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Ultimate Audio Playback / Chatter and forum related stuff / Re: Oddiophile on youtube
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on: October 06, 2014, 05:05:38 am
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There is a very good speaker manufacturer here in Australia that has progressed from brass to copper driver screws. Apparently it was something that he wanted to try for quite some time and he got one of the local golden ears to come in and blind test to see if it was a crazy notion. End result is that he now offers kits to upgrade his older speakers.
Be very careful to tension of the driver screws carefully to their proper value...very important.
Anthony
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440
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Ultimate Audio Playback / Orelino / Orelo MKII Loudspeakers / Re: Paul's Orelino speakers
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on: September 17, 2014, 12:09:41 pm
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The ROOM is the thing, always!!!! 75% of the SQ is the room!!!! Especially for the bass, the room is king. I hear you guys. But you know, I've owned a whole bunch of different speakers these past 5 years or so, and the bass has sounded totally different from all of them... in the same room. My Wilson-Benesch Chimera speakers were 'boom, boom, boom' - way too much unfocused bass from their 4x 10" bass drivers and two downward-firing ports. The Quad 2905s had a beautifully balanced sound, but just not enough dynamics to sound real. I could go on... Yes, the room may be a contributing factor. But I'm convinced that Paul's Orelinos would sound as good in my room as they do in his. My Orelos should sound at least as good. I have two hypotheses as to why they currently don't: 1) My Orelo 15" bass drivers are simply not burned-in/loosened up yet. This really could be the main problem. Even at fairly high volumes, they are hardly moving. So how long would it take for them to loosen up under normal usage? 2) The Orelino 12" drivers are simply 'better'. I'll leave defining 'better' for now. In any event, I'm determined to get the sound I want... in my room. Mani. Hi Mani, The rooms that I have heard that sound 'great' have all been measured and meticulously setup to get the bass as right as possible. I have no doubt that each speaker system you have had in your room has caused a different room reaction and now you are using front loaded open baffle bass which is likely a different topology again. I think it likely that one of the reasons that Paul's Orelinos have good bass is that they are effectively a gazilion miles into the room because the OB's shoot back into a generally round conservatory. The wings and midrange horn are quite directional and would probably let you get the speaker close to the wall without too many impacts, but that OB firing into all that space is in my eyes where Paul's magic is coming from. If the room is the big problem, then playing with the Orelo MKII DSP is unlikely to yield much improvement because although it will change things it is unlikely to fix the problem. However, measuring the bass in the room and getting some advice about room treatment and speaker position will likely give the biggest improvements. Regards, Anthony |
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442
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: NOS1a and Q5 & W7 vs W8
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on: September 01, 2014, 11:21:27 am
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Surely someone else would have noticed this. Anthony, then you go claim that both sound the same ? Otherwise you ask rhetorical questions with the most obvious answer that I don't know (and I am saying that from the start of W8 - there HAS to be a difference and I don't know where it can be, but at least I think I am one step further now). On a side note (or not) what always puzzled me is that AmirM (former lead developer of Vista Audio Team) was asked the question (WBF through Mani) and he didn't even respond. Why ? But the most logical is it has to be in "USB" somewhere. At least from that I can reason that a digital loop-back (to check bit perfectness) not necessairly travels the same path as when we go to a DAC. This is all driver stuff with also the notice that W8 is totally different here than W7 (with btw "solutions" in 8.1), and OS/X being even more of a mess. IOW you don't know what (audio) driver developers all have to do in order to let USB work decently; it's completely tweaked by now (OS/X worse than W8). What's a bit new is that I'll receive a new library for the driver which in my opinion can solve the stopping of W8 after 10.x minutes, which some people still suffer from. The message : It can happen that W8 forgets to ask for a new (audio) package, so the PC actually doesn't send it and sound stops. Notice this is a derival from other issues solved in this library and whether it really solves that problem is to see, but it is (hopefully) a clear example for you. Peter Hi Peter, Sorry abut the semi-rhetorical questions. I guess that I never thought that the frequency response would be anything but flat in any operating system...just too basic an assumption in hindsight obviously...surely not difficult to get right. Regards, Anthony |
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443
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: NOS1a and Q5 & W7 vs W8
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on: August 31, 2014, 01:04:53 pm
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Peter, I am having a serious wtf moment reading this.
You are saying that w7 has a 2.5dB 'lump' in the frequency response at 90Hz that is not present in w8...am I reading that right? How does this happen? Surely Microsoft would have noticed this. Surely someone else would have noticed this.
I can't even figure out the mechanics of how this is possible let alone why Microsoft have left it un-resolved (although something seems to have been done for w8.
This all makes me wonder why w8.1 could not be made to sound good.
Anthony
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445
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Ultimate Audio Playback / XXHighEnd Support / Re: New Filter request(s)
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on: July 24, 2014, 08:38:36 am
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I will compare tomorrow with 1.186-d and original AP that I was running before my holiday, but 1.186-i does sound very nice.
Hi Peter, I am going to need to spend some more time listening to the Custom Filter to get a good handle on it. It definitely sounds "warmer" and I do enjoy the resolution of steel strings that it has enhanced but I just wonder if some things sounds a little bit "the same" i.e. not enought variation betwwen the same instrument on different albums. Not sure at the stage. All was going well until I put of a couple of "warmer" sounding albums and I was not so convinced. Anyway, I will listen for another week or so and then switch back to standard AP and report back. Cheers, Anthony I have lots of hours up with the new Custom Filter in 1.186i with my NOS1 (not the a version) and I was really enjoying the music today so I thought it would be a good time to check back to standard Arc Predict. Well, what to say, but Arc Predict sounds 'truncated', like the top end has been removed. It is flatter sounding and a bit dull by comparison. There is less jump and less dynamics and I guess that is to do with there seeming to be less HF information. So wow Peter, I think that this filter is a very significant step forward and I can't wait to see what else you come up with. Can you please tell me which sampling rates this filter works with or does not work with? 16/44.1 obviously is included, but are others like 24/192 or 24/88.2 etc. included in the supported Custom Filters? Cheers, Anthony |
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446
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Ultimate Audio Playback / Phasure NOS1 DAC / Re: NOS1a : A new "tweak"
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on: July 21, 2014, 12:05:40 pm
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At this moment I don't know yet how to measure this effect which should enter via the backdoor (via mains I mean), but I think I will be able to close that door. And if then the cable doesn't make a difference any more, we'll at least know what the next steps can be.  Ok, I see your reasoning here...noise IS being blocked from the front door (the USB port of the dac) but some of it is coming through the back door (via the mains power). Peter, how likely do you think it is that some noise is getting in through the window (or airborne)? Guys, when you tested the longer cables did you place the NOS1a further away or was it in the same position when you did your listening tests? Cheers, Anthony |
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449
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Ultimate Audio Playback / XXHighEnd Support / Re: New Filter request(s)
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on: July 08, 2014, 10:01:11 am
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I will compare tomorrow with 1.186-d and original AP that I was running before my holiday, but 1.186-i does sound very nice.
Hi Peter, I am going to need to spend some more time listening to the Custom Filter to get a good handle on it. It definitely sounds "warmer" and I do enjoy the resolution of steel strings that it has enhanced but I just wonder if some things sounds a little bit "the same" i.e. not enought variation betwwen the same instrument on different albums. Not sure at the stage. All was going well until I put of a couple of "warmer" sounding albums and I was not so convinced. Anyway, I will listen for another week or so and then switch back to standard AP and report back. Cheers, Anthony |
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450
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Ultimate Audio Playback / XXHighEnd Support / Re: New Filter request(s)
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on: July 07, 2014, 10:33:06 am
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Hi Peter,
I don't know if it is because I have been listening to iPod audio at my friends place for the past 3 days or whether the new 1.186-i Custom filters are revolutionary, but since installing it when I got home from a short holiday this afternoon the sound is truly holographic.
I will compare tomorrow with 1.186-d and original AP that I was running before my holiday, but 1.186-i does sound very nice.
One question though. If I just select AP in 1.186-i is this the standard AP that I have been running for the past year or so or have you altered it? In other words, do I need to run 1.186-d again to get a decent comparison or can I just flick between AP and "Custom"?
Regards,
Anthony
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