smitty33 Posted March 5, 2019 Author Report Share Posted March 5, 2019 Just now, CstrokerV said: then its the amps not getting grounded properly or the rcas ground is making a loop The amp can't ground now does it need to ground, and the receiver has no ground in the power plug. I thought about grounding the 12v side to my home outlet plug but that just seems like a bad idea tbh. Link to comment Share on other sites More sharing options...
smitty33 Posted March 5, 2019 Author Report Share Posted March 5, 2019 3 minutes ago, CstrokerV said: well if you are only doing around 500 watss or so can get pretty cheap plate amps https://www.parts-express.com/bash-500s-digital-subwoofer-plate-amplifier-500w-rms--300-752 the 300 watt ones is like 150 i think Sub is a dual 4 so i can only run it at 2 or 8 ohms. For that money I can buy a good powered sub. The thing I am trying to avoid doing. Link to comment Share on other sites More sharing options...
CstrokerV Posted March 5, 2019 Report Share Posted March 5, 2019 the amp gets grounded to the battery so what do you mean it can't ground.... the rcas can be making a loop because its grounding to the receiver and the amp the reciever has a ground just not a earth ground... my build http://www.stevemeadedesigns.com/board/topic/142505-small-build-log-4-dc-lvl3-10s-tl-update-link-to-rebuild/ http://www.stevemeadedesigns.com/board/topic/154258-rebuild-6-lvl3-12s-update-small-video-nothing-spectacular/ new build http://www.stevemeadedesigns.com/board/topic/188181-03-trailblazer-slow-build-8-dc-lvl3-12-m1-motor-m2-parts/ Link to comment Share on other sites More sharing options...
smitty33 Posted March 5, 2019 Author Report Share Posted March 5, 2019 4 minutes ago, CstrokerV said: the amp gets grounded to the battery so what do you mean it can't ground.... the rcas can be making a loop because its grounding to the receiver and the amp the reciever has a ground just not a earth ground... I know the amp gets grounded on the battery. But my denon has no ground. How am i supposed to ground 2 things together that cant? I can't ground my 12v side to anything in my house (except the ground in my wall outlet that sounds like a bad idea), and my denon has no ground to begin with. How am I supposed to ground a ac circuit to a dc circuit? And why would 2 things that don't have a (chassis) ground have a ground loop problem to begin with? This is what is stumping me. Link to comment Share on other sites More sharing options...
reedal Posted March 5, 2019 Report Share Posted March 5, 2019 If it only happens with the avr providing inputs to the amp, then clearly the avr is the issue. Just because you tried more than one and got the same results doesn't mean it can't be the issue. Try using a home audio amp for home audio, and keep the car audio equipment in the car. Problem solved. It might not be the answer you want, but it will be the simplest. SMD Tool Map https://www.stevemeadedesigns.com/board/topic/193176-smd-tool-map-new-november-2014/ Build log https://www.stevemeadedesigns.com/board/topic/197217-reeds-03-tahoe-hat-sqaq-singer-xs-shca-cockbox-80prs/?page=32 Link to comment Share on other sites More sharing options...
smitty33 Posted March 5, 2019 Author Report Share Posted March 5, 2019 4 hours ago, reedal said: If it only happens with the avr providing inputs to the amp, then clearly the avr is the issue. Just because you tried more than one and got the same results doesn't mean it can't be the issue. Try using a home audio amp for home audio, and keep the car audio equipment in the car. Problem solved. It might not be the answer you want, but it will be the simplest. I am the kinda person that wants to figure out why, and not just give up and spend more money. And the fact it cost a crap ton to get home subs to hit as low and hard as car audio does. I will be buying a big crown amp for my 2-15's but not in the next few months, and like any normal person I want no no I NEED BASS. Thanks though. Link to comment Share on other sites More sharing options...
smitty33 Posted March 5, 2019 Author Report Share Posted March 5, 2019 Ok so I did find the problem. Apparently you can ground ac and dc together. I grounded my avr chassis to my power supply/amp ground. NO HUM FINALLY!! Thanks a lot to everyone that took time to help me out! Link to comment Share on other sites More sharing options...
BassMunky Posted February 4, 2020 Report Share Posted February 4, 2020 Whaaaa Shakin not Stirred....my buildhttp://www.stevemead...ngle-cab-build/412 CVX And put a sealed enclosure in your trunk cut a hole in your deck and call it ported Link to comment Share on other sites More sharing options...
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