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