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Post by MikeMusic on Nov 13, 2021 9:51:43 GMT
Go for both, you won't regret it
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Post by MikeMusic on Nov 14, 2021 16:27:11 GMT
Go for both, you won't regret it Stop ! Brand new from Kemp is the very same price. Get two Kemp SNS plug
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Post by brettj on Nov 14, 2021 18:51:22 GMT
Go for both, you won't regret it Stop ! Brand new from Kemp is the very same price. Get two Kemp SNS plugUnfortunately it reads unavailable.
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Post by MikeMusic on Nov 14, 2021 19:32:35 GMT
Curses. Foiled again
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Post by brettj on Jul 1, 2022 10:49:03 GMT
I have on my radar a Sercal NoNoise Ultra SE filter.
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Post by nicholas on Jul 1, 2022 21:04:03 GMT
Got one for me missus... didn't work.
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Post by orange55 on Oct 5, 2022 11:26:17 GMT
Thank you for highlighting what has been going through my mind. There is an additive effect here, but of course the order in which I introduced the plug-ins was random according to when I bought them. I mentioned that they interact - they really do and, if I have many of them in place, removing one may show a change or may not. This interaction may demonstrate that they behave 'as a whole'. Also, there is the question of what is there above 10MHz that I'm not measuring? That could tell a different story and some of the filters may start reducing noise in the higher spectrum. What I have done, which I've not known before, is pick the two that definitely reduce noise, the Kemp and Sercal, plus the Protek which protects but has no filtering effect, plus the Harmonix which has no filtering effect, and plugged them in while looking at the meter for optimum effect. I'm going to listen for a few days to see if just these ones can perform at the level I'm used to. If so, my conclusion would be that the rest kind of cancel each other out. I'm not there yet and still thinking about it all. The meter certainly shows up light dimmers as terrible sources of noise, throwing the meter into a frenzy. This is known and understood, so the meter is definitely measuring badness of some kind! MartinT are you able to point me to the thread where you gave your subjective review on the plug-ins, before using the measuring tool? Thanks.
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Post by MartinT on Oct 5, 2022 11:59:44 GMT
I don't think I ever did a group subjective review of them together before I measured them. Certainly my rough finding is that the SNS and NoNoise do seem to have the most obvious and positive effect while some others appear to do nothing. It's hard to make global recommendations, though, as every house and environment will be different, with different sources of noise and possibly different spectra.
I've ended up using the SNS and NoNoise in my room and taken all the others out of circuit.
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Post by orange55 on Oct 5, 2022 12:22:28 GMT
I don't think I ever did a group subjective review of them together before I measured them. Certainly my rough finding is that the SNS and NoNoise do seem to have the most obvious and positive effect while some others appear to do nothing. It's hard to make global recommendations, though, as every house and environment will be different, with different sources of noise and possibly different spectra. I've ended up using the SNS and NoNoise in my room and taken all the others out of circuit. That's great, thanks. Is this the No Noise, as it is the only one I can find online? www.fidelityaudio.co.uk/no-noise-ultra-se-48-p.asp
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Post by MartinT on Oct 5, 2022 12:45:09 GMT
That's the one, although the price has gone up
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Post by mattspl on Oct 5, 2022 20:48:35 GMT
Do you tend to plug these in near the Hifi, or near offensive equipment on the same circuit, or near things like fridges, even if on a different circuit?
Thanks Matt
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Post by MikeMusic on Oct 6, 2022 9:09:07 GMT
Close by for me Think Kemp recommended that for their SNS plugs On the same circuit
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Post by orange55 on Oct 6, 2022 9:20:08 GMT
Do you tend to plug these in near the Hifi, or near offensive equipment on the same circuit, or near things like fridges, even if on a different circuit? Thanks Matt For me I have a very specific use case. In some parts of my house I have to run Ethernet over mains as there is no way of getting Ethernet to some parts and wifi is for iPhones only in our house. I am going to plug the filter directly into the Ethernet Over Mains unit, which has a plug socket in it. I have tried the Russ Andrews Silencer a while back and it made a small difference, but not enough to keep it. The system has moved on a bit now so I am expecting with the No Noise SE for it to have a bigger impact. I like the mission of removing all noise that MartinT has stated a few times in these forums. I already have upgraded power supplies on routers etc; :-)
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Post by MartinT on Oct 6, 2022 9:30:16 GMT
The problem with Ethernet over mains is that it runs contra to what we're trying to achieve by injecting 'noise' into the mains.
For that reason, I don't use such devices or a smart meter.
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Post by MikeMusic on Oct 6, 2022 10:22:16 GMT
The problem with Ethernet over mains is that it runs contra to what we're trying to achieve by injecting 'noise' into the mains. For that reason, I don't use such devices or a smart meter. "Smart meter" Didn't know they added noise Will we all have to have them eventually ?
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Post by orange55 on Oct 6, 2022 10:31:01 GMT
The problem with Ethernet over mains is that it runs contra to what we're trying to achieve by injecting 'noise' into the mains. For that reason, I don't use such devices or a smart meter. Yes I am aware of that. I have dedicated circuit for my main system, which does not have any Ethernet over main on it. They are on other circuits, not ideal I know. However, I have tested the system by removing all Ethernet over mains devices from the house and I could not hear any difference. I did this over a period of time also rather than just an A/B type testing, as when you add things back it in can sometimes be more noticeable than when you remove them, if that makes sense.
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Post by mattspl on Oct 9, 2022 14:01:15 GMT
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Post by MartinT on Oct 9, 2022 14:11:00 GMT
Never tried it. It would be interesting to know whether it could outperform 4-5 Kemp SNS and Sercal NoNoise plug-ins dotted around the ring mains.
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Post by MikeMusic on Oct 9, 2022 14:58:30 GMT
That's real money Could be good. A lot for a punt though
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Post by julesd68 on Oct 9, 2022 15:10:35 GMT
"Please allow 600 hours minimum burn in time." I guess a 30 day trial is out of the question then.
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