My question is if it is normal for the amp to get warm on the backside and if I should be worried? Most external amplifiers will work in class AB mode. It's definitely too uncomfortable to touch. Run a 12volt fan on it, I did the same on my Memphis St Series amps, I live south Florida and it's hot everyday. Products. 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. Keep in mind that a typical multi-channel amp is only about 50-60% efficient. Do all amps have tubes? Adjust the gain and volume controls. and i have 2 questions. With a pair of MMG Magnepan speakers the amps sound great. If you want to get the best sound out of your acoustic guitar, here's why you should consider an acoustic amp. Is that true? Amplifiers can operate 20 degrees over ambient temperature, possibly reaching temperatures of 150 degrees Fahrenheit. I would like that if the amp hasn't shut down, then its operating temperature is fine. Find everything you want to know about car audio and get help and great deals on your car stereo projects. Problem: Amplifier is getting very hot/shutting down. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. If you have a 100-watt tube amp, it’s probably going to make more noise than a 15-watt tube amp. I want to make a 4g booster for my home including an outdoor antenna, an indoor antenna and an amplifier. In the winter they really just get slightly warm. JavaScript is disabled. 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. (I mentioned this in another thread a few weeks ago). Ok, i just got finished installing most of my new system (just have the sub and sub amp to go). burn yourself hot). Then again, they may have wanted a good story to tell around the next campfire. i've seen amps overheat and shut down in hot climates in the summer. 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. I’ll assume it was unintentional, and that the people responding were genuinely trying to help. I think in the Jl's manual it even recommends a 8 gauge. And as to different classes of amplification. Getting hot is what amplifiers do. 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. Your unit is heating to the point that the amplifier is operating in another region of its performance curve, causing the distortion. It’s normal for vacuum tube amplifiers to get hot. or worse yet, a burnt resistor. Hot cord means high resistance which makes unit over amp. It really does depend on the transformer, some get REALLY hot by design. Since the power amp is idling even though the volume control is at "0" you've pushed the circuits beyond their limits. By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. 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. In the winter they really just get slightly warm. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. Sure, amplifiers can get warm, but not to the point where you cannot keep your hand on top of it. I have experimented a bit to see how fast it gets warm and it takes about 5 min. It gets very hot, up to the point that the video circuit starts to fail. The heatsink is just doing its job. This flash is normal. So i have a somewhat old sherwood 250 x 2 amplifier hooked up to some older JL W3 D4 subs. It is the automotive equivalent (because NeoG says car analogies are good) of being surprised that the radiator of a running car is hot. 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. Now let’s dig into why that might be. On Vac The motor is wearing out making it over amp so sweeper is near the end of its life. and the speakers. all my power and grounds are the same gauge. Yes, all amps get quiet hot, particularly tubes. That's why they have those heat sinks or small fans. You must be a member in order to leave a comment. I am not really pushing the sub as the gain is set below half. 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. 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. In the toaster the coils which heat up are dirty or going bad or might have a slight break in it. My question is if it is normal for the amp to get warm on the backside and if I should be worried? Press J to jump to the feed. 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. My amplifier is getting really hot, is that normal? Got 2 round 12" Kickers 800 watts rms in a ported nice box, and i got the amp. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. I live in the Netherlands so it is quite cold from oktober till march. as for the heat, it sounds normal to me. 6J4P to EF80 and EF86 Adapter Sets $ 100.00; 6J4P to EF86 Adapter $ 50.00; 6J4P to EF80 Adapter $ 50.00 When installing your car's amplifier, place it where you will be able to check your amplifier's heat. 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. And the back side of my amp would definitely get very hot (ie. P.S. 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. Advanced Forum Stats, Paid Registrations by. Keep in mind that a typical multi-channel amp is only about 50-60% efficient. I figured it might be normal because like the other person said it is the heat sink so of course its gonna be hot if it's doing it's job. Only the really high end amplifiers will work in class A mode. The amplifier is the link between the audio source (iPod, CD player, record player etc.) I have owned an NAD 3155 integrated for some 22 years or so. class a/b amps just run hot unless they start going into protect then let it be. A fan will help Big time. I also noticed that the amplifier stays very warm after it has been off for a while (12 hours or so). Heat is the main enemy of consumer electronics. The amplifier’s power rating (wattage) can impact the noise floor level. The largest car audio forum community, since 2000. Create an account on our community. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. For a better experience, please enable JavaScript in your browser before proceeding. Still, it is noticeably, radiantly, warm to the touch, but not hot. 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. A friend of mine said that "higher end" receivers all run hot. try to not play music too loud, or have your subs "bump" too much. In some amps, this can result in a burnt fuse. 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. Unfortunately, many amplifiers get hot during use, especially if they have any bias into Class A operation. I have cooked eggs on a few amps before.....clipping FTMFW! If the amp sounds fine and your not hearing any pops or clicks I think you're fine. An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude of a signal applied to its input terminals, producing a proportionally greater amplitude signal at its output. all my power and grounds are the same gauge. It's normal for a breaker to feel warm when current is passing through it, but it should never feel hot. I live in fla 90 plus degrees most days none of my amps get to hot to touch even playing hard. Sorry for stupid english. It is the automotive equivalent (because NeoG says car analogies are good) of being surprised that the radiator of a running car is hot. Working with Armored Cable: Dos and Don'ts. edit: I decided to remove my trolling as to not be thrown in with the trolls. If its normal for the heat, it ’ s power rating ( wattage can! 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