A fan will help Big time. Apr 6, 2 St. Louis, MO. Create an account or login to comment You must be a member in order to leave a comment Create account Create an account on our community. It's easy! Log in Already have an account?
Log in here. Previous Topic Next Topic. Amplifiers 3. Similar threads Amp noise Problem with amplifier and mids Please help. Latest posts.
Winners only. Latest: marc Today at AM. The Thunderdome! Newest threads R. Another project Started by marc Yesterday at PM Replies: 0. Most posts - Past 30 days Latest classifieds H. Messages: 3, Location: Kitchener, ON. Superampman , Aug 8, Messages: 1, Location: St. Louis MO. Roadrash , Aug 8, Messages: 4, Location: Colorado, Zimbabwe. You can get laser handheld thermometers now for peanuts and that will give you an objective measurement.
There are rules of thumb for acceptable temperatures for healthy AB amplifiers and also Class A amps, which tend to run hotter. Output devices usually have a max temperature rating, and the size of the heatsink is calculated to achieve the proper thermal heat dissipation. If something is wrong then yes, you will need to try to find the cause.
Generally if there is an problem then one channel will run hotter than the other - as an indicator that something is actually wrong. Putterman and Retrovert like this. My DC offset on my Hafler P is about 2. With volume knob halfwayup it fluctuates between 2. I guess its safe to crank. Just very hot! DavidF , Aug 10, Most amplifiers have built-in cooling fans built into their structural framework. These fans activate when the amplifier is turned on. The fans suck out hot air from the amplifier, thus preventing hot air from building up inside the amplifier.
However, it is worth noting that some amplifiers do not have cooling fans. For amplifiers that have cooling fans inside them these amplifiers can overheat when the cooling fans stop working. In relatively closed amplifier units, this leaves the amplifiers unable to ventilate properly. One of the major causes of ventilation issues in amplifiers is the accumulation of dust. This build-up of dust in amplifiers can lead to overheating.
Over time, dust builds up around your amplifier. The accumulation of dust in amplifiers causes the airways to clog up.
This prevents heat that is generated from escaping. Dust also prevents air from circulating inside amplifiers. When these happen, the amplifier cannot cool itself naturally. Yes, it is normal for amplifiers to get hot. When amplifiers are used for an extended period, they are bound to get hot.
Amplifiers can get as hot or even hotter than the outside temperature on sunny days. However, when they get too hot to even touch, that indicates overheating. Traditionally, amplifiers have always been known to be great producers of heat. It is actually normal for amplifier receivers to feel warm when touched.
As long as they do not go into shutdown protective mode, you should have no problems with your amplifiers. An amplifier is considered too hot if its temperature is above F or Also, if the amp is too hot to touch, it is considered too hot.
When you notice that your amp is well over F or simply too hot to even touch, then you should look at ways of reducing the heat. Overheating is the primary disruptor of the performance and reliability of an amplifier. Your amplifier is likely shutting itself off in order to save itself from permanent damage, or even a fire. There are several issues that can cause an amplifier to overheat and power off.
Check the Gain Setting on Your Amplifier. Check Your Wire Gauge and Connections. Clean the connections between your amp and your speakers, along with your battery and your amp, and all your ground wires. Check Your Speakers. Chances are that if the problem is a blown speaker, or if it has to do with a gain setting like we mentioned above, that you would have already noticed the cause of your overheating amplifier.
Installation Notes. Proper airflow and ventilation are very important.
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