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Ultimate Audio Playback / Cables (Community induced) / Re: Cables with BNC Connectors/Adapters Are Generating A Superoir SQ
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on: October 29, 2014, 08:22:44 pm
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...
Next - although I did not sort it out - I am fairly sure we can provide BCN to XLR means in a way which comes down to almost the same as you replacing the XLR connector in your amp. So now you won't need to do that but you will have an additional connector (same like with the BNC to RCA connector which NO-NODY complains about because ... they don't know better anyway. Nice eh ?)
Hi Peter, thanks, that´s ok I´ll wait until you have that cable ready and we´ll see if I´m able to adapt it to my amps.
...Lastly, we all should not be too much "obsessed". I know, we inherently all are because of our hobby, and true, it will matter a lot. However, if you listen to Brian (boleary) and see that one can also think "why the heck would I want it better again" then this is good for your heart and mood and maybe more. Maybe it is better to think a bit about my own "obsession" ...
Peter
Yes you are right, sometimes, or better said always, we are eager to try different things to improve the sound. As you said that´s part of the game and maybe I should stay quieter but...then it would not be so fun. Wisdom is in the equilibrium, so I have to split the time between anxiety and calm or in other words between looking for and listening (music). To make things more interesting now appear opinions in the opposite direction (Paul), so yes, it is time to wait and see what others think. Regards, Juan |
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395
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Ultimate Audio Playback / Cables (Community induced) / Re: Cables with BNC Connectors/Adapters Are Generating A Superoir SQ
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on: October 29, 2014, 04:33:18 pm
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Hi Brian, thanks for the link. I still have some doubts because some days ago I put a post asking about the Neutrik adapters and transformers and it is not clear if they will work, the problem is that the RCA connector has an impedance of 75 Ohm, same as the coaxial cable, so with an adapter is ok, but the XLR connector is 110 Ohm and I´m not sure if it needs an adapter or a impedance transformer. Impedance transformer: http://www.neutrik.com/en/accessories/aes-ebu-impedance-transformers/Adapter: http://www.neutrik.com/en/accessories/circular-adapters/na2fbncI appreciate some help on this regard because I´d really would like to test the BNC cable. On the other hand if it works and I like the BNC cable more than the interconnects that I use now, what to do? I could send the NOS1a again to Peter to adapt the BNC connectors or perhaps make it here with a technician, but what happens with my XLR amps? That´s what at the end I´d like to know, is it possible to adapt a XLR amp to BNC?
Hey Guys,
I thought I would pipe in since I was using all XLR cabling, but I am now using BNC coax between my NOS1a and my MID/Tweeter amp.(balanced cabling is still being used from the crossover to the two bass amps covering 260hz on down)
Even with BNC to RCA Adaptors at the NOS1a and XLR to RCA plus BNC to RCA Adaptors at the amp input, the sound was clearly better using the 50ohm BNC cable.
And by better I mean much greater detail, better timbre, with a deeper and more accurate sound stage.(smoother and more natural but with much more information) This is readily apparent in the realism and dynamics of cymbals and violins but also in male & female vocals)
Putting the balanced cabling back in is like draping a curtain between me and the speakers. I'm simply amazed that you don't know what your missing until you've heard something more resolving and then try to go back.
The only thing I'm missing is the gain I had with the balanced outs of the NOS1a which doesn't allow me to listen to some of my classical music at full scale.
I will be trying the 75ohm RG11 cabling soon with proper 75ohm BNC connections at the NOS1a and my mid/high amp. I will also probably modify the input sensitivity of the amp to recover the lost gain going to single-ended input.
Hope this gives some of you with XLR some frame of reference.
Todd
Todd, thanks for the information. So you are going to modify the NOS1a with BNC connectors but, besides your modification of the input sensitivity in your amps, what kind of connector you are going to use, XLR/RCA and RCA/BNC? is this combination of adapters the best way to do it? Regards, Juan |
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397
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: Req: any USB cable tips?
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on: October 29, 2014, 12:54:57 pm
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Same goes for interconnects with BNC. BNC is a very valid connection but the cable quality of most 75ohm commercial grade cables is not good enough for Hi-Fi.
Hi Robert, the amazing sound of the NOS1 with a BNC cable connection to the poweramp is dependent on the NOS1 (Christmas is coming soon), because with other DACs (Weiss) I did not get the same results by far. Prior to the 50 Ohm BNC cable I used RCA cables from Nordost (Valhalla) and later on one from Entreq. For a second hand Valhalla 1m RCA we have to pay at least € 1400,00 in Europe, and we get a first quality 1,5m BNC cable (RG223) for less than € 100,00. Joachim Hello Joachim Not sure but why are you not using XLR Cables? Is there any thread here explaining why BNC would be superior to even XLR? Speaking of XLR and Cables.... maybe people do not used them with their Phasure setup here not often. Regards, Michael Hi Michael, I´m using XLR cables with my NOS1a and I´d like to try the BNC cables but it looks that the XLR/BNC adapters do not maintain the BNC impedance which seems to be essential to get the sound the BNC cable. Maybe someone has a solution for the ones that use XLR connections in order to use a BNC cable, or is it impossible? Kind regards, Juan |
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399
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: Req: any USB cable tips?
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on: October 20, 2014, 06:56:54 pm
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A bit stupid that the Supra is nowhere on stock else than in Sweden (as it seems). I never like to wait forever ...
So this is the only reason I did not try it myself - really.
Peter
You can find it in Amazon UK or Amazon Spain Regards, Juan |
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400
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: Req: any USB cable tips?
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on: October 20, 2014, 03:14:23 pm
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I´m using a Mapleshade USB 2.0 cable with the NOS1a as I did with the NOS1 and the results are great. Listening The Moody Blues "Nights in white satin" I can perceive much more ambient with this cable than with others, music and voice seems to be in a big space with perspective and a lot of air around rather than being a flat sound in a constrained place. This is an old recording but the ambient can be perceived, or not, easily with one cable or another. Another option I would not discard is Peter´s standard cable, I mean the one that comes with the NOS1. This is a very cheap and common cable but for some reason I find it a very good one, very close to the Mapleshade cable although perhaps a bit smoother (which could be better in some cases). Mapleshade Clearlink Plus: http://shop.mapleshadestore.com/prodinfo.asp?number=CLEARLINK3-B-PLRegards, Juan |
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401
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: NOS1a and Q5 & W7 vs W8
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on: October 17, 2014, 01:21:37 pm
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Again the PC and surroundings is the all determining factor for SQ.
Hi Coen, Very interesting your conclusions of that there is influence of the PC hardware in the SQ or, in other words and if I´m not wrong, that the NOS1a is not totally isolated from the PC hardware. Although I understand Peter´s last post this isolation issue maybe would need further details. Taking a look at the configuration of your PC I see that you are using a Megahalems passive cooling (no fans running), would you tell me please what Megahalems model are you using and, if possible, could you put some pictures of your PC? I still have three fans in my PC and I would like to try it totally passive. You have also the "Power cable PE not connected, together with nos1 and poweramp in "audio" strip". Does it mean that the PE not connected is only the one in the cable from the power strip to the wall? or the power cables from the NOS1 and power amp have also the PE disconnected? Would you please put your XX settings in your signature? sorry but I don´t remember. Regards, Juan |
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404
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Ultimate Audio Playback / Orelino / Orelo MKII Loudspeakers / Re: Mani's Orelo MkII speakers
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on: July 28, 2014, 03:51:19 pm
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Hey, it's been quiet around here for a while. So I thought I'd give an update on my interconnects...
...What can I say? The sound is great with the 10m ICs I bought through Juan. I mean, really, really great. If I was being really critical, I'd say there might be a very slight loss in dynamics compared to the 2m RCA ICs I was using before, but quite frankly any such loss (if indeed it is really there at all) is nothing compared to the differences between various recordings. And furthermore, there seems to be no attenuation of the HF at all (that I can hear, at least).
So for now, I'll continue using the 10m XLR ICs. They really shouldn't sound this good considering the non-balanced nature of the setup. But they do, and that's totally fine by me.
Mani.
Hi Mani, I´m glad that you get such a good sound in your Orelo with the 47pF cable. Let me say that we also make this cable but with RCA/RCA, it has the same structure than the XLR/XLR but without the ground wire. Kjell got one of this 47pF RCA cables so he could tell us how it compares with the XLR he also has and if he finds any difference. (Kjell, we know you're away from home and we are as anxious as you to see how your new Orelo sounds after the break-in time  ) Btw, we are making also a power cord that I think could be of interest for systems with auto amplified speakers like the Orelo (of course also for other systems). It has only one plug to the wall and up to four IEC connectors with all the connections in star (all components are powered and grounded from a single common point). This cable lets connect, in practice, all the components directly to the wall in one shot while preserving a path 100% shielded. The power distributors or power bars are useful for their flexibility, but typically have two problems, unnecessarily multiply contacts (IEC inlet, inside wiring, connection sockets, new connectors on cables associated input and output, etc.), and often wiring are not in star, so the ground potential is not the same between the connections, resulting in ground noise that generally affect more or less the sound. This cable avoids these problems. Just a humble contribution to get everything a bit better. If anyone is interested please PM as I have no website. It is pure craftsmanship at very affordable price  Kind regards, Juan |
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