FM-F77RB - Loudspeaker Fusion - Free user manual and instructions
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| Product Type | 2-Way Marine Loudspeaker |
| Brand | Fusion |
| Model | FM-F77RB |
| Speaker Size | 7.7 inches (195 mm) |
| Woofer Material | Polypropylene cone with UV-treated rubber surround |
| Tweeter Material | 1-inch silk dome tweeter |
| Frequency Response | 50 Hz - 20 kHz |
| Sensitivity | 90 dB (1W/1m) |
| Nominal Impedance | 4 ohms |
| Power Handling (RMS) | 75 Watts |
| Power Handling (Peak) | 150 Watts |
| Recommended Amplifier Power | 25 - 150 Watts per channel |
| Mounting Type | Flush mount (round) |
| Cutout Diameter | 165 mm |
| Mounting Depth | 92 mm |
| Outer Diameter | 205 mm (grille) |
| Weight | 1.1 kg per speaker |
| Water Resistance | IP65 rating (waterproof and dustproof) |
| Operating Temperature | -20°C to +60°C |
| Cleaning | Wipe with a soft, damp cloth. Do not use harsh chemicals or solvents. |
| Safety | Ensure speaker is securely mounted to avoid vibration and damage. |
| Spare Parts | No user-serviceable parts inside. Contact authorized service for repair. |
| Installation Location | Suitable for marine environments, withstands UV exposure. |
Frequently Asked Questions - FM-F77RB Fusion
How do I install the FM-F77RB speaker?
To install the Fusion FM-F77RB, mark and cut a 165 mm diameter hole. Insert the speaker and secure it with the provided screws. Ensure the mounting surface is clean and dry for optimal waterproof protection.
What is the recommended amplifier power for this speaker?
The recommended amplifier power is 25 to 150 Watts per channel. This range ensures clear audio while preventing overdriving the speaker and causing distortion or damage.
Can I use this speaker in a marine environment?
Yes, the FM-F77RB is a marine loudspeaker with an IP65 water resistance rating. It is designed to withstand moisture, UV rays, and temperature changes commonly found on boats.
How do I clean and maintain the speaker?
Clean the speaker with a soft, damp cloth to remove salt residue or dirt. Do not use abrasives, alcohol, or strong solvents as they may damage the grille and cone materials.
What should I do if there is no sound from the speaker?
First, check the amplifier and source connections. Ensure the impedance is correctly matched (4 ohms) and that the speaker is not shorting. Verify the amplifier is not muted and the volume is adjusted properly.
What is the impedance of the speaker?
The FM-F77RB has a nominal impedance of 4 ohms. This matches most marine and car audio amplifiers, ensuring efficient power transfer.
Can I use this speaker with my existing car stereo?
Yes, if your car amplifier or stereo can handle a 4-ohm load and deliver up to 75 Watts RMS per channel, the FM-F77RB will work well. Many aftermarket stereos are compatible.
How to protect the speaker from weather damage?
The speaker has a UV-treated rubber surround and an IP65 rating. Correct installation with a proper seal and regular cleaning will maintain its weatherproofing and prevent corrosion.
What are the dimensions and cutout requirements?
The outer diameter is 205 mm, with a cutout diameter of 165 mm and a mounting depth of 92 mm. Always verify clearance behind the mounting surface before installation.
Is the speaker covered by warranty?
Yes, Fusion offers a limited warranty for marine speakers. Refer to the included warranty card or contact Fusion support. The warranty covers defects in materials and workmanship under normal use.
User questions about FM-F77RB Fusion
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USER MANUAL FM-F77RB Fusion
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Product information
Brand : Fusion
Model : FM-F77RB
Category : Loudspeaker