Ok, ive had this amplifier for not even a week and its already broken! I bought this because i just got new speakers and my shi**y stereo 37 watt wasnt cuttin it. Now i have them hooked up to my computer. This is where it gets interesting! The amp was working perfect for about 4 days and when i turn my computer on the next morning instantly a loud bang rocks me out of my chair. Little bit of smoke too. Fuse right? but why, and how do i replace it without spendin big bucks to a repairman? Appreciate any and all help!
Sounds like you may have had a short on one or both speakers. Check
the wires and make sure that the + and - wires are not touching. As
for replacing the fuse if you open the case you void the warranty but
it is easy to do. Take off the cover (with the unit unplugged from the
wall) and you will see the fuses most likely on the power supply
board. Make sure you replace them with the proper amp rating. The
rating should be listed on the pcb and/or should be stamped on the
metal end of the fuse itself.
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Take the peak to peak power rating and multiply it by .727
that should be the RMS watts.
You don't have to worry too much about new stuff, but if you are using an older stereo amplifier that is rated for 8 ohm speakers then you should not use 4 ohm or they will pop the finals in the amp.
You could use 2X 4 ohm speakers in series on every channel and it should be ok.
vsx405 came error dc protection chacked all power transistors c2500 ,a1948 all ok i was disconnect dc detector wire then ok after few minutes one pair burned with c945100 ohms resistors that time not fix heat sink then all replaced power on error overload with speaker and without speakers also coming error disconnect ol wire no chang pease help any expert amplifiers thanks
probably you are right due to high impedance of the speaker the receiver cant handle it, the mini component can handle 80 to 100 watts only. you need a high watts amplifier to used your 360 watts speaker, just connect it to the audio output of the mini component. thanks
ok here is how it goes power wire from the battery all the way to amp..then ground wire from amp to a good ground on car then the remote wire which you have to run from the amp to the back of your stereo which in most cases is blue then hook subs from the sub box to the amp
Fastest way to test is to disconnect all speakers and turn up the vol. If it clips it needs service, then re-connect 8ohm speakers one by one and test until you find the speaker or channel that shorts. Then take that same speaker and hook it up to another channel and test, if it shorts, you know now it is either the speaker or the wire. Now, use a new piece of speaker wire from the same channel that caused it to short, replace the old and test. If it shorts, you've got a problem with the speaker. If your handy with a multimeter, check the resistance at the speaker and you will have your answer. If you are not familliar with a multimeter, just hook up a different speaker where the bad one is and test. It's just process of elimination. Hope this helps