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  1. DIY Speakers and Subs
    I am building a bookshelf speaker and getting a loud humming noise from my tweeters. I figured out that the noise is lowered when a separate power supply is connected or is plugged directly into the Bluetooth receiver skipping the crossover but disappears when both are done. I think that means...
  2. Speakers
    Hello! Maybe someone has the idea why is this happening: I have some 2.1 computer speaker system (Evo 3 Pro), picture below: And this subwoofer started making some terrible noise, watch the video here: https://drive.google.com/file/d/164hdTh9RVCwEatDA_s44jpdJdeY5I_jp/view I don't have any...
  3. Headphones
    Hi, I have a DAC / Preamp / headphone amp (Yulong Sabre DA8II, ), which I am currently using as an DAC + headphone amp (it is rated 1W), connected to my laptop using USB. When I turn it on, there is some white noise (like wind) coming in the earphones. The Yulong is connected to a wall socket...
  4. Audio Theory, Setup, and Chat
    Hi all, i saw a video on youtube about the IFI DC Blocker. I already have the Furman PST-8. According to the Furman site, the PST-8 already "significantly reduces AC line noise". is this the same thing? I'm tempted to buy this IFI DC Blocker and using it for my Emotiva XPA-7 amp to see if I...
  5. Receivers, Amps, and Processors
    Hello, I have the receiver cited on the title bar and I use it to watch TV and movies in surround sound. Today it started making noises in about 3 or 4 second bursts that sound almost like a cooling fan or something. Even when you use apps like YouTube or Prime when selecting new videos to...
  6. Car Audio, Video, and Nav
    The dashboard radio unit on our 2018 Winnebago Vista LX (basically a Ford F53 V-10) started having a loud intermittent whining/screeching/static noise. It replaces the music (not just drowning it out) and comes from all speakers. It happens both with the engine on and the engine off. It happens...
  7. Audio Theory, Setup, and Chat
    I just got done setting up a new computer monitor to use with my laptop via HDMI. I opened up my DAW and suddenly my guitar amp's direct output had noise on it. It seems like the 1/4" balanced TRS cable out of the amp into my audio interface input is picking up something from the monitor's HDMI...
  8. Digital Projectors - Under $3,000 USD MSRP
    I have bought this projector, and it is great, except the noise. It is supposed to be 32dB in movie mode, and 38dB in presentation mode, but the fan noise is always 38dB(A), regardless of which mode it is in. I have a calibrated measurement microphone to confirm this. Searching the internet, I...
  9. Speakers
    So i used to have the following setup: My PC -> Focusrite Scarlett 2i2 2nd Gen Audio Interface -> Denon Soundbar And i just recently changed my setup to be: My PC -> Focusrite Scarlett 2i2 2nd Gen Audio Interface -> DIY Amplifier -> a pair of Omniray Zingray speakers And for some reason i...
  10. Speakers
    Hi everyone, I have problem with my almost 10 years old Logitech Z-5500 speaker system. A steady high pitch noise (around 6kHz) can be heard from the satellites, which intensity does not change when turning the volume control. Noise is heard at every setting (Analog, Optical, Coax), even when...
  11. Digital Projectors - Under $3,000 USD MSRP
    I recently bought an Epson 5650 projector and is very happy with the picture and noise when the projector is in Eco mode placed on a table. After some time I mounted my projector in the ceiling, and it seems for some reason the fan speeds up when the projector is set in "ceiling" projection...
  12. High Dynamic Range (HDR) & Wide Color Gamut (WCG)
    I purchased the movie Christine (4K) from Movies Anywhere. It propagated to Prime Video (standard UHD), VUDU (Dolby Vision), and directly in the Movies Anywhere App (HDR10). I am seeing HUGE differences between the formats. In the Movies Anywhere app on HDR10, the detail is acceptable, but there...
  13. Audio Theory, Setup, and Chat
    When I connect my receiver (rca output) to my subwoofer amp (xlr input) with an RCA -> XLR cable the speakers produce static and a tone, however there is no static or hum on the subwoofer. The tone is not exactly a hum so I don't think it's ground loop noise, but I am inexperienced and don't...
  14. Headphones
    Hi, I'm after "something" (doesn't necessarily have to be a headphone, but that seems the most obvious option) that can effectively block out noise in my environment - my home study, with two nearby construction sites seemingly in competition with one another to see who can generate the most...
  15. Digital Projectors - Under $3,000 USD MSRP
    Hello, I got my UHD550X two weeks ago. But unfortunately there was a high frequency noise coming from my projector. After searching a little bit in this forum I learned it's possible the noise is coming from color wheel. So back to my situation, I contacted Optoma and send my projector to them...
  16. CD Players & Dedicated Music Transports
    Hello, I am in possession of a 1990's Samsung Home Stereo Unit (I have included a picture as an attachment). It has treated me very well over the years. However, there seems to be an issue with the 1/4 headphone port when using modern headsets. This is what I think the problem is, the TRRS...
  17. Subwoofers, Bass, and Transducers
    Hey all, looking for a bit of advice with my JBL ES150P Subwoofer. It makes this low scratchy noise, kind of like sound effects from DOOM 2016 so my girlfriend and I like to joke that it's possessed. But at some point it becomes unfunny, as I'd like my bass back. I've eliminated all sources of...
  18. Receivers, Amps, and Processors
    Hi all, I've referred to this forum many times but never needed to post before. Looking for some help with what I should do next. Should I replace my ageing (and slightly broken) AV Receiver with a new one or attempt a repair? Background I have an Onkyo AV Receiver TX-SR308 connected to my PC...
  19. Speakers
    A couple months ago I got a set of 5.1 speakers for my computer, the Swan M60-5.1. This is supposedly a very high-end brand? When the speakers are not idling they sound pretty great, especially when all of them get in on the action for movies and games. But I've noticed from the beginning that...
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