![]() High power amplifiers should be plugged directly into the wall. Gear does suffer faults for this any many reasons until rebooted. The industry went on wild goose chases such as SACD.īi-amping all of my 5.1 speakers made a large difference in clarity and overall fidelity.Īlways unplug the power from the wall for the entire system and reboot at least once a week (and after power interruptions) to remove any subtle degradations. Reviewers concluded that (especially PCM) digital sounded terrible. It’s a vicious cycle which has lead generations of consumers on a never-ending upgrade path. Plugging in new cables can sound better because they are clean and break through the very thin film, of contamination, oxidation or finger oils. An untreated/protected contact will deteriorate over time. Most reviewers over the decades are actually hearing diode effects of unoptimized electrical contacts. Because of the clean and stable contacts I've made more fine-tuning progress than ever before.īut first here is a hilarious, ironic or sad finding depending on ones perspective: I'm observing the best and most consistent audio and visual fidelity ever. It's now been several weeks since I’ve cleaned and protected every electrical contact: HDMI, A/C power, speakers, XLR, TRS and RCA pin in my system. Note: I'm not recommending anything here: just sharing my experience. I noticed an improvement in picture fidelity over a three day period as the lubricant slowly evaporated. In the end I treated every electrical connection. I kept the cables unplugged on for a few minutes and then connected them to avoid reintroducing new contamination. It's easy to use too much of the 2-26 but it has a very benign composition. I wait ~3 minutes then use the 2-26 lubricant (which seals and improves electrical properties.) It not that bad but better to be safe as it is flammable. I turn power off, and then open the doors for the contact cleaner squirts. Both CRC products are sold at Home Depot. I successfully used QD Contact Cleaner followed by 2-26. So what is safe to gently clean but not destroy? Not really as dust and very thin coats of oxidation are all too easy to contaminate. My screen had a slight yellow bias and did not look good at high brightness levels (30-40ft-l).īut usually it's best to leave well-enough alone? (Especially for the tiny HDMI connectors). In a second case cleaning my HDMI connectors resulting in an improvement in my picture quality. So who stores cables with the ends exposed or throws them on the carpet? It was either a loose connection or oxidation. In a recent case I moved the XLR audio connectors around (with gain up and no-signal) and could hear a crackling noise. Over the years I've been a proponent of keeping metal contacts clean as debris and oxidation can degrade sound and picture quality. ![]()
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