It has worked flawlessly for several years. If the switch has impedance matching then there will be an additional loss of power in it. You may have to turn the volume up so high that you are hearing background hiss in the Onkyo. I haven't read all the posts in this thread, but I'm pretty sure it's the receiver's malfunction because I am fairly familiar with this one as I have another 1906 which serves as my processor in my home theater in my back room. You may have to turn the volume up so high that you are hearing background hiss in the Onkyo. nowhere near enough to affect the sound when listening to music or films, but still, it is audible when you put your ear a slight distance from them (about a foot away it fades out). Mine does function in stereo mode so I operate it with my RF-5's as a 2.1 out in my living room for now. the problem i have just noticed is that the tweeters of all the speakers are producing a slight hiss. After a short delay, it hisses until turned down or off. They claim that for any kind of warranty work I'd have to try the manufacturer. It exhibits a problem very similar to yours! I messed around and didn't notify them until it was too late for their 30-day warranty so I might be stuck with it. I thought I'd chime in on this one because I also bought a refurbished Denon AVR-1906 from back in December. Supposed to make my speakers sound terrible, haha. Receiver from, because something tells me that my receiver isn't Should probably call Denon and talk to the guy I bought the When no source but equipment is turned on is there still a hiss I use a pc for my source with an asus essence stx ii 7.1 sound card with crown xls 15 along with an xti 6002 and two cerwin vega subs one being a cvx-21s and an el36dp, my speakers and only the cvx-21s when turned all the way up no hiss or sound if my pc is turned off. Volume was full blast and I was about a foot or two away.nothingĬompared to how loud and obnoxious the Denon's hiss is. Was when my ear was as close to the tweeter as possible, or when the It was electronic interference, I kept the same set-up but replaced theĭenon with the Philips, which made it to where the only audible hiss Hiss stays roughly the same loudness from -69 to-10, but then will +15) and I can hear the hissing noise from four or five feet away. Volume on the Denon at -69 (volume range for the AVR-1906 is -70 to No hiss if selected component is not powered up. What makesmeĪbout 99% positive that my Denon is crap is the fact that I can have my Hiss from tweeters, which happens on mains, center channel and surrounds Happens on all active inputs, even analog in. Turned the volume up to full blast with nothing playing. If you can hear a hissing sound coming from your speakers when theyre not playing music, its probably a matter of magnetic interference. You could try removing the DAC entirely and see if that helps. Make sure your DAC and speakers share the same ground. There are two main sources, difference in resistance to ground, and amplifier distortion. Hiss" was aparent if I had my ear literally in the tweeter or if I It is measured in dB, called signal to noise ratio. Any thoughts?Įdit: model is an older version of the “dect 6.0 plus” / “tga401”Įdit:: no components are hot to the touch when noise is made.With my old set up (Philips FR994 receiver), this "small amount of There are no vents and no bulging on either PTH cap, and besides the color & specs, they resemble the one pictured below. This suggests a politeness-related function. Some digging online suggests that capacitors can hiss, piezoelectrically, but that seems limited to ceramic caps, not electrolytic ones. Previous studies have shown that Korean speakers produce more frequent hisses when addressing status superiors. The rest are SMD, and the PTH caps are held down by white adhesive. There are a couple big ICs and two PTH caps. I had the same issue at my cabin, its a lodge built the 1940s and anything with a speaker had a hiss or a hum. Any advice or solutions would be great to hear. I tried holding down various components within it to see if I could narrow it down - to no avail. The hiss is coming from the tweeter area AND bass area on both speakers, although the tweeter area is louder. It does this regardless of whether or not there are batteries in it, and after removing the back, I cannot tell where the noise is coming from. Recently, I’ve noticed one handset hisses during charging. They’ve worked reliably for at least 8 years, and I know Panasonic is excellent quality. Essentially, it happens when the electrons stray off the path of their intention due to heat. They have multiple charging stations, 2 remote bases, and one actual base station. I have a Panasonic landline (wireless) setup in my home.
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