15-PRX8D4 - Subwoofer Memphis Audio - Free user manual and instructions
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| Product Type | Subwoofer |
| Brand | Memphis Audio |
| Model | 15-PRX8D4 |
| Speaker Size | 15 inches (38 cm) |
| Voice Coil Configuration | Dual 4 Ohms |
| Power Handling (RMS) | 800 Watts |
| Peak Power Handling | 1600 Watts |
| Frequency Response | 25 Hz - 200 Hz |
| Sensitivity | 86 dB (1W/1m) |
| Impedance | Dual 4 Ohms (wired to 2 or 8 Ohms) |
| Cone Material | Pressed paper with poly foam surround |
| Magnet Weight | 80 oz (approximately 2.3 kg) |
| Mounting Depth | 7.5 inches |
| Cutout Diameter | 13.75 inches |
| Recommended Sealed Enclosure Volume | 1.2 cubic feet |
| Recommended Ported Enclosure Volume | 2.0 cubic feet |
| Recommended Amplifier Power | 400 - 1200 Watts RMS |
| Product Construction | Heavy-duty steel basket, double stack magnet |
| Cleaning Instructions | Wipe with a dry cloth, avoid moisture and water |
| Safety Instructions | Ensure proper wiring, do not exceed power rating, secure mounting |
| Maintenance | Check mounting screws periodically, keep the area ventilated |
| Reparability | Serviceable parts include cone, spider, and voice coil; contact authorized Memphis Audio service center |
| General Information | Designed for car audio systems, works in sealed or ported enclosures |
Frequently Asked Questions - 15-PRX8D4 Memphis Audio
What is the impedance of the Memphis Audio 15-PRX8D4?
The 15-PRX8D4 has dual 4-ohm voice coils, which can be wired in parallel to present a 2-ohm load, or in series to present an 8-ohm load. This provides flexibility when matching your amplifier.
What amplifier power is recommended for this subwoofer?
For optimal performance, feed the subwoofer with an amplifier delivering 400 to 1200 Watts RMS at the chosen impedance. Make sure the amplifier's RMS output is not lower than 400W to avoid underpowering, or higher than 1200W to prevent damage.
What enclosure type and volume is recommended?
For a sealed enclosure, use a volume of 1.2 cubic feet. For a ported enclosure, use 2.0 cubic feet with a tuning frequency around 35 Hz. Both will deliver excellent bass response.
How do I wire the dual voice coils?
Wire the two voice coils in parallel for a 2-ohm load (connect both positive terminals together, both negative together) or in series for an 8-ohm load (connect coil 1 positive to amplifier, negative to coil 2 positive, coil 2 negative to amplifier). Always match the load to your amplifier's specifications.
What is the frequency response of this subwoofer?
The frequency response is 25 Hz to 200 Hz. This range is ideal for reproducing deep, low-frequency bass notes with clarity and impact, making it suitable for most music genres and home theater applications.
How do I break in the subwoofer?
Break-in is recommended to soften the suspension. Play the subwoofer at moderate volume (about 50% power) for 10-20 hours with varied music. Avoid extreme excursion during the break-in period to ensure optimal performance and longevity.
What maintenance does the subwoofer require?
Keep the subwoofer dry and dust-free. Use a soft, dry cloth to wipe the cone and surround gently. Periodically check that mounting screws are tight and ensure adequate ventilation to prevent overheating. Avoid exposing it to direct sunlight or moisture.
Can I use this subwoofer in a home theater system?
Yes, the 15-PRX8D4 can be used in a home theater if placed in a properly sized enclosure and powered by a compatible amplifier. Its 2-ohm or 8-ohm impedance requires an amplifier rated for those loads. Keep it away from walls for optimal bass response.
What are the mounting dimensions?
The subwoofer has a mounting depth of 7.5 inches and a cutout diameter of 13.75 inches. Ensure your enclosure has at least 1 inch of clearance behind the magnet for ventilation and easy installation.
Is there a warranty for this subwoofer?
Memphis Audio typically offers a limited warranty against defects in material and workmanship. The exact duration varies by region and seller. Always keep your purchase receipt and register the product if required to activate the warranty.
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USER MANUAL 15-PRX8D4 Memphis Audio
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Product information
Brand : Memphis Audio
Model : 15-PRX8D4
Category : Subwoofer