How to troubleshoot Power LED not ‘ON’ on Fusion FUS-MS-AM504?
If the Power LED on your Fusion Amplifier is not turning on, there could be a couple of reasons: * A blown or missing fuse: Replace it with the correct type and rated fuse. * Improper connections: Ensure the ground wire, power wire, and remote wires are correctly connected to the appropriate terminals.
How to troubleshoot a Fusion Amplifiers with Power LED not ‘ON’?
If the Power LED on your Fusion Amplifier is not turning on, it could be due to a blown or missing fuse at the battery. Replace the fuse with the correct type and rated fuse. Another potential cause is improper connections. Make sure that the ground wire, power wire, and remote wires are connected to the correct terminal.
What to do if the Fusion FUS-MS-AM504 power LED is not on?
If the power LED on your Fusion Amplifier isn't lit, the issue might stem from a blown or missing fuse, or incorrect wiring. First, replace the fuse with the correct type and rating. Next, ensure the ground, power, and remote wires are securely connected to their designated terminals.
Why is the status LED on my Fusion FUS-MS-AM504 Amplifier on?
A lit status LED on your Fusion Amplifier indicates a problem. Here's what might be happening and how to address it: 1. **Blown Fuse:** Replace the fuse with the correct type and rating. 2. **Overheating:** Move the amplifier to a location with better ventilation. 3. **Shorted Speaker Wires:** Check all speaker wires to ensure they aren't shorted to each other or grounded. 4. **Internal Malfunction:** Disconnect all wires except the ground, power, and remote. If the protection light remains on, the unit requires professional servicing.
What to do if the Status LED is 'ON' on Fusion FUS-MS-AM504?
If the Status LED on your Fusion Amplifier is 'ON', it could be due to several reasons: 1. A blown fuse: Replace it with the correct type and rated fuse. 2. Overheating: Move the amplifier to a more ventilated area. 3. Shorted speaker wires: Ensure no speaker wires are shorted to each other or to the ground. 4. Internal malfunction: Disconnect all wires except ground, power, and remote. If the protection light remains on, return the amplifier for service.
What to do if the Status LED is ON on my Fusion Amplifiers?
If the Status LED on your Fusion Amplifier is ON, several issues could be the cause. First, a fuse may have blown, and you should replace it with the correct type and rated fuse. Second, the amplifier might be overheating, so try moving it to a more ventilated area. Third, there may be shorted speaker wires; ensure that no speaker wires are shorted to any other wire or to ground. Finally, an internal malfunction could be the problem. To check, disconnect all wires except ground, power, and remote, and turn the amplifier on. If the protection light remains on, return it for service.
The Fusion MS-AM504 is a marine amplifier designed to provide powerful and clean audio amplification in a marine environment. This 4-channel amplifier is engineered with features that ensure durability, performance, and ease of integration into various marine audio systems.
The primary function of the MS-AM504 is to amplify audio signals from a head unit or other audio source and deliver them to speakers. It is a Class-AB amplifier, which means it combines the efficiency of Class-B amplifiers with the linearity of Class-A amplifiers, resulting in a balance of power and sound quality. The amplifier boasts a 2-Ohm stable MOSFET design, allowing it to drive multiple speakers per channel effectively. Specifically, it can connect an extra pair of speakers in parallel, accommodating up to two speakers per channel at 2-Ohms, for a total of eight speakers in a stereo configuration. This flexibility makes it suitable for various speaker setups on a boat.
The amplifier includes variable electronic crossovers for both low-pass (LP) and high-pass (HP) filtering. The low-pass filter, adjustable from 40Hz to 160Hz at 18dB/octave, is ideal for subwoofers, ensuring that only low frequencies are sent to them, preventing damage from higher frequencies. Conversely, the high-pass filter, adjustable from 40Hz to 600Hz at 18dB/octave, is used for full-range speakers, particularly those smaller than 6 inches, to block damaging low bass frequencies. A crossover selector allows users to choose between OFF, LP, and HP modes, providing precise control over the frequency range delivered to the speakers.
A variable bass boost control, ranging from 0 to +18dB at 45Hz, allows users to enhance the low-frequency output, adding depth and impact to the audio. Additionally, a variable subsonic filter, adjustable from 20Hz to 55Hz at 18dB/octave, helps protect subwoofers by filtering out extremely low, inaudible frequencies that can cause damage.
The MS-AM504 features nickel-plated RCA input and output connections, ensuring optimal signal flow and resistance to corrosion, which is crucial in a marine environment. The RCA output is a pass-through, summed output, enabling the linking of multiple amplifiers for more complex and powerful audio systems.
Installation and setup of the MS-AM504 are designed to be straightforward, though careful attention to detail is required for optimal performance and longevity. The amplifier requires 4-gauge power and ground connections, which are robust enough to handle the power demands. The power connection should be wired directly to the battery via an inline fuse or circuit breaker, while the ground connection should be secured to a suitable ground point. The remote turn-on terminal connects to a switched +12V source, typically from the head unit, to power the amplifier on and off automatically with the audio system.
The amplifier's input level control (gain) is critical for matching the amplifier's input sensitivity to the head unit's output level. Proper adjustment involves setting the amplifier's level to minimum, the head unit to 3/4 volume with bass and treble at zero, and then slowly increasing the amplifier's level until the desired volume is achieved without distortion. This process prevents speaker damage and ensures clean audio.
The MS-AM504 supports various channel configurations:
The amplifier includes power and status LEDs that provide visual feedback on its operational status. A green light indicates correct power-up, while a red light signals a fault, such as overheating or a short circuit. This diagnostic feature helps in troubleshooting potential issues.
The MS-AM504 is built with marine-grade components and construction to withstand the harsh marine environment.
Overall, the Fusion MS-AM504 marine amplifier is a robust, feature-rich device designed for high-quality audio amplification in marine settings, offering both performance and durability through its specialized construction and protective features.
General| Channels | 4 |
|---|---|
| RMS Power (4 Ohms) | 50W x 4 |
| RMS Power (2 Ohms) | 75W x 4 |
| Bridged RMS Power (4 Ohms) | 150W x 2 |
| Signal to Noise Ratio | >90dB |
| THD at Rated Power | <0.05% |
| Cooling | Convection |
| Input Impedance | 10k Ohms |
| Weight | 1.9kg (4.2lb) |
To Next Page