drdiaboloco Posted January 6, 2003 Share Posted January 6, 2003 I know this isn't a Denon help site, but since so many of you have Denons, thought I'd ask here. Okay... So I chuck in the DVD of "Reign of Fire" so I can enjoy a mindless action flick on my first afternoon off in a week, and I noticed something that I hadn't before. As I turned up the volume after hitting "play" on the DVD player, I heard a faint popping sound as the volume spooled up... one pop for each step in volume. After fiddling with it for a while, I've determined that: -It mostly happens in the stereo speakers (front main), but it's also faintly audible on the other speakers (I have a six-channel setup). -It happens (to MY ears, at least) at volume settings of "-25" and above, and is more noticeable as the volume goes up... And at settings above "OO" it is very noticeable indeed. It is most noticeable during quiet passages with a lot of low-freq material (such as during the credits of "Reign of Fire", which is how this whole thing started), and is not noticeable as the volume of the source material is louder. It also doesn't happen at all when there is no signal being amplified, like while the movie is paused. -It happens whether listening to DTS or DD, and in stereo mode as well. -It does NOT happen when listening to other program sources, such as the VCR or the CD player. -After experimentation, it even appears that it doesn't happen on all movies!! Casino? No. Princess Bride? No. Reign of Fire and the also-rented Minority Report? Yes. -There is even a popping sound when hitting pause, stop, chapter skip, or eject while the movie is playing. Strangely, not EVERY step of volume change is always registered audibly, and it doesn't seem "centered", in that the popping sound can shift left-to-right or anywhere across the sound stage from side to side. Is it possible it's always done this and I just didn't notice it? Seems unlikely as I would've noticed it by NOW, six months after buying it. Does anyone have a similar experience or a possible explanation? BTW I am using the optical input, if this could possibly be the source of the problem... And it doesn't matter if I use the remote or the knob on the unit itself to change the volume. Quote Link to comment Share on other sites More sharing options...
dblue Posted January 7, 2003 Share Posted January 7, 2003 I assumed this was normal on the Denons. My 2802 does it as well. Also, my Alpine car unit does the same thing. Quote Link to comment Share on other sites More sharing options...
drdiaboloco Posted January 8, 2003 Author Share Posted January 8, 2003 Well I take it back, it DOES do it when listening to the CD player after all. *sigh* Dunno, perhaps I just never noticed it before. Quote Link to comment Share on other sites More sharing options...
skonopa Posted January 8, 2003 Share Posted January 8, 2003 Interesting. I just checked mine, including with Minority Report and mine does not have any popping sound in the volume. I guess one thing you can try is go to the Rat Shack and buy some contact/control cleaner and spay it into the volume control (although I don't know how to get in where it'll do good - you can pop the knobs off the front with no harm to the unit if you are careful). Also, make sure you don't have any loose connections in your system as well as any shorts. Beyond, I guess you can try to call Denon and see what they say. Unfortunatly, I went through alot of hoops to get somebody when my remote would not work, only to find out that the batteries that where included where crap - a simple trip to the store to buy a fresh set of quality batteries ended up fixing the problem. Quote Link to comment Share on other sites More sharing options...
pierceb Posted January 8, 2003 Share Posted January 8, 2003 My 3802 does it as well. I always thought it was part of Denon noisy pre-amp section (along with the hiss). Most of the time the noise is a slight click, other times (only when using the remote i noticed) there are definite pops between each step in volume. It usually depends on how I hit the volume control (i.e. turn it/up down quickly, then touch it lightly a few short times, etc.). Now I just try to be more careful when using the volume control, and I haven't noticed it lately. -PB Quote Link to comment Share on other sites More sharing options...
Jolly Roger Posted January 8, 2003 Share Posted January 8, 2003 My avr-3300 does it as well. Quote Link to comment Share on other sites More sharing options...
Frzninvt Posted January 10, 2003 Share Posted January 10, 2003 I have an AVR-4800 and a AVR-3300 and have not noticed this phenomenon at all. Sounds like sonic artifacts in the digital volume control, I have noticed something similar on my Kenwood KDC-PS909 Hi-End Car CD Player while raising or lowering the volume while the CD is playing. Does it happen with non-digital sources say television, cassette tapes, or vinyl. I think I would have noticed it by now if it was happening, perhaps I need to listen a little closer and see. Quote Link to comment Share on other sites More sharing options...
shoe11 Posted January 10, 2003 Share Posted January 10, 2003 My 3802 does this, my 2500 did this, and even demo models at both dealers I frequent do this. Doesn't bother me though as in over ten years of owning the 2500 and now the 3802, they've been 100% reliable and once you set your volume the unit makes no other sounds. ~shoe Quote Link to comment Share on other sites More sharing options...
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