is it normal for an amplifier to get hot

I thought only the ones with those lamp things on top have them? I am running 8 gauge Rockford wires right now I know I need to upgrade the Memphis to a 4. It's easy! It gets very hot, up to the point that the video circuit starts to fail. Heat on the booster does not reflect poor performance and your booster should still maintain functionality. By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. Advanced Forum Stats, Paid Registrations by. My question is if it is normal for the amp to get warm on the backside and if I should be worried? burn yourself hot). But should I use simple audio amplifier or high watt amplifier. Also, if your amp is designed for high gain settings, it will most definitely make more noise than an amp designed to run cleaner. This flash is normal. And the back side of my amp would definitely get very hot (ie. The house is mostly at 20 Celcius. BTW, that area on the amp that you highlighted in red is expected 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. Unfortunately, many amplifiers get hot during use, especially if they have any bias into Class A operation. If you have a 100-watt tube amp, it’s probably going to make more noise than a 15-watt tube amp. Also, if your amp is designed for high gain settings, it will most definitely make more noise than an amp designed to run cleaner. For our purposes, we’re going to pay closer attention to Continuous Power, because it indicates how powerful an amplifier is in normal operation. My question is if it is normal for the amp to get warm on the backside and if I should be worried? The amplifier’s power rating (wattage) can impact the noise floor level. Adjust the gain and volume controls. Yes, all amps get quiet hot, particularly tubes. So as others have pointed out, your capacitor is most likely connected backwards, and you should disconnect it immediately. Im just wondering if its normal for them to get too hot to touch? It once shut down when I tried to run my car stereo loud for an outdoor party on a hot day. This is a forum where guitarists, from novice to experienced, can explore the world of guitar through a variety of media and discussion. First thing I do to any tube amp is add a small cooling fan to take off excessive heat. Find everything you want to know about car audio and get help and great deals on your car stereo projects. There will be a knob that labeled "gain." If you touch the tubes, you will burn yourself. For a better experience, please enable JavaScript in your browser before proceeding. 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. 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. One in particular – a Classé CA-5200 – has another issue. Only the really high end amplifiers will work in class A mode. 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. Keep in mind that a typical multi-channel amp is only about 50-60% efficient. it all depends on how you have your settings, but generally, amps do get hot after extensive use. If you have guitar related questions, use the "Search" field or ask the community. Hi, I am looking for some advice regarding my amplifier. I have started to play electric guitar since last summer and I have been playing acoustic before that. Front Stage - 2 Alphard mx60 mids- 2 Alphard mx80 mids - 4 Hertz ST25's, Wiring/Electrical - 4/0awg weld, JY 79.8Ah lithium, 290&370 hair JS Alternator. Why is the plug getting hot? all my power and grounds are the same gauge. It gets warm. Now let’s dig into why that might be. 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. In the toaster the coils which heat up are dirty or going bad or might have a slight break in it. So i have a somewhat old sherwood 250 x 2 amplifier hooked up to some older JL W3 D4 subs. 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. 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. Sure, amplifiers can get warm, but not to the point where you cannot keep your hand on top of it. Amplifiers can operate 20 degrees over ambient temperature, possibly reaching temperatures of 150 degrees Fahrenheit. 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. It's definitely too uncomfortable to touch. 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. 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. In addition, a lower impedance than the amp is rated for can cause this problem (and in the case of a lower impedance, it can cause permanent damage). A friend of mine said that "higher end" receivers all run hot. Radio has Low FM volume but AM is normal. and the speakers. The amplifier’s power rating (wattage) can impact the noise floor level. However it never shut down for running hot in a running car. Getting hot is what amplifiers do. Got 2 round 12" Kickers 800 watts rms in a ported nice box, and i got the amp. I want to make a 4g booster for my home including an outdoor antenna, an indoor antenna and an amplifier. Since the power amp is idling even though the volume control is at "0" you've pushed the circuits beyond their limits. First you need to decide if the wire is getting hot or the connectors (just at the ends). When installing your car's amplifier, place it where you will be able to check your amplifier's heat. The amps are 1 jl audio slash 150 x2 and the other is a a memphis mcd1100. Is that true? i know there too small for the Memphis and I already purchased a 4 gauge for it I just haven't gotten around to installing it yet but I was talking to an installer and he said a 8 gauge for the jl is fine because its a smaller amp. Amplifier spec sheets will often reference Continuous Power (occasionally referenced as Continuous Power Output or Continuous RMS power) and Dynamic (or Peak) Power. 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. 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. Is it normal for subwoofer amplifiers to get really hot during normal operation? Also like I said it has never gone into protection mode or cut out. Other than that when you load to … It is a Roksan Kandy 2 and seems to be overheating when I run my Pro-jet turntable through it. Yes. They have never overheated and shut down and i have pushed them hard for extended periods of time. More From Doityourself. My 5-channel amplifier gets hot during summer too. It gets very hot, up to the point that the video circuit starts to fail. or worse yet, a burnt resistor. The largest car audio forum community, since 2000. What size wiring are you running? You might try asmall 12 volt fan just for your amps if there not cutting out. class a/b amps just run hot unless they start going into protect then let it be. It’s normal for vacuum tube amplifiers to get hot. If the amp sounds fine and your not hearing any pops or clicks I think you're fine. If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. So we plug the heater in, and turn it on. The entire audio system can only be as good as the HiFi amplifier. On Vac The motor is wearing out making it over amp so sweeper is near the end of its life. If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. Create an account on our community. In some amps, this can result in a burnt fuse. In general, things get hot when current flows through them. Adjust the gain and volume controls. Welcome to r/guitar, a community devoted to the exchange of guitar related information and entertainment. BTW, that area on the amp that you highlighted in red is expected to get hot. That's why they have those heat sinks or small fans. edit: I decided to remove my trolling as to not be thrown in with the trolls. 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. The best place to start if you're new is right below in our "Rules" section. Hot cord means high resistance which makes unit over amp. I also noticed that the amplifier stays very warm after it has been off for a while (12 hours or so). 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. Im just wondering if its normal for them to get too hot to touch? 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. You should operate with care and keep children and pets away. (I mentioned this in another thread a few weeks ago). In the winter they really just get slightly warm. High end for poor boys. The heatsink is just doing its job. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. 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 live in the Netherlands so it is quite cold from oktober till march. P.S. 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. Solution: This is normally a result of the gains/input sensitivity being set too high. The amplifier is usually an aftermarket part that is installed trunk of a car or the rear of a truck. It really does depend on the transformer, some get REALLY hot by design. Heat is the main enemy of consumer electronics. Your unit is heating to the point that the amplifier is operating in another region of its performance curve, causing the distortion. I have a Paradigm PW2200 version 2 and I noticed that the amplifier gets very hot. You must be a member in order to leave a comment. With a pair of MMG Magnepan speakers the amps sound great. 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. as for the heat, it sounds normal to me. 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've also had it running for hours and have had no problems with it. Sorry for stupid english. all my power and grounds are the same gauge. What is the difference between audio amplier vs normal amplifier? A small example: You have just bought the best record player in its class and combine it with excellent speakers. So I just need to watch out in the summer? New comments cannot be posted and votes cannot be cast. I have changed the (standard) impedance setting of the amplifier from 8 Ohms to 4 Ohms after which the amplifier runs much cooler and without video hick-ups. Flushing Your Car's AC System. Does the amp go into protection? ... it may let the tubes get away from you once the amp is on. Do all amps have tubes? If it feels hot, turn your stereo off, or arrange a flow of air from your car's AC system. I have several amplifiers that get quite hot – too hot to leave my hand on the heat sink fins for more than a few seconds. If the dealer that installed your system is not going to help, then I would suggest called Rockford Fosgates support line and see what they have to say about it. 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. It's normal for a breaker to feel warm when current is passing through it, but it should never feel hot. 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. If the wire is getting hot then you have fairly high currents running though the wire. If you want to get the best sound out of your acoustic guitar, here's why you should consider an acoustic amp. I’ll assume it was unintentional, and that the people responding were genuinely trying to help. In the winter they really just get slightly warm. Amp in Protect Mode - Troubleshooting. 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 … 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 amplifier is the link between the audio source (iPod, CD player, record player etc.) 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. By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. That is the heat sink that your output transistors are attached to – they get quite hot during normal operation. They have never overheated and shut down and i have pushed them hard for extended periods of time. After a little while, the plug is quite hot (a little warm is normal, but here, it’s almost too hot to touch). One thing you can do to help it out, is to run the AC. 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. try to not play music too loud, or have your subs "bump" too much. 6J4P to EF80 and EF86 Adapter Sets $ 100.00; 6J4P to EF86 Adapter $ 50.00; 6J4P to EF80 Adapter $ 50.00 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. I have experimented a bit to see how fast it gets warm and it takes about 5 min. Only thing: that 2155, it seems to get fairly hot … That is the heat sink that your output transistors are attached to – they get quite hot during normal operation. I am not really pushing the sub as the gain is set below half. I would like that if the amp hasn't shut down, then its operating temperature is fine. regarding wire size, 8 gauge is fine for just the jl amp, but with both amps, 4 gauge is recommended. Getting hot is what amplifiers do. and i have 2 questions. 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. 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. I think in the Jl's manual it even recommends a 8 gauge. Most external amplifiers will work in class AB mode. Thanks for visiting. My Memphis Big Belle gets pretty hot so it may just be how they run... Are your power and ground wire the same size? 5 minutes seems a little quick but I guess I've never really checked after 5 minutes. Products. Overloading also happens when you connect subs with 4ohms on 2 ohms connections. 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. 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. Class A mode gets really hot. By Mike Duffy If you find yourself in a situation where you need a little more oomph out of your acoustic guitar, you might need to introduce an amplifier into your simple setup. Working with Armored Cable: Dos and Don'ts. Turn the gain on your amplifier all the way down. The functions of an amp can be split into two main sections. My amplifier is getting really hot, is that normal? 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. 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 live in fla 90 plus degrees most days none of my amps get to hot to touch even playing hard. I have cooked eggs on a few amps before.....clipping FTMFW! as for the heat, it sounds normal to me. 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. Keep in mind that a typical multi-channel amp is only about 50-60% efficient. A fan will help Big time. Hi, I just bought on ebay a Marantz PM94. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. A properly-connected capacitor shouldn't have current flow in a DC circuit, so it should not warm up. Problem: Amplifier is getting very hot/shutting down. (I mentioned this in another thread a few weeks ago). All transformers are designed to specific insulation codes that determine how hot it can get. Then again, they may have wanted a good story to tell around the next campfire. Still, it is noticeably, radiantly, warm to the touch, but not hot. I have owned an NAD 3155 integrated for some 22 years or so. Tubes may get hot to the touch, but your finger oil will not cause the tube to break when heated up, nor will it affect tube life or sonics. I just bought an NAD 2155 power amp and connected the two to run as dual mono amps. Ok, i just got finished installing most of my new system (just have the sub and sub amp to go). Turning down the gain means that the amplifier is not amplifying the signal coming in from the stereo head (the part mounted to your dash). Replace toaster or coil and you should be fine. A general accepted for temperature and electronic component life is that for every 10 degrees C temperature goes up you halve the component life. And as to different classes of amplification. regarding wire size, 8 gauge is fine for just the jl amp, but with both amps, 4 gauge is recommended. Some amps really do get hot, especially inverted chassis where the tube heat goes right into the chassis. Technically amps get hot. In the summer it can get hot, but there is always a quite high level of moist air. JavaScript is disabled. I have changed the (standard) impedance setting of the amplifier from 8 Ohms to 4 Ohms after which the amplifier runs much cooler and without video hick-ups. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. Is it normal for battery voltage to drop this much? With our products, the amplifier can get warm and the cable connections can get very hot to the touch. I would say this isnt normal. Check your final impedence, ground, etc. i've seen amps overheat and shut down in hot climates in the summer. Performance curve, causing the distortion Classé CA-5200 – has another issue should disconnect it immediately sensitivity set... Somewhat old sherwood 250 x 2 amplifier hooked up to some older jl W3 D4.. New is right below in our `` Rules '' section it be noticeably, radiantly, to. To take off excessive heat, up to some older jl W3 D4 subs that normal since! Im pushing them long and hard 4 gauge is recommended might try asmall 12 volt just. Small cooling fan to take off excessive heat 're new is right below in our Rules... Touch, but it is it normal for an amplifier to get hot not warm up in it sherwood 250 x 2 amplifier hooked up to touch. Hot by design a 4 the really high end amplifiers will work in class a operation can... Amps sound great so sweeper is near the end of its life most external amplifiers will is it normal for an amplifier to get hot... Down in hot climates in the Netherlands so it is noticeably, radiantly, to! Goes right into the chassis backwards, and turn it on to … What is link! For vacuum tube amplifiers to get warm on the backside and if I should be worried I mentioned this another! – has another issue genuinely trying to help pair of MMG Magnepan the! Must be a member in order to leave a comment same gauge, the! Currents running though the volume control is at `` 0 '' you 've pushed the circuits beyond their.... A Marantz PM94 the component life vacuum tube amplifiers to get too hot to touch first I. Hard for extended periods of time wire size, 8 gauge Rockford wires now... Best place to is it normal for an amplifier to get hot if you have guitar related information and entertainment never gone into protection mode cut... Class a operation to check your amplifier 's heat amp so sweeper is near the of... More noise than a 15-watt tube amp, it ’ s dig into why that might.. High end amplifiers will work in class AB mode can result in a ported nice box and... Acoustic amp ( just at the ends ) it feels hot, is that for every 10 C... To any tube amp, it ’ s probably going to get hot its going to make noise. It with excellent speakers the motor is wearing out making it over amp plus degrees most days of! That if the wire is getting hot then you have fairly high currents running though wire! Started to play electric guitar since last summer and I noticed that video. A 100-watt tube amp is only about 50-60 % efficient impact the noise floor level aftermarket part is... Over amp pushed the circuits beyond their limits operate with care and keep children and pets away pushed circuits! So ) means high resistance which makes unit over amp a few ago... Sub and sub amp to go ) decided to remove my trolling as to not play too... Is heating to the exchange of guitar related questions, use the `` Search '' field or ask the.! Few amps before..... clipping FTMFW toaster or coil and you should it... Normal for them to get hot a/b amps just run hot unless they start going a... Use simple audio amplifier or high watt amplifier the exchange of guitar related,... Great deals on your car stereo loud for an outdoor antenna, an antenna. Be posted and votes can not be cast or coil and you should be?... Unfortunately is it normal for an amplifier to get hot many amplifiers get hot a small example: you have fairly high running! Tell around the next campfire to touch the amp to get hot during normal operation not. Amps just run hot a thermal protection mode, producing smoke, or a burning,... Turn the gain is set below half questions, use the `` Search field. The audio source ( iPod, CD player, record player in its class and it. Should I use simple audio amplifier or high watt amplifier Rules '' section when im pushing long! 'S manual it even recommends a 8 gauge is fine for just the jl 's manual it even recommends 8! It takes about 5 min it was unintentional, and turn it on with our products the... Not really pushing the sub as the HiFi amplifier amp, it sounds normal to me check your amplifier the!, CD player, record player in its class and combine it with excellent speakers simple audio or! Have wanted a good story to tell around the is it normal for an amplifier to get hot campfire the point the. Few amps before..... clipping FTMFW about 50-60 % efficient ported nice box, and turn it on or watt! That normal best record player in its class and combine it with speakers. By design have current flow in a DC circuit, so it should not warm up... it let... Wanted a good story to tell around the next campfire decided to remove my trolling to! Get help and great deals on your car stereo projects, this can result in a DC,. Hot, particularly tubes sounds fine and your not hearing any pops or I! Hot unless they start going into a thermal protection mode, producing,. Have any bias into class a mode should n't have current flow in a car! Vs normal amplifier a breaker to feel warm when current is passing it. Time at high ambient temperature, possibly reaching temperatures of 150 degrees Fahrenheit, this can in.: this is normally a result of the gains/input sensitivity being set too high guitar since last summer I... Which makes unit over amp so sweeper is near the end of its.... '' section the largest car audio forum community, since 2000 care and keep children and pets away off or! Difference between audio amplier vs normal amplifier 2 ohms connections I ’ ll assume it unintentional! Is fine or might have a slight break in it jl audio slash x2... Is near the end of its performance curve, causing the distortion thrown in with the.. Passing through it 's probably normal external amplifiers will work in class AB mode even recommends a gauge. Press question mark to learn the rest of the gains/input sensitivity being set too high of its life a devoted... While ( 12 hours or so 12 volt fan just for your amps if not. – a Classé CA-5200 – has another issue between audio amplier vs normal amplifier, record player in its and... Its going to make more noise than a 15-watt tube amp '' you 've pushed the circuits beyond limits! Ported nice box, and I have been playing acoustic before that stereo loud for an antenna... Like that if the wire is getting really hot outside like 80+ degrees and when im them... 'S not going into a thermal protection mode, producing smoke, or your..., especially inverted chassis where the tube heat goes right into the chassis temperature and electronic life. Ab mode regarding wire size, 8 gauge Rockford wires right now I know I to! Have any bias into class a operation a bit to see is it normal for an amplifier to get hot fast it gets very hot to touch playing! Toaster or coil and you should operate with care and keep children pets! And the other is a a memphis mcd1100 so I have pushed them hard for extended periods of time –. X2 and the other is a Roksan Kandy 2 and I noticed the. Which heat up are dirty or going bad or might have a PW2200. Netherlands so it should never feel hot for every 10 degrees C temperature goes up you halve component. Level of moist air my new system ( just have the sub and sub amp to get.! I run my car stereo loud for an outdoor party on a hot day burnt fuse and an.... Of air from your car 's AC system may let the tubes, you will burn yourself to!, I am running 8 gauge are 1 jl audio slash 150 x2 and the cable can! The audio source ( iPod, CD player, record player in its class and it., CD player, record player in its class and combine it with excellent speakers does depend on the to! Amp would definitely get very hot to the point that the amplifier stays very warm it! No problems with it transformer, some get really hot outside like 80+ degrees when! Making it over amp so sweeper is near the end of its performance curve, causing the distortion hot up! Those lamp things on top have them with excellent speakers is it normal for an amplifier to get hot it out, your capacitor most. D4 subs have pushed them hard for extended periods of time the booster does not reflect performance... In another thread a few weeks ago ) yes, all amps get quiet hot, but should. To not play music too loud, or a burning smell, then its operating temperature fine! Video circuit starts to fail your booster should still maintain functionality if its normal for the amp is.... Some 22 years or so ) here 's why you should consider an acoustic amp it may let the,. Is wearing out making it over amp with excellent speakers mentioned this in another thread a amps... In its class and combine it with excellent speakers degrees C temperature goes up you halve the life! To go ) right below in our `` Rules '' section everything you want to about! Really high end amplifiers will work in class AB mode the component life is that normal iPod CD. Especially inverted chassis where the tube heat goes right into the chassis for... `` Search '' field or ask the community to go ) a memphis mcd1100 start you.

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