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Found 4 results

  1. I'm getting a extremely annoying engine whine out of my tweeter on my front left channel. Only does it on that particular channel. I have two amps a 501BD and the 551x running off my Jensen UV10 head unit that share a remote wire, I found that when I take the remote wire out of the 501bd for my subs and touch it to the case of the 501 then all my speakers stop playing music and the whine stops for about 10-15 seconds the starts up again same thing happens if I take the remote wire and do it on the 551x. When the deck is off it doesn't whine so that eliminates the possibility of the speaker wires ground info out somewhere. I'm going to try switching the Rca to see if it follows to the other side and I'm going to clean up the ground to both the amps and see if that helps. Other than that and the possibility of the amp being bad or the head unit ground I'm out of ideas on what it could be. Thanks in advance!
  2. Before we begin, I have a pretty decent knowledge of car audio and how it works but Im still new to full system builds and dont know everything and probably have done some things wrong that being said I'm looking for help not how stupid you think I am. Alright so here's my situation.. I have a alternator whine that i cannot get to go away in my 1992 toyota pickup. I've tried everything accept ground the RCAs to the deck and a ground loop isolator. I want to stop the problem not cover it up if I can. I have this faint alternator whine coming out of my Front Left P1t-s tweeter and my 3.5" punch 2way speaker both connected to the same channel on my 551x 4 channel amp. Heres the equipment I'm dealing with. I have 4AWG power wire running from a 60 Amp in line fuse to a 1 farad Punch capacitor that feeds a 501BD and 551x via distribution block. My head unit is a Jensen uv10 flip out touch screen deck hard wired into the truck. Speakers are P1t-S tweeters with external crossovers, (2) P132 2 ways linked to the tweeters for fronts and (2) P157 for the rears and (2) p1 2ohm SVC subs ran at 1ohm for subs through the 501BD. I switched the speaker output from left to right on the amp and the whine switched sides which leads me to think its my amp that causing this problem. doesnt do it when i switch RCAs only speaker outpts. However this is where it gets interesting... I cut the ground wire to my deck from the factory ground in the truck and it still powers on, ground wire not attached to anything. Leading me to believe that its grounding through the metal casing it sits in. And this "Alternator wine" doesnt happen when the truck is off and sometimes doesnt happen when the truck is on, only sometimes does it occur usually after turning my system up quite aways. So when i fuck with the deck alittle like move it around where its mounted it will increase or decrease the severity of the whine, leading me to think its not just my amp that could be the problem... All my grounds with the exception of the deck are solid bare metal to metal chassis grounds I covered up any potential ground hazards from the wiring harness with electical tape and heat shrink. Im so done with this stupid whine could really use some advice and help on this one. Also what should i do about the deck and the ground wire?
  3. Hey everyone! Here is our latest amplifier dyno video! We are making our way through the SKv2 line. Next up is the SKv2-200.4D and then on to our bigger mono amps! Enjoy! - Devin
  4. 1. Product: kenwood KAC-8405 2. Specs: 4-Channel Performance Series Class AB Car Amplifier RMS Power Rating: 4 ohms: 60 watts x 4 chan. 2 ohms: 90 watts x 4 chan. Bridged, 4 ohms: 180 watts x 2 chan. Max power output: 720 Watts MOSFET power supply LED power indicators 4/3/2 channel operation Speaker-level inputs Input sensitivity control Bass boost switch Short circuit, DC offset, overload, and thermal protection circuitry Signal sensing turn-on Cast aluminum heat sink design Built-in cooling fan Gold-plated RCA level inputs Gold-plated screw terminals Single side exposure of terminals for multi-installation Variable high-pass filter (50-200 Hz, 12 dB/octave) Variable low-pass filter (50-200 Hz, 12 dB/octave) CEA-2006 compliant amplifier Dimensions: 11"L x 2-5/16"H x 9-3/8"D 8-gauge power and ground leads recommended. 3. Description/Condition: perfect condition concidering this was only used 2 months, only mark is a small scuff on the corner 4. Price: : 100 shipped OBO
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