Eminence Professional KAPPA PRO-15B 15" 500W PA Replacement Speaker
- 15" low frequency driver
- 500W power rating
- 100dB sensitivity
- Enhanced low frequency
- Recommended for professional audio in a vented mid-bass or bass enclosure
Each Eminence Professional model can be identified by its cast aluminum Eminence chassis that is lightweight and strong. Aluminum does not conduct the magnetic field out of the gap, thereby making the motor strength higher and the stray magnetic field lower. Each chassis and all metal components are coated with an epoxy-acrylic finish using an in-house e-coat process. The thickness of that coating can be controlled to within 0.001"; critical when working with close tolerance transducer motor designs. Then front and rear sealing gaskets are added on each model to accommodate front or rear loading.
There are 26 unique models available in the Professional series. Each was designed with a specific application in mind. From heavy-duty subwoofers, low distortion woofers, and super high-power woofers to lightweight neodymium transducers in truncated frames for line arrays, there is an Eminence Professional model for your application. Each product includes a lot of Made in the USA pride.
- Nominal Basket Diameter 15"
- Nominal Impedance* 16 Ω Power Rating*
- *Watts 500 W
- Music Program 1000 W
- Resonance 47 Hz
- Usable Frequency Range 47 Hz - 4 kHz
- Sensitivity*** 100 dB
- Magnet Weight 80 oz.
- Gap Height 0.375", 9.5 mm
- Voice Coil Diameter 3", 76 mm
THIELE & SMALL PARAMETERS
- Resonant Frequency (fs) 47 HzDC
- Resistance (Re) 10.47 ?
- Coil Inductance (Le) 1.59m H
- Mechanical Q (Qms) 13.97
- Electromagnetic Q (Qes) 0.39
- Total Q (Qts) 0.38
- Compliance Equivalent Volume (Vas) 155.67 liters / 5.5 cu.ft.
- Peak Diaphragm Displacement Volume (Vd) 340.4 cc
- Mechanical Compliance of Suspension (Cms) 0.15 mm/NBL Product (BL) 24.2 T-M
- Diaphragm Mass Inc. Airload (MMs) 74 grams
- Efficiency Bandwidth Product (EBP) 120
- Maximum Linear Excursion (Xmax) 3.9 mm
- Surface Area of Cone (Sd) 864.6 cm2
- Maximum Mechanical Limit (Xlim) 13.2 mm
Recommended Enclosure Volume
- Sealed 0-0 liters / 0-0 cu.ft.
- Vented 50.97-110.44 liters / 1.8-3.9 cu.ft.
- Driver Volume Displaced 0.138 cu.ft. / 3.92 liters
- Overall Diameter 15.32"
- Baffle Hole Diameter 14"
- Front Sealing Gasket Yes
- Rear Sealing Gasket Yes
- Mounting Holes Diameter 0.28"
- Mounting Holes B.C.D. 14.56"
- Depth 6.06", 153.9 mm
- Net Weight 16.9 lbs
- Shipping Weight 19.5 lbs
MATERIALS OF CONSTRUCTION
- Coil Construction: Copper voice coil
- Coil Former: Kapton former
- Magnet Composition: Ferrite magnet
- Core Details: Vented core
- Basket Materials: Die-cast aluminum basket
- Cone Composition: Paper cone
- Cone Edge Composition: Cloth cone edge
- Dust Cap Composition: Solid composition paper dust cap
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