Kappa 80W.DVC - Subwoofer INFINITY - Free user manual and instructions
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| Product Type | Subwoofer |
| Brand | Infinity |
| Model | Kappa 80W.DVC |
| Speaker Size | 8 inches (203 mm) |
| Configuration | Dual Voice Coil (DVC) |
| Peak Power Handling | 1200 Watts |
| RMS Power Handling | 300 Watts |
| Frequency Response | 28 Hz - 500 Hz |
| Sensitivity (2.83V/1m) | 89 dB |
| Nominal Impedance | Dual 4 Ohms |
| Voice Coil Diameter | 2 inches (51 mm) |
| Magnet Type | High-flux ferrite |
| Cone Material | Polypropylene |
| Surround Material | Rubber |
| Basket Type | Stamped steel |
| Mounting Depth | 4.75 inches (121 mm) |
| Cutout Diameter | 7.06 inches (179 mm) |
| Overall Diameter | 8.3 inches (211 mm) |
| Recommended Sealed Box Volume | 0.6 cu ft (17 L) |
| Recommended Ported Box Volume | 1.0 cu ft (28 L) |
| Net Weight | 9 lbs (4.1 kg) |
| Recommended Amplifier Power | 150-600 Watts RMS |
| Cleaning and Maintenance | Clean with a dry cloth; do not use water or solvents. |
| Safety Precautions | Turn off amplifier before connecting; handle with care to avoid damage to the cone. |
| Spare Parts and Repair | Contact authorized service center for cone/coil replacement; not user-serviceable. |
Frequently Asked Questions - Kappa 80W.DVC INFINITY
What is the difference between a DVC and a SVC subwoofer?
A DVC (Dual Voice Coil) subwoofer has two voice coils, allowing more flexible wiring options. You can wire it for different impedance loads (e.g., 2 or 8 ohms) to match your amplifier, whereas a SVC (Single Voice Coil) subwoofer has only one coil and fixed impedance.
How should I wire the dual voice coils?
You can wire the two coils in parallel, series, or each coil to a separate amplifier channel. For a dual 4-ohm sub, parallel wiring gives a 2-ohm load, series wiring gives an 8-ohm load. Choose based on your amplifier's stability and recommended load.
What is the recommended enclosure size?
For the Kappa 80W.DVC, a sealed enclosure of 0.6 cu ft (17 L) is recommended, or a ported enclosure of 1.0 cu ft (28 L) with a port tuned around 35 Hz. Always verify the actual specs in the manual and measure your available space.
How do I break in the subwoofer?
To break in the subwoofer, play it for about 20-30 hours at moderate volume (50% power) with a variety of music. This allows the suspension to loosen and the speaker to reach its optimal performance. Avoid heavy bass during the initial period.
Can I use this subwoofer in a sealed enclosure?
Yes, the Kappa 80W.DVC works well in sealed enclosures. It offers tight, accurate bass and requires less space than a ported box. A sealed box of 0.6 cu ft is ideal for music that demands punch and precision.
How do I set the gain on my amplifier?
Set the gain using a Digital Multimeter or by ear. Start with the gain knob at minimum, play a 50 Hz sine test tone, then gradually increase the gain until the desired output without distortion. Match the amplifier's output voltage to the subwoofer's RMS rating.
How do I clean the subwoofer?
Use a soft dry cloth to wipe the cone and surround. Do not use water, solvents, or compressed air, as they can damage the speaker components. For the basket, a slightly damp cloth is safe, but keep it away from electrical terminals.
What is the RMS power handling?
The RMS power handling is 300 Watts, meaning it can handle 300 Watts of continuous power. The peak power handling is 1200 Watts for short transients. Match your amplifier's RMS output to the sub's rating to avoid damage.
How do I ensure safety during installation?
Always disconnect the negative battery terminal before working on the car audio system. Check wire routing to avoid sharp edges and heat sources. Use the correct gauge of wire and ensure proper fuse protection near the battery. After installation, double-check all connections before powering on.
Is the subwoofer repairable if damaged?
Yes, a blown subwoofer can often be repaired by a professional service center. They can replace the voice coil, cone, or surround. However, amateur repairs may further damage the unit. Contact the manufacturer's authorized service for genuine spare parts.
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USER MANUAL Kappa 80W.DVC INFINITY
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Product information
Brand : INFINITY
Model : Kappa 80W.DVC
Category : Subwoofer