paper dust cap
For all high power bass applications including bass guitar.

Specifications:

Nominal Basket Diameter:*15″, 381mm
Impedance: 4 or 8 ohms*
Power Rating: 300Wrms / 600W Peak
Resonance: 35Hz
Usable Frequency Range: 45Hz – 3.7kHz
Sensitivity: click here for guide
Magnet Weight: 34oz.
Gap Height: 0.312″, 7.94mm
Voice Coil Diameter: 2″, 50.8mm
Mounting information*

Recommended Enclosure Volume: 106 – 177 liters
(vented): 3.75 – 6.25 cu. ft.
Overall Diameter:*15.15″, 384.8mm
Baffle Hole Diameter:**13.77″, 349.6mm
Front Sealing Gasket: fitted as standard
Rear Sealing Gasket:*fitted as standard
Mounting Holes Diameter:*0.25″, 6.4mm
Mounting Holes B.C.D.:*14.56″, 369.9mm
Depth: 6.05″, 153.6mm
Shipping Weight: 11 lbs., 5 kg.
Thiele-Small Parameters*

Resonant Frequency (fs): 35Hz
Impedance (Re): 6.32 ohms
Coil Inductance (Le): 1.10mH
Electromagnetic Q (Qes): 0.63
Mechanical Q (Qms): 8.10
Total Q (Qts): 0.58
Compliance Equivalent Volume (Vas): 334.6 liters 11.82 cu. ft.
Peak Diaphragm Displacement Volume (Vd):* 327cc
Mechanical Compliance of Suspension (Cms): 0.35mm/N
BL Product (BL): 11.5 T-M
Diaphragm Mass inc. Airload (Mms): 60 grams
Equiv. Resistance of Mechanical:
Suspension Loss (Rms): 1.61N*sec/M
Efficiency Bandwidth Product (EBP): 55
Voice Coil Overhang (Xmax): 4.0mm
Surface Area of Cone (Sd): 823.7cm2
Impedance at Resonance (Zmax): 88 ohms
Maximum Mechanical Limit (Xmech): 23.16mm