In the toaster the coils which heat up are dirty or going bad or might have a slight break in it. If you have a 100-watt tube amp, it’s probably going to make more noise than a 15-watt tube amp. Ok, i just got finished installing most of my new system (just have the sub and sub amp to go). It's easy! My amplifier is getting really hot, is that normal? Technically amps get hot. The entire audio system can only be as good as the HiFi amplifier. I thought only the ones with those lamp things on top have them? If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. It really does depend on the transformer, some get REALLY hot by design. If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. Press question mark to learn the rest of the keyboard shortcuts. Its recently started getting really warm where I am from and I noticed that when I really push my amps they get very hot during summer days. It gets very hot, up to the point that the video circuit starts to fail. But here we are–you have a space heater with a 15-amp plug, a 15-amp receptacle, and a branch circuit that can handle 15 or 20 amps. I am not really pushing the sub as the gain is set below half. An amplifier is the device that turns the low voltage signals from your source equipment into a signal with enough gain to be used to power a pair of speakers. They are wired at 4 ohms and the amp is bridged, why is my amp getting hot and sometimes the subs stop playing completely, then i wait for it to cool down and it's fine. Foreword: I get so many questions about amplifiers going into protection (or blowing fuses after remote turn-on voltage is applied) that I've decided to provide a page to help determine if the amplifier is faulty or if a fault in the system is causing a problem. Does the amp go into protection? I just bought an NAD 2155 power amp and connected the two to run as dual mono amps. A general accepted for temperature and electronic component life is that for every 10 degrees C temperature goes up you halve the component life. For a better experience, please enable JavaScript in your browser before proceeding. This was discussed in a Facebook group recently, and I’m copying some comments made that tried to lead the original poster on a wild goose chase. It is the automotive equivalent (because NeoG says car analogies are good) of being surprised that the radiator of a running car is hot. Also, if your amp is designed for high gain settings, it will most definitely make more noise than an amp designed to run cleaner. burn yourself hot). Amp in Protect Mode - Troubleshooting. This is a forum where guitarists, from novice to experienced, can explore the world of guitar through a variety of media and discussion. If the amp sounds fine and your not hearing any pops or clicks I think you're fine. More From Doityourself. If the wire is getting hot then you have fairly high currents running though the wire. If it does, and you're sure it's securely anchored to the panel and the wires are tight, there's probably something wrong with it. And as to different classes of amplification. or worse yet, a burnt resistor. The house is mostly at 20 Celcius. First you need to decide if the wire is getting hot or the connectors (just at the ends). Yes. Amplifiers can operate 20 degrees over ambient temperature, possibly reaching temperatures of 150 degrees Fahrenheit. So as others have pointed out, your capacitor is most likely connected backwards, and you should disconnect it immediately. This flash is normal. New comments cannot be posted and votes cannot be cast. Problem: Amplifier is getting very hot/shutting down. If it feels hot, turn your stereo off, or arrange a flow of air from your car's AC system. and i have 2 questions. Find everything you want to know about car audio and get help and great deals on your car stereo projects. The largest car audio forum community, since 2000. You must be a member in order to leave a comment. In the winter they really just get slightly warm. Is it normal for subwoofer amplifiers to get really hot during normal operation? My question is if it is normal for the amp to get warm on the backside and if I should be worried? There will be a knob that labeled "gain." All transformers are designed to specific insulation codes that determine how hot it can get. If your not burning your fingers your doing it wrong bro, i live in dallas and it is hotter than satans co, Refs: Dipitydoo, appollyon, bad95gt, revrider1, jwh1598, ampjunkielikeme, deathpenalty18, ssackett, snoopysnooper, corey0928, SPLAudio, Clifff150, CL1CKCLACK, ShawnT, West + more. I never turn the amplifier higher than 25%, but the distortion pedal (Boss DS-2) I use is sometimes on 100% with 100% Distortion and 40% tone. I got my system today at circuit city, spent 750 dollars, actualy got a 825 dollar deal cuz they didnt have the light for the subs they were selling, so they gave me an even better one for same price. if the amp is getting extremely hot (feels like its going to burn your fingers off) then i would discontinue use for a while to prevent capacitors melting and exploding, then ruining the amp for good. as for the heat, it sounds normal to me. Anyway I remember my DC3 getting hot even on the front faceplate when I really had it working hard or for a decent amount of time. The heatsink is just doing its job. If you touch the tubes, you will burn yourself. Amp manufacturers can tweak the biasing, that is, amp manufacturers can bias the amp to work more towards the class A side than the class B side. Then again, they may have wanted a good story to tell around the next campfire. Solution: This is normally a result of the gains/input sensitivity being set too high. Press J to jump to the feed. in most cases the amp is hot what amp some ams just get hot, in most cases the amp is hot what amp some ams just get hotwith no air flow of some sort its gonna happen on a hot day. Getting hot is what amplifiers do. Im just wondering if its normal for them to get too hot to touch? Unfortunately, many amplifiers get hot during use, especially if they have any bias into Class A operation. Why is the plug getting hot? For our purposes, we’re going to pay closer attention to Continuous Power, because it indicates how powerful an amplifier is in normal operation. Working with Armored Cable: Dos and Don'ts. Getting hot is what amplifiers do. Only the really high end amplifiers will work in class A mode. My 5-channel amplifier gets hot during summer too. They have never overheated and shut down and i have pushed them hard for extended periods of time. A properly-connected capacitor shouldn't have current flow in a DC circuit, so it should not warm up. In the summer it can get hot, but there is always a quite high level of moist air. Recently I started to play a bit heavier music with lower tones with more distortion and I noticed that the back of the amp gets warm. So i have a somewhat old sherwood 250 x 2 amplifier hooked up to some older JL W3 D4 subs. First thing I do to any tube amp is add a small cooling fan to take off excessive heat. When I bought my electric guitar I already had an acoustic amplifier (Ibanez T30U Troubadour 30W) and I was told that it would be okay to plug the electric into it. A small example: You have just bought the best record player in its class and combine it with excellent speakers. Products. Yes, all amps get quiet hot, particularly tubes. What size wiring are you running? I'm using an ampeg b 25; 50 watt tube amp, I would usually warm it up on standby for about 10 minutes before playing. English is not my first language and I am also not really familiar to Reddit so please say if you don't understand something or if this is the wrong place to ask. But should I use simple audio amplifier or high watt amplifier. Do all amps have tubes? Class A receivers such as this are designed to operate in a very inefficient portion of the amplifier performance curve, and then naturally generate lots of heat. Replace toaster or coil and you should be fine. Flushing Your Car's AC System. and the speakers. What is the difference between audio amplier vs normal amplifier? By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. In some amps, this can result in a burnt fuse. The functions of an amp can be split into two main sections. I would say this isnt normal. 6J4P to EF80 and EF86 Adapter Sets $ 100.00; 6J4P to EF86 Adapter $ 50.00; 6J4P to EF80 Adapter $ 50.00 I live in fla 90 plus degrees most days none of my amps get to hot to touch even playing hard. One thing you can do to help it out, is to run the AC. Adjust the gain and volume controls. My question is if it is normal for the amp to get warm on the backside and if I should be worried? (I mentioned this in another thread a few weeks ago). Keep in mind that a typical multi-channel amp is only about 50-60% efficient. I am always quite afraid that I wil blow up the coil or make something melt inside the amp, because I have heard stories of that kind of stuff happening. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. So I just need to watch out in the summer? There is no load on the amplifier since there is not a complete circuit from the +/hot side of the amplifier's speaker output to the -/ground return as would be the case when a … Other than that when you load to … Check your final impedence, ground, etc. The amps are 1 jl audio slash 150 x2 and the other is a a memphis mcd1100. That's why they have those heat sinks or small fans. Hi, I am looking for some advice regarding my amplifier. I never turn the amplifier higher than 25%, but the distortion pedal (Boss DS-2) I use is sometimes on 100% with 100% Distortion and 40% tone. A friend of mine said that "higher end" receivers all run hot. Most external amplifiers will work in class AB mode. Got 2 round 12" Kickers 800 watts rms in a ported nice box, and i got the amp. I live in the Netherlands so it is quite cold from oktober till march. The amplifier’s power rating (wattage) can impact the noise floor level. class a/b amps just run hot unless they start going into protect then let it be. Also, if your amp is designed for high gain settings, it will most definitely make more noise than an amp designed to run cleaner. The user manual says that it is normal for it to get hot to run as pure class A. I also have a NAD2600 which seems almost as good (although many be a little more round than the Marantz) did definitely ont warm up as much with same output level. With excellent speakers guitar since last summer and I noticed that the amplifier stays very warm after it has off... 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