SGR-8W7-ROD-RP - Subwoofer JL Audio - Free user manual and instructions
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| Product Type | Subwoofer Driver |
| Size | 8 inches |
| RMS Power Handling | 750 Watts |
| Peak Power Handling | 1500 Watts |
| Impedance | Dual 4-Ohm (configurable to 2 or 8 Ohm) |
| Frequency Response | 22 Hz – 250 Hz |
| Sensitivity | 84.5 dB @ 1W/1m |
| Voice Coil Diameter | 3 inches |
| Mounting Depth | 6.06 inches (154 mm) |
| Cutout Diameter | 7.25 inches (184 mm) |
| Sealed Enclosure Volume (recommended) | 0.625 cubic feet (17.7 L) |
| Ported Enclosure Volume (recommended) | 1.25 cubic feet (35.4 L) |
| Motor Structure | Floating Cone Attach Method (FCAM) |
| Cone Material | Woven Glass Fiber Composite |
| Surround Material | Progressive Roll Foam |
| Spider Design | Flat Elevated Spider with Cooling |
| Net Weight | 16.5 lbs (7.5 kg) |
| Maintenance and Cleaning | Wipe with dry cloth; do not use solvents. Keep cone and surround free of dust. |
| Safety Cautions | Ensure amplifier output does not exceed subwoofer RMS rating. Use proper enclosure volume to avoid over-excursion. |
| Spare Parts and Repairability | Contact JL Audio authorized service centers for recone or voice coil replacement. |
| General Information | High-performance subwoofer for car audio systems. Break-in period recommended: 20 hours at moderate level. |
Frequently Asked Questions - SGR-8W7-ROD-RP JL Audio
What is the recommended enclosure for the SGR-8W7-ROD-RP?
For sealed enclosures, use 0.625 ft³ (17.7 L). For ported, use 1.25 ft³ (35.4 L) with a tuning frequency of 32 Hz.
What is the power handling of this subwoofer?
The RMS power handling is 750 Watts and peak power handling is 1500 Watts.
What impedances can I wire to?
The dual 4-ohm voice coils can be wired in series for 8 ohms or parallel for 2 ohms.
What is the mounting depth and cutout size?
Mounting depth is 6.06 inches (154 mm) and cutout diameter is 7.25 inches (184 mm).
Is there a break-in period?
Yes, JL Audio recommends a 20-hour break-in period at moderate listening levels to fully loosen the suspension.
Can I use this subwoofer in a sealed box?
Absolutely. The recommended sealed box volume is 0.625 ft³. It will provide tight, accurate bass.
What is the frequency response?
The frequency response is 22 Hz – 250 Hz (±3 dB), making it suitable for deep bass.
How do I clean the subwoofer?
Use a dry soft cloth to wipe the cone and surround. Avoid liquids or chemicals that may damage the materials.
Where can I get it repaired?
Contact an authorized JL Audio service center for recone or voice coil repairs. Do not attempt DIY repairs.
Does the SGR-8W7-ROD-RP come with a warranty?
Yes, JL Audio offers a 2-year limited warranty from the date of purchase. Retain your receipt.
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USER MANUAL SGR-8W7-ROD-RP JL Audio
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Product information
Brand : JL Audio
Model : SGR-8W7-ROD-RP
Category : Subwoofer