1. Dirt, dust, and other debris can accumulate on an amplifier's exterior, which can obstruct ventilation and cause overheating. Overheating can damage components, so it's essential to regularly clean your amplifier to ensure that it operates efficiently and stays cool. Pay special attention to vent grilles.
  2. Since amplifiers generate heat as they operate, proper ventilation is crucial to prevent overheating. So, in addition to keeping the case dust free, make sure your amplifier is placed in a well-ventilated area, away from other electronic devices that generate heat. If necessary, use an extra fan to add airflow and if possible, keep the amp in a cool area – but not freezing. Extreme temperatures and amplifiers aren’t friends.
  3. We’re talking mainly about power up here. Before you power up an amp, turn it down to avoid damaging spikes. In addition, make sure you’re powering gear up in the right sequence.
  4. Using the wrong cables or connectors can cause noise and interference, which can degrade sound quality. Therefore, it's essential to use high-quality cables and connectors that are compatible with your amplifier. Finally, make sure cables are properly connected with no loose connections. After all, shoddy connections are noisy.
  5. A good power amplifier can last a long while, as long as it’s maintained. To reiterate, protect it from elements and rough handling, keep it clean, replace replaceable parts, and use good power and cables. Do all that and you should be good to go for a long time.