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I can't imagine that this should be considered 'normal'. I have owned (and still do) a number Yamaha AVRs and prepros and none of them make audible noise when in standby. Sounds like some kind of manufacturing issue to me.
 

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I am on my 4th Yamaha AV and never had that noise coming from the receiver. I do have a hum coming from the speakers, but that is different and I know the cause (TV coaxial cable)
 

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Well, Yamaha would like confirmation that the noise is not due to external influence first, so would like to confirm me performing test 1,

"1. When the RXA3070 is the only device connected to a mains plug socket, do you still experience the issue? Or is it worse or better?".

I already told them, from memory, the answer to this is, yes. But I will try again tonight.

They went on to explain that many high current electronic devices may have motors (fans, ovens), dimmer switches in walls or on room lamps/ lighting, and compressors usually built into fridges/ freezers . And that these introduce electromagnetic interference. And also that neighbours usage, estate usage and factory units on the same power station can have an effect on my household power supply also.

They suggested trying a power conditioner to clean and filter "the incoming AC signal, due to households having a swing on incoming power (variances)". Yamaha also recommend talking to a specialist or manufacturer within this area for the most up to date information, products and support and potential home demonstration/ try before I buy.

They added that, a "small amount of noise from electricity passing through electronic components is usual and can depend on their power usage/application, although this should be within particular tolerances".

Yamaha also said that, "America and use a different mains standard and therefore different components, while In the UK you receive support from Yamaha Music Europe UK". Not sure how the last part of the sentence relates to the first, though.

They ended by advising I send the unit in for testing if I believe I honestly suspect I have an issue with it. But that charges would incur if no fault was found, which would mean my issue is environmental.

Based on past negative experiences trying to get issues like this resolved or fixed from manufacturers, I am on the pessimistic side of things right now. I am sure all of the above circumstances Yamaha detailed could apply, but again, none of my other devices or receivers ever had this noise, so I doubt they do apply. I will perform test 1 to confirm that.

As a fellow member posted before, they do not bother with such issues anymore. It is sad, but I feel like sometimes we are forced to try and ignore these issues, and try to enjoy the device as it is. It's just all a bit of a headache sometimes, plus the pressure, time spent sending the unit back and possibility of inuring a charge if no fault is found.
 

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You might also try plugging your AVR into an uninterruptible power supply. Such devices claim to clean up power.
 

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I finally got around to swapping my new RX-A3070 into the old RX-A3050's spot.
Both dead silent in standby mode, just like the 10 y/o RX-V3900 before those.

My entire room, full of very expensive toys, runs through one of 3 Monster Clean Power centers.
...even have one in the rear of the room for my JVC projector, rear subs, Crowsons and Powered Recliners lol!



I've had pretty good luck finding them at half price around Black Friday/Boxing Day.
I hate repeating myself, but after 4 decades using Yamaha Receivers exclusively, no problem, ever.

The reason Yamaha Tech Support mentioned there are different Country support channels is likely
because the power supply voltage is different from North America to the U.K.

 

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@grosraton and @pluesan, did either of you get the noise issue resolved? I am in the UK and have had the exact same noise from two A3070s. I describe the noise as a fizzing, squealing type of noise, rather than buzzing or humming, which is constant, and lightly fluctuates, either at random or to a set pattern/ cycle. I am on my second unit (original unit was not sold because of the noise). Another owner on the AVforums has recently posted, complaining about the same noise. I am currently speaking with Yamaha Support, but they did not answer to me asking them if this is normal or within their tolerance. They have so far asked me three questions to try and diagnose the issue, but none apply. I am awaiting their response. I have also linked this page to them. This noise is not normal, to me, and points to either poorly sourced component(s) and or poor manufacturing/ assembly. I have never had another receiver do this. My second unit is worse than my first, the fizzing and squealing is louder. For the most part, I cannot be in the same room when it is in standby, unless my worse ear which does not pick up higher frequencies is constantly facing away from the direction of the receiver. It is very, very distressing and frustrating. However, fortunately, my A3070 is sat back left of seating position, so thankfully not in line with my right ear (better ear, which mainly picks up the squealing noise and higher frequencies in general).

I risk a service fee sending it in and Yamaha not finding it to be a fault, or worse, not being able to hear it. So, I am concerned. I really do not want to give my A3070 up because I absolutely love this receiver and next to my Home Cinema XTZ M6 speakers, it is the best AV purchase I have ever made. I also don't want to undergo having to spend the time and money trying other receivers out, demos withstanding. It took three receivers before my A3070, until I realised that this was the next AVR for me. I do want to eventually go wit ha 13 channel AVR but I cannot afford to, yet. Again, I love the A3070, apart from this noise.

I hope either of you, or anyone else has had an explanation from Yamaha. Otherwise, I am very curious as to what the outcome was, or if you decided to keep your A3070 or just ignore the noise.

Best wishes,

fallinlight
I've had a new A2080 for about a week now. After reading about the buzzing issue I just checked mine. It does have a faint buzzing that continuously cycles when in standby. When turned on it has a different very very faint humm/buzz. When you start using it it is inaudible due to the music/movie sound being louder than the humm/buzz.

I can hear it if I get near it (within a about a foot) and I do not have perfect hearing courtesy of USMC rifle range and aircraft Naval flight deck operations...

I probably wouldn't have noticed if it wasn't flagged for me to check out.

Basically, in standby mode, it is still "on," just in a different mode that still allows network access. The power supply circuit is slightly audible. My hunch is this is not a cause for concern other than being annoying considering we're expecting silence from a high dollar audio component. I wonder how much easier it is to detect by someone with "perfect" hearing...

Other than that, so far, it sounds great with my new R3's. :)
 

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I've had a new A2080 for about a week now. After reading about the buzzing issue I just checked mine. It does have a faint buzzing that continuously cycles when in standby. When turned on it has a different very very faint humm/buzz. When you start using it it is inaudible due to the music/movie sound being louder than the humm/buzz.

I can hear it if I get near it (within a about a foot) and I do not have perfect hearing courtesy of USMC rifle range and aircraft Naval flight deck operations...

I probably wouldn't have noticed if it wasn't flagged for me to check out.

Basically, in standby mode, it is still "on," just in a different mode that still allows network access. The power supply circuit is slightly audible. My hunch is this is not a cause for concern other than being annoying considering we're expecting silence from a high dollar audio component. I wonder how much easier it is to detect by someone with "perfect" hearing...

Other than that, so far, it sounds great with my new R3's. :)
Lovely, thanks for your message. I'm in the UK, so not sure if the voltage difference makes a difference at all. I have very good ears and my right ear picks up higher frequencies, so I can barely hear it if my left ear is in the direction of my A3070. The noise is definitely more of a squealing-fizzing noise, as opposed to humming or buzzing. Perhaps those with worse ears might hear this as a hum/ buzz due to the higher frequencies not being heard. Or, perhaps some units/ models produce more of a humming/ buzzing noise.

I use XTZ Home Cinema M6s and a Sub 1x12, and they are the best AV purchase I have ever made for my home cinema. I loved my Kef R500s, before I got my Home Cinemas they were the best speakers I owned.

I did Yamaha's test last night, plugging nothing but the receiver in, with all connections unplugged, and the noise was still there and exactly the same.
 

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Lovely, thanks for your message. I'm in the UK, so not sure if the voltage difference makes a difference at all. I have very good ears and my right ear picks up higher frequencies, so I can barely hear it if my left ear is in the direction of my A3070. The noise is definitely more of a squealing-fizzing noise, as opposed to humming or buzzing. Perhaps those with worse ears might hear this as a hum/ buzz due to the higher frequencies not being heard. Or, perhaps some units/ models produce more of a humming/ buzzing noise.

I use XTZ Home Cinema M6s and a Sub 1x12, and they are the best AV purchase I have ever made for my home cinema. I loved my Kef R500s, before I got my Home Cinemas they were the best speakers I owned.

I did Yamaha's test last night, plugging nothing but the receiver in, with all connections unplugged, and the noise was still there and exactly the same.
You're welcome. I guess fizz is another good word to describe the sound. And you are correct, it is very possible the squeal portion is inaudible to me.

I just had a situation at work where I was working on an aircraft cabin lighting issue and when they were dimmed, at a certain point there was a faint high pitched squeal, that was inaudible to me but audible to my younger colleague. Pretty much exactly what you are saying. Plus I know what he was describing because I have heard similar sounds from lighting power supplies in the past as the lights were dimmed and or brightened.

At any rate. It is almost certainly the power supply circuit components in the receivers. I like the previous posters ideas of using an intermediate power supply to "clean" up the power before the receiver gets it. It may, but maybe not, improve the fizzing. But in the big scheme of things, if it is not audible by those with the best of hearing if they are a normal distance form the unit, I personally would not worry about it. Actually, now that I know mine is doing it, I have a choice to either dislike it, or forget about it. Pretty easy to forget about it because I have to be on my hands and knees near the unit to even attempt to hear it and that will not be a normal position for me almost all the time.

I'm happy you've found better speakers! But since I have barely entered this high(er) fidelity audio hobby it's a little disconcerting to find out out a previous KEF owner found better ones. I find my R3's are incredibly detailed with excellent separation of instruments, vocals, and stereo channels. Try Yosi Horikawi "Bubbles" or pretty much any of Becks "Sea Change" album. They sound incredible through my KEF/Yamaha combination. :) I auditioned a Denon X4400 and although it was great, I just don't feel it had the detail that the Yamaha has.. It was softer (warmer?), less separation. I'll be adding a Rythmik F12SE soon and be running at 2.1, then probably a second F12SE soon after.

What do you like better about the Home Cinemas compared to the KEF's? Are you mostly listening to movies or music too?
 

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You're welcome. I guess fizz is another good word to describe the sound. And you are correct, it is very possible the squeal portion is inaudible to me.

I just had a situation at work where I was working on an aircraft cabin lighting issue and when they were dimmed, at a certain point there was a faint high pitched squeal, that was inaudible to me but audible to my younger colleague. Pretty much exactly what you are saying. Plus I know what he was describing because I have heard similar sounds from lighting power supplies in the past as the lights were dimmed and or brightened.

At any rate. It is almost certainly the power supply circuit components in the receivers. I like the previous posters ideas of using an intermediate power supply to "clean" up the power before the receiver gets it. It may, but maybe not, improve the fizzing. But in the big scheme of things, if it is not audible by those with the best of hearing if they are a normal distance form the unit, I personally would not worry about it. Actually, now that I know mine is doing it, I have a choice to either dislike it, or forget about it. Pretty easy to forget about it because I have to be on my hands and knees near the unit to even attempt to hear it and that will not be a normal position for me almost all the time.

I'm happy you've found better speakers! But since I have barely entered this high(er) fidelity audio hobby it's a little disconcerting to find out out a previous KEF owner found better ones. I find my R3's are incredibly detailed with excellent separation of instruments, vocals, and stereo channels. Try Yosi Horikawi "Bubbles" or pretty much any of Becks "Sea Change" album. They sound incredible through my KEF/Yamaha combination. :) I auditioned a Denon X4400 and although it was great, I just don't feel it had the detail that the Yamaha has.. It was softer (warmer?), less separation. I'll be adding a Rythmik F12SE soon and be running at 2.1, then probably a second F12SE soon after.

What do you like better about the Home Cinemas compared to the KEF's? Are you mostly listening to movies or music too?
The thing is, I cannot just ignore it, since the noise distresses me. It is as simple as that. However, it could be worse and I can manually take it off from the wall/ extension lead when I am not using it. So, I am close to just accepting the noise by this stage. And it seems fairly common, or at least several owners have complained and or acknowledged the noise on AVS and AVforums. I still do not agree with it: It is tedious that I should have to go out of my way - by purchasing extra equipment to make up for possible poor manufacturing/ assembly/ component(s) and physically interrupt my enjoyment of the device - to enjoy a flagship receiver and be distressed by a high-end purchase. A fellow AVforums owner said they also recently complained about the same noise from their A3070. They located the noise to be coming from the transformer. It appears that is the same place/ component the noise is coming from in mine, too.

I found the below helpful and what I think it is,

"There are (2) types of hum...
The 1st is electrical and is leaked through the audio circuit.
The 2nd is mechanical which may be caused by a couple of issuses.
a. Defective workmanship for the internal power transformer assembly
b. Poor quality of transformer components and/or laminations
c. Loose physical mounting of the transformer


Note that power transformer is the highest cost component within an AVR's bill of materials. So here frequently the transformer source will attempt to shave costs.... rolleyes.gif
Another short cut is to use a higher guage(thinner) copper winding to save costs, this type of transformer may deliver the target specification voltage but is more likely to saturate sooner...".


https://www.avsforum.com/forum/90-receivers-amps-processors/1435460-transformer-hum-receiver-normal.html

Ah.. the Denon X4400. Loved by many, not me, personally. I did not get on well with that receiver, not in my set-up and room. I wrote extensively on it, in comparison to the A3070, on AVforums. In a nutshell, I found the X4400 severely lacking in the mid-range and lower end, and highs processed sounding/ artificial and sound to be too weak or mellow for my liking. I did appreciate however, the beautiful blending of the soundstage and nuance it managed. The A3070 blew it out of the water, for me, on all accounts, but perhaps the nuance. I think it is more powerful and it unveiled the sound completely, for me. I think the pure capability of the Yamaha in reproducing sound and how it translates across the soundstage and frequency spectrum, to be a league above. Ironically, I am now researching the X8500H, as well as any other similar priced 13 channel AVRs, as my ultimate goal with my current system is a 9.2.4, with matched XTZ M6s all the way around (4x S2 for Atmos and 2x Sub 1x12). But I think I will do this in 1 - 2 years. Also eagerly awaiting my JVC N7, so that's it for purchases for now. I am half way there, as it stands. Sounds amazing. The Kef R500s as great as they were, still sounded like 'consumer' or 'hi-fi' grade speakers, but still, astounding speakers for cinema and music combined. But the XTZs are more like monitors to me - and my background is using monitors for music production, so they spoke to me in that sense and I really appreciate them for having a flat/ flatter response. The R500s are actually quite flat, too, if I remember correctly the graphs I have seen. The XTZs also actually sound truly like being at the cinema for the first time. My only desire would be the larger M8s or M8 towers, but I haven't the space anyway, so am perfectly content for now.

It's a rate race, ever changing; but regardless as an enthusiast and or consumer, I think you do good to accept this and pick your moment and go for what you will hopefully enjoy :)
 

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And it seems that all or most 70 models have it.
I'm curious how you quantify that statement?

There are a lot of owners on AVS and I've only read 2 or 3 complaints.

If mine had the noise, I would just power it completely "Off" when not in use (vs standby)
But then again, mine is only in standby when I'm not in the room, in fact, not even at home. :D
 

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I'm curious how you quantify that statement?

There are a lot of owners on AVS and I've only read 2 or 3 complaints.

If mine had the noise, I would just power it completely "Off" when not in use (vs standby)
But then again, mine is only in standby when I'm not in the room, in fact, not even at home. :D
I quantified my statement based on several owners having complained and or acknowledged the noise, assuming that it effects most or all units. However, for the sake of falsely assuming several effects most or all, I have revised my statement above.

Like I said, I made the statement in positive regard towards just accepting the noise as normal and existent, or at least for several owners. And again, by this stage, I can already foresee that sending it in to Yamaha will be pointless, as I have the strong inclination that they will not find it to be at fault, or worse, what is clearly evident - and by example of Matthew Pool's hearing, above, is that depending on the age and hearing capability of the person(s) testing it, they might not even hear the noise in the same vein, or at all, for that matter.

... Well, that's one way to do it! Talk about being on standby.. from far away! Just stay out of the house entirely! :)

Right, time to crack on with enjoying my home cinema, I have had enough faffing about with this issue. Plus I have some more amendments and additions to make in time for my JVC N7 arrival :)
 

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I obtained a 2070 as soon as they were available and have been using it daily since and there is no noise, hum, buzz, etc. I purposely have been listening for it since I saw the issue pop up here and I have yet to hear it.
 

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The thing is, I cannot just ignore it, since the noise distresses me. It is as simple as that. However, it could be worse and I can manually take it off from the wall/ extension lead when I am not using it. So, I am close to just accepting the noise by this stage. And it seems fairly common, or at least several owners have complained and or acknowledged the noise on AVS and AVforums. I still do not agree with it: It is tedious that I should have to go out of my way - by purchasing extra equipment to make up for possible poor manufacturing/ assembly/ component(s) and physically interrupt my enjoyment of the device - to enjoy a flagship receiver and be distressed by a high-end purchase. A fellow AVforums owner said they also recently complained about the same noise from their A3070. They located the noise to be coming from the transformer. It appears that is the same place/ component the noise is coming from in mine, too.

I found the below helpful and what I think it is,

"There are (2) types of hum...
The 1st is electrical and is leaked through the audio circuit.
The 2nd is mechanical which may be caused by a couple of issuses.
a. Defective workmanship for the internal power transformer assembly
b. Poor quality of transformer components and/or laminations
c. Loose physical mounting of the transformer


Note that power transformer is the highest cost component within an AVR's bill of materials. So here frequently the transformer source will attempt to shave costs.... rolleyes.gif
Another short cut is to use a higher guage(thinner) copper winding to save costs, this type of transformer may deliver the target specification voltage but is more likely to saturate sooner...".


https://www.avsforum.com/forum/90-receivers-amps-processors/1435460-transformer-hum-receiver-normal.html

Ah.. the Denon X4400. Loved by many, not me, personally. I did not get on well with that receiver, not in my set-up and room. I wrote extensively on it, in comparison to the A3070, on AVforums. In a nutshell, I found the X4400 severely lacking in the mid-range and lower end, and highs processed sounding/ artificial and sound to be too weak or mellow for my liking. I did appreciate however, the beautiful blending of the soundstage and nuance it managed. The A3070 blew it out of the water, for me, on all accounts, but perhaps the nuance. I think it is more powerful and it unveiled the sound completely, for me. I think the pure capability of the Yamaha in reproducing sound and how it translates across the soundstage and frequency spectrum, to be a league above. Ironically, I am now researching the X8500H, as well as any other similar priced 13 channel AVRs, as my ultimate goal with my current system is a 9.2.4, with matched XTZ M6s all the way around (4x S2 for Atmos and 2x Sub 1x12). But I think I will do this in 1 - 2 years. Also eagerly awaiting my JVC N7, so that's it for purchases for now. I am half way there, as it stands. Sounds amazing. The Kef R500s as great as they were, still sounded like 'consumer' or 'hi-fi' grade speakers, but still, astounding speakers for cinema and music combined. But the XTZs are more like monitors to me - and my background is using monitors for music production, so they spoke to me in that sense and I really appreciate them for having a flat/ flatter response. The R500s are actually quite flat, too, if I remember correctly the graphs I have seen. The XTZs also actually sound truly like being at the cinema for the first time. My only desire would be the larger M8s or M8 towers, but I haven't the space anyway, so am perfectly content for now.

It's a rate race, ever changing; but regardless as an enthusiast and or consumer, I think you do good to accept this and pick your moment and go for what you will hopefully enjoy :)
I totally understand your position. I don't like the noise either.

I tested my old RX V473. It's been sitting in my closet for a few weeks. Plugged it in with nothing connected (red light, standby) no noise. Turned it on. No noise. Kept it on all day until it was nice and warm. No noise. Selected it off to standby mode after having been on all day. No noise.

So. I am well within my 60 day return period with Crutchfield. I could return the A2080 and get the A3070 for $150 dollars less. Hmmm. :) I'm also considering switching to the A1080, and eventual outboard amp. Opinions?
 

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I only hear the sound from the 2070 during standby with my head almost touching the AVR. And I have pretty bad ocd but I have learned to ignore stuff like this because it is more trouble repairing/replacing it than its worth.
 
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I only hear the sound from the 2070 during standby with my head almost touching the AVR. And I have pretty bad ocd but I have learned to ignore stuff like this because it is more trouble repairing/replacing it than its worth.
Yep, exactly why I have chosen to avoid the risk loosing money and time sending it in.. plus being without an otherwise amazing receiver for an interim.

... I actually have another issue I should mention. Pops/ crackles. Have been trying to diagnose it for months. I also had the same noises with my first A3070. The noises occur with only one UHD disc I have, Blade Runner 2049, and also when skipping timestamps/ chapters within videos/ songs, via my PC. I am at the stage where Yamaha have advised sending in the UHD disc so they can make sure for certain. Their copy of the UHD does not make the noises, they said. No one else has encountered this on AVforums. There is mention of similar noise, more so distortion of the audio track and clipping on a thread elsewhere, but that sounds like something else, to me. I have narrowed it down to be a possible mixing fault with the AVR and have tried everything else under the sun (swapping speakers, wires, a second copy of the UHD, HDMIs wiring methods etc etc), apart from recording directly from the pre outs - I need to get guidance on this from Yamaha, actually.

The timestamps the pops/ crackles occur from the UHD are,

0:02:15 - 1x pop, surround left and surround right speakers, immediately before K's ship flies into shot.

0:12:54 - multiple pops/ crackles from surround left and surround right speakers (SL first, immediately followed by SR), after the heaviest sounding pounding drum.

UPDATE: Pops/ crackles also happen at,

1:40:34 - few pops from SR, upon the heavy pounding drum

1:40:52 - loud multiple pops (loudest so far, from the disc) from the SL, immediately followed by the SR, upon the heavy pounding drums.

Appears to come from the tweeters. There is a link above between all sounds being either sudden, heavy or loud.

My set up is:

JVC X7900
Yamaha RX-A3070
Sony UBP-X700

5.1:
XTZ Home Cinema M6 LCR, SL and SR
XTZ Home Cinema Sub 1x12

Oddly, the noises disappeared for a time, after I lowered my crossovers for all speakers from 120 Hz, to 80 Hz. They returned when I installed my new projector, but not sure the reason, since I had not tested the disc since the one time I knew they disappeared. Odd!

The key thing remains as this, which I only found out in the end and which is very odd: The pops/ crackles disappear when I change my layout in Configuration Setting, to 7.1/ when I add rear surround speakers, even though I do not have any. Hence, why someone suggested it sounds to them like a mixing problem by the AVR. No one else on AVforums has tried resting their copy of the UHD in the same way, apart from Yamaha. I wonder if anyone on here might be able to try?

Again, it's the same dilemma as with the fizzing noise - I am just stuck with this.. ironically, for my own good.
 

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I totally understand your position. I don't like the noise either.

I tested my old RX V473. It's been sitting in my closet for a few weeks. Plugged it in with nothing connected (red light, standby) no noise. Turned it on. No noise. Kept it on all day until it was nice and warm. No noise. Selected it off to standby mode after having been on all day. No noise.

So. I am well within my 60 day return period with Crutchfield. I could return the A2080 and get the A3070 for $150 dollars less. Hmmm. :) I'm also considering switching to the A1080, and eventual outboard amp. Opinions?
Thank you @Matthew Pool, I appreciate it. I haven't read up on or heard any of the 80 series, so cannot comment, sorry. Sorry, I forget, do you have the noise with your A2080? I think I am holding on to my beloved A3070 till I snag a good deal on a good 13 channel amp, as I said before, my ultimate end goal with my current system is 9.2.4.
 
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