Could the noise disappear if i hooked the power supply up to a watt amplifier? You could clean the current up a bit with a single uf micro farad capacitor - whatever you have laying around or can scavenge check polarity! Or if you have access to some car-stereo hardware you might have, given the radio? Note that adding a larger capacitor would most likely introduce a "powering up" period when turning on the system.
How to Use a Computer Power Supply to Power a Car Amplifier for Subwoofers in Your Home
Get an ad-free experience with special benefits, and directly support Reddit. DIY subscribe unsubscribe 14,, readers 1, users here now Latest news: Read our guidelines before posting New to reddit? These are not the subreddit rules. Please see the guidelines link above. Welcome to Reddit, the front page of the internet. Become a Redditor and subscribe to one of thousands of communities. Too many wires to comprehend for me! Want to add to the discussion? I am currently having the same problem. This means there should be more than enough power.
The amp is working fine as I have tested it in the car. The power supply unit wiring is okay as it works fine with a different 4 Channel Amp. But together, it keeps dying. I have tried to use a capacitor but I get nothing then.
Martinvanhooff Sep 29, , 6: Hello I'm having the same problem exactly like you have.. Here my video on youtube about it: So this works perfect my phone is charging. Did you manage to solve the problem yet? DL Stratton Oct 27, , 7: Both of the 12v rail shut off problems, the car audio amp load shutoff when connected and the PSU shut-off when the 5v phone charge load is disconnected maybe related to the PSU you are using.
I am having a similar problem when I use the 12v rails to power 12v tungsten under cupboard lights to light my Kitchen counter top. The lights are 12 v 20 w and run at 1. I have 6 of them powered so they need 10 amps total to run. Per LT SPICE model of the 20w lamp, the lamp has an inrush current of about 27 amps each at start up, which quickly drops logarithmically to 1.
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I found this possible solution at http: Connecting an old CD drive or a 12V light bulb into the 5V rail, see picture are well proven methods to get this load. Wether you need a base load or not has to be tried. If even tiny loads on the 12V rail cause the PSU to turn off, a base load is required. Also, a base load never hurts. Here is some additional discussion on the arduino boards.
ATX power supply powering car amp problem
I hooked 20 w 12v lamp to 12 v rail without the 5v rail load. The lamp briefly lit and the power supply shut off. I reset it by turning the power switch Off o , disconnecting the black to green jumper Power turn on. I then hooked up another 20w 12v lamp to the 5v rail red to black, turned the PSU switch back on I and the lamp on the 12 v line stayed on. It is still lit now after about 10 minutes.
SO that must have been the problem. No 5v Base load. I do not know what the minimum base load is to keep the PSU regulating. Make sure your PSU is fine and running good. You could also hook up a car radio to your PC if you'd like, but I haven't done it yet so I don't have a guide.
ATX power supply powering car amp problem - Power Supplies - Audio
If your case is a tank really heavy-like you could rig up The Amp to your right-side panel, but mine's a lightweight, so again, no guide. If your using an independant PSU, you might want to remove unnecessary wires. I cannot recommend this as your PSU could deep-fry your pasty-white nerdy ass any day of the week. I have done this though rigging it up for a friend , so I won't say it's impossible. It'll probably be overwhelming. Mine doesn't need one, so no guide. Joined Feb 26, Messages 5, 1.
So make sure to do your homework my car amp can use up to A So its important to know how many amps your stereo amp pulls dont pay as much attention to the amount of advertised watts as on most car stereo amps thats misleading and most likely you will need to run several yellow wires grounds too off your PS together to supply the current.
Zebeon Feb 25, Joined May 1, Messages 0. My amp pulls LOTS of power. TVman New Member Feb 25, Joined Dec 29, Messages 0. Joined Apr 30, Messages 7, 2. You need thicker gauge wire to prevent burning or melting, the min I run even for a watt amp is 8ga from the battery to the amp. This really has bad idea written all over it in terms of safety. Joined Jul 23, Messages 27, 6.
Papahyooie Feb 26, Joined Mar 11, Messages 1, 0. I thought this was going to be a thread asking how to hook up a car amp to household speakers. A big no-no of course. I was pleasently surprised to see a nicely put together guide for something that is useful and actually works the way it is meant to, and by someone who's done his homework no less. Something that could be mentioned is gauge of wires needed.
Too thin wires could be bad for business. Other than that, Kudos! D'oh dub beat me to it.
xn----7sbarccbofbdikbzuj4akjp8a.xn--p1ai/modules/reshebnik/reshebnik-po-russkomu-yaziku-6-klass-lvova-lvov-razumovskaya.html And as CDawall says, only very low wattage amps. Joined Jun 12, Messages 0.
You could take the whole lot with it! A separate PSU with a large current rating on the 12V rail. I have a home made sub-woofer using a car amp to power it with my hifi speakers.