I have very little amp repair experience but I do have good general electronics knowledge, soldering skills, and access to power supplies, signal generators and o-scopes. I've posted some pictures on flickr here: The problem remained so before I replace anything else I wanted to consult the forum. With rated power of 900Wpc into 8 ohms, 1360Wpc into 4 ohms, and 1500Wpc into 2 ohms, the AMP V, which stands proud at the top of the Accustic Arts amplifier line, surpasses my reference DAgostino Progression M550 s rated power into 4 ohms by 260Wpc (footnote 1). My intuition told me it was a capacitor issue at first since it is a bit aged and electrolytics like to lose their potency over time, so I replaced most of the larger ones. In the process the amp draws a lot of current and gets very warm. After time, that got more and more frequent until now when it just sounds like a continuous ripping sound anytime it's powered up. I never thought anything of it because lots of audio systems make little pops or clicks when they power up and it seemed totally normal.Ī few months ago, that bump sound started happening more frequently, like the amp was turning itself off and on every so often. As long as I've had it, whenever the amp would power up, the sub would make a little "bump" sound. The Remote connection of the amp was connected to the remote line of my stereo, so when I turn on the stereo the amp would turn on as well. I used it for several more years with no problems until a few months ago when it started acting up. I have a Coustic AMP190 that I got from my dad a number of years ago after he got some good use out of it.
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