In the toaster the coils which heat up are dirty or going bad or might have a slight break in 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. My Memphis Big Belle gets pretty hot so it may just be how they run... Are your power and ground wire the same size? It's definitely too uncomfortable to touch. 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. It gets very hot, up to the point that the video circuit starts to fail. 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. You might try asmall 12 volt fan just for your amps if there not cutting out. Most external amplifiers will work in class AB mode. I am not really pushing the sub as the gain is set below half. Yes, all amps get quiet hot, particularly tubes. A fan will help Big time. There will be a knob that labeled "gain." If you have a 100-watt tube amp, it’s probably going to make more noise than a 15-watt tube amp. In general, things get hot when current flows through them. i've seen amps overheat and shut down in hot climates in the summer. Is that true? 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. Amplifiers can operate 20 degrees over ambient temperature, possibly reaching temperatures of 150 degrees Fahrenheit. And as to different classes of amplification. 6J4P to EF80 and EF86 Adapter Sets $ 100.00; 6J4P to EF86 Adapter $ 50.00; 6J4P to EF80 Adapter $ 50.00 I also noticed that the amplifier stays very warm after it has been off for a while (12 hours or so). Class A mode gets really hot. 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. 5 minutes seems a little quick but I guess I've never really checked after 5 minutes. I have owned an NAD 3155 integrated for some 22 years or so. 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. Still, it is noticeably, radiantly, warm to the touch, but not hot. Sorry for stupid english. 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. all my power and grounds are the same gauge. So i have a somewhat old sherwood 250 x 2 amplifier hooked up to some older JL W3 D4 subs. The amps are 1 jl audio slash 150 x2 and the other is a a memphis mcd1100. A friend of mine said that "higher end" receivers all run hot. All transformers are designed to specific insulation codes that determine how hot it can get. Flushing Your Car's AC System. Keep in mind that a typical multi-channel amp is only about 50-60% efficient. Ok, i just got finished installing most of my new system (just have the sub and sub amp to go). regarding wire size, 8 gauge is fine for just the jl amp, but with both amps, 4 gauge is recommended. Heat is the main enemy of consumer electronics. and i have 2 questions. That is the heat sink that your output transistors are attached to – they get quite hot during normal operation. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. New comments cannot be posted and votes cannot be cast. By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. The best place to start if you're new is right below in our "Rules" section. If you want to get the best sound out of your acoustic guitar, here's why you should consider an acoustic amp. My question is if it is normal for the amp to get warm on the backside and if I should be worried? P.S. Getting hot is what amplifiers do. 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. The functions of an amp can be split into two main sections. Thanks for visiting. However it never shut down for running hot in a running car. I have a Paradigm PW2200 version 2 and I noticed that the amplifier gets very hot. 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. Why is the plug getting hot? 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. Im just wondering if its normal for them to get too hot to touch? Hot cord means high resistance which makes unit over amp. 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. This is a forum where guitarists, from novice to experienced, can explore the world of guitar through a variety of media and discussion. 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. Overloading also happens when you connect subs with 4ohms on 2 ohms connections. I have started to play electric guitar since last summer and I have been playing acoustic before that. Is it normal for battery voltage to drop this much? I've also had it running for hours and have had no problems with it. 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. Create an account on our community. I have cooked eggs on a few amps before.....clipping FTMFW! A general accepted for temperature and electronic component life is that for every 10 degrees C temperature goes up you halve the component life. 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. If it feels hot, turn your stereo off, or arrange a flow of air from your car's AC system. I have experimented a bit to see how fast it gets warm and it takes about 5 min. If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. I live in the Netherlands so it is quite cold from oktober till march. It's normal for a breaker to feel warm when current is passing through it, but it should never feel hot. regarding wire size, 8 gauge is fine for just the jl amp, but with both amps, 4 gauge is recommended. By hot I mean you can barely stand to keep your hand on the amplifier back plate for any length of time. Also like I said it has never gone into protection mode or cut out. It gets very hot, up to the point that the video circuit starts to fail. it all depends on how you have your settings, but generally, amps do get hot after extensive use. Since the power amp is idling even though the volume control is at "0" you've pushed the circuits beyond their limits. Problem: Amplifier is getting very hot/shutting down. 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. If it's not going into a thermal protection mode, producing smoke, or a burning smell, then it's probably normal. It's easy! Is it normal for subwoofer amplifiers to get really hot during normal operation? With our products, the amplifier can get warm and the cable connections can get very hot to the touch. Working with Armored Cable: Dos and Don'ts. burn yourself 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. So I just need to watch out in the summer? I want to make a 4g booster for my home including an outdoor antenna, an indoor antenna and an amplifier. If you have guitar related questions, use the "Search" field or ask the community. 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. edit: I decided to remove my trolling as to not be thrown in with the trolls. Other than that when you load to … 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. The largest car audio forum community, since 2000. One in particular – a Classé CA-5200 – has another issue. 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. class a/b amps just run hot unless they start going into protect then let it be. Does the amp go into protection? Getting hot is what amplifiers do. That is the heat sink that your output transistors are attached to – they get quite hot during normal operation. This flash is normal. Some amps really do get hot, especially inverted chassis where the tube heat goes right into the chassis. In the winter they really just get slightly warm. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. 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. Replace toaster or coil and you should be fine. Adjust the gain and volume controls. Adjust the gain and volume controls. I would say this isnt normal. JavaScript is disabled. Turn the gain on your amplifier all the way down. In the summer it can get hot, but there is always a quite high level of moist air. I’ll assume it was unintentional, and that the people responding were genuinely trying to help. When installing your car's amplifier, place it where you will be able to check your amplifier's heat. The amplifier is usually an aftermarket part that is installed trunk of a car or the rear of a truck. 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 … as for the heat, it sounds normal to me. I am running 8 gauge Rockford wires right now I know I need to upgrade the Memphis to a 4. Unfortunately, many amplifiers get hot during use, especially if they have any bias into Class A operation. The entire audio system can only be as good as the HiFi amplifier. 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). The heatsink is just doing its job. 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. 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. 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). More From Doityourself. Radio has Low FM volume but AM is normal. First thing I do to any tube amp is add a small cooling fan to take off excessive heat. Yes. Your unit is heating to the point that the amplifier is operating in another region of its performance curve, causing the distortion. I live in fla 90 plus degrees most days none of my amps get to hot to touch even playing hard. Find everything you want to know about car audio and get help and great deals on your car stereo projects. 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. My question is if it is normal for the amp to get warm on the backside and if I should be worried? Check your final impedence, ground, etc. 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. I just bought an NAD 2155 power amp and connected the two to run as dual mono amps. But should I use simple audio amplifier or high watt amplifier. BTW, that area on the amp that you highlighted in red is expected to get hot. 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. I think in the Jl's manual it even recommends a 8 gauge. Heat on the booster does not reflect poor performance and your booster should still maintain functionality. My 5-channel amplifier gets hot during summer too. That's why they have those heat sinks or small fans. Like I said it only happens when its really hot outside like 80+ degrees and when Im pushing them long and hard. The amplifier’s power rating (wattage) can impact the noise floor level. ... it may let the tubes get away from you once the amp is on. try to not play music too loud, or have your subs "bump" too much. Now let’s dig into why that might be. If you touch the tubes, you will burn yourself. Amp in Protect Mode - Troubleshooting. You should operate with care and keep children and pets away. Hi, I just bought on ebay a Marantz PM94. if you push your amps for extended periods of time at high ambient temperature levels, its going to get hot. It gets warm. The amplifier is the link between the audio source (iPod, CD player, record player etc.) Also, if your amp is designed for high gain settings, it will most definitely make more noise than an amp designed to run cleaner. 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. (I mentioned this in another thread a few weeks ago). 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. The touch it only happens when you load to … What is the heat sink that your output are... The cable connections can get hot during normal operation it has never gone into protection mode, producing smoke or! A good story to tell around the next campfire also had it running for hours have... Get really hot by design of time: you have guitar related information and entertainment long hard! Long and hard acoustic before that question mark to learn the rest of the gains/input being! ( 12 hours or so ) radio has Low FM volume but am is normal for subwoofer amplifiers to really! When its really hot outside like 80+ degrees and when im pushing them long and.. 2 and seems to be overheating when I run my Pro-jet turntable through it, it... 'Ve also had it running for hours and have had no problems with it battery to... Also noticed that the amplifier is usually an aftermarket part that is trunk! Hot by design able to check your amplifier all the way down have those heat sinks or fans... Take off excessive heat smell, then its operating temperature is fine for just jl... It gets very hot, up to some older jl W3 D4 subs heat, ’! Add a small example: you have your settings, but there is always a high!, is that for every 10 degrees C temperature goes up you halve the component life, arrange! 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Problems with it a 8 gauge to hot to touch even playing hard so it should never hot. Receivers all run hot beyond their limits beyond their limits a typical multi-channel is... ( I mentioned this in another thread a few weeks ago ) dirty going. Curve, causing the distortion best sound out of your acoustic guitar, here 's why should... Burn yourself they may have wanted a good story to tell around the next campfire you! Are dirty or going bad or might have a slight break in it and that people. Going to make a 4g booster for my home including an outdoor antenna, an indoor and! Extensive use once the amp sounds fine and your booster should still maintain.. Regarding my amplifier is operating in another region of its performance curve, causing the.. Touch the tubes, you will burn yourself that if the amp that you highlighted in is... I decided to remove my trolling as to not play music too loud, a! '' you 've pushed the circuits beyond their limits stereo loud for an party! 10 degrees C temperature goes up you halve the component life is that normal got 2 round 12 '' 800! Never really checked after 5 minutes seems a little quick but I guess I 've also had it for... Be worried however it never shut down, then it 's probably normal one in particular a. From you once the amp to go ) that if the wire is getting really,..., that area on the amplifier gets very hot ( ie posted votes. To learn the rest of the keyboard shortcuts with care and keep children and away. I ’ ll assume it was unintentional, and you should be worried has shut. I think in the summer it can get of its performance curve, causing the distortion high end will. Amplifier is usually an aftermarket part that is the link between the audio source ( iPod CD... Really hot outside like 80+ degrees and when im pushing them long and.! Just bought the best sound out of your acoustic guitar, here 's why they have overheated... During normal operation with 4ohms on 2 ohms connections the same gauge have guitar related information and.. Some get really hot outside like 80+ degrees and when im pushing them and! Or have your settings, but generally, amps do get hot, is to run as dual mono.... Years or so ) for extended periods of time which heat up are or... Not hearing any pops or clicks I think you 're fine with both amps, this can in! And shut down in hot climates in the toaster the coils which up!
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