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Read the Post in new Window Read the Post in Threaded view  Post #9: The real barrier to DSET... by decoud on 2015-01-22 
Browse the content of the threads in new Window  Thread: The ultimate worst best things in audio. in Audio Discussions  8 Replies 
...seems to me finacio-emotional not technical. The Macondo and 9 channel Melquiades are really one device, essentially an active speaker. If a maker did not feel obliged to put the amp and the speaker in different boxes he would obviously optimise t...

Read the Post in new Window Read the Post in Threaded view  Post #12: Psychophysics of phase by decoud on 2014-11-01 
Browse the content of the threads in new Window  Thread: Volti Audio's Vittora in Horn-Loaded Speakers  12 Replies 
To argue that time alignment is unnecessary is to go against a very basic feature of the auditory system: sound location from phase information. But if so, then the effect ought to be frequency specific, with a much lower magnitude ...

Read the Post in new Window Read the Post in Threaded view  Post #1351: Audiofication by decoud on 2014-09-13 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
The audio product is peripheral to their main business and it is essentially the same as their standard double conversion ups. They say they have done more than change the fans to quiet, but they are short on specifics. Then again the markup is much ...

Read the Post in new Window Read the Post in Threaded view  Post #1349: Power inspired direct experience by decoud on 2014-09-12 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
It is a UK company, and Romy has unknowingly heard the AG1500 unit in my system (to the extent to which the rest of it makes it audible). I use it to drive a full range Melquiades SET, a DAC, and an FM tuner. It is carefully made, internally, and has...

Read the Post in new Window Read the Post in Threaded view  Post #2: Conversion by decoud on 2014-08-13 
Browse the content of the threads in new Window  Thread: Pure Audio Blu-ray. in Didital Things  2 Replies 
Does http://makemkv.com/ not work on these?...

Read the Post in new Window Read the Post in Threaded view  Post #23: Niche by decoud on 2014-06-22 
Browse the content of the threads in new Window  Thread: "O Vitavox, Vitavox! Wherefore art thou Vitavox?" in Horn-Loaded Speakers  22 Replies 
Rather like offering a sew-it-yourself cover for a Bentley....

Read the Post in new Window Read the Post in Threaded view  Post #41: Discrimination vs labour by decoud on 2014-06-02 
Browse the content of the threads in new Window  Thread: A DSET is better then an expensive SET in Audio For Dummies ™  41 Replies 
The logic here is that to be able to play and appreciate a Stradivarius you have to make it yourself. That is too hard a line. There are plenty of basic things that the vast majority of installations get wrong. We are talking about lifting the baseli...

Read the Post in new Window Read the Post in Threaded view  Post #38: Point vs profit by decoud on 2014-06-02 
Browse the content of the threads in new Window  Thread: A DSET is better then an expensive SET in Audio For Dummies ™  41 Replies 
The model here is not that of the audio industry but of contemporary art.  You have spent years refining the physical instantiation of a compelling idea. A patron now wants a piece of it. You have a workshop of assistants to make it for...

Read the Post in new Window Read the Post in Threaded view  Post #36: Pudding by decoud on 2014-06-01 
Browse the content of the threads in new Window  Thread: A DSET is better then an expensive SET in Audio For Dummies ™  41 Replies 
I know you do not want to do it, but it is a shame not to do it: actually manufacture a version of the Macondo with an integrated dset, cut down enough (say three channels) to make it feasible while still demonstrating the advantages of the dset idea...

Read the Post in new Window Read the Post in Threaded view  Post #9: Pin contact by decoud on 2014-05-25 
Browse the content of the threads in new Window  Thread: The RCA’s 6C33C sockets? in Audio Discussions  9 Replies 
These look like the absurdly expensive Yamamoto soundcraft teflon version, which I have used, and which do not work because the receptacles for the pins are shaped so that there is only a single point of contact when the pins go in. So the heaters pe...

Read the Post in new Window Read the Post in Threaded view  Post #7: The full monty by decoud on 2014-04-18 
Browse the content of the threads in new Window  Thread: Another (outdoorsy) sweat spot? in Audio Discussions  17 Replies 
This http://www.danleysoundlabs.com/danley/wp-content/uploads/2013/05/OS80-Spec-sheet.pdf has been mentioned before; speaker cable length is soluble, and then you use your main system, remotely controlled by your phone via wifi, no?...

Read the Post in new Window Read the Post in Threaded view  Post #12: Room-integrated solution by decoud on 2014-03-24 
Browse the content of the threads in new Window  Thread: Small spaces in Audio Discussions  13 Replies 
Paul, yes behind one of the walls is a large volume cabinet, and one of my thoughts was to put a full range driver there, controlling the enclosure as necessary, and taking into account that I am not after amazing LF here. In space that small it woul...

Read the Post in new Window Read the Post in Threaded view  Post #7: Location appropriate by decoud on 2014-03-24 
Browse the content of the threads in new Window  Thread: Small spaces in Audio Discussions  13 Replies 
Yes, listening to orchestral music in bed seems all wrong, indecent almost, hence my saying chamber music at most. So what matters here most is tone, and then primarily MF and upper bass. So the ambition is low, and I am after a simple solution prior...

Read the Post in new Window Read the Post in Threaded view  Post #4: Opportunism by decoud on 2014-03-23 
Browse the content of the threads in new Window  Thread: Small spaces in Audio Discussions  13 Replies 
Thank you both for your thoughts. The space is interesting: not a cellar, but a sleeping area just big enough to fit a super king size bed, with one of the walls being half open, so it would not pressurize quite like a fully sealed room. Further, it ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Small spaces by decoud on 2014-03-23 
Browse the content of the threads in new Window  Thread: Small spaces in Audio Discussions  13 Replies 
It has been mentioned here before that playback in cars can sometimes sound excellent, despite improbably simple implementations. Does anyone have any general comments on the elements that work well in very small spaces? The space I have in mind is a...

Read the Post in new Window Read the Post in Threaded view  Post #1271: Implementation vs topology by decoud on 2014-02-08 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
Paul, I have used in the past standard double conversion units where I have converted the fans to quieter ones, and installed controls on their speed. There is generally substantial overhead on the cooling, and these things are designed to shut down ...

Read the Post in new Window Read the Post in Threaded view  Post #1268: Survey by decoud on 2014-02-08 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
I wonder how many of those who feel the need to use a pp have tried other double  conversion devices. Rather as with amplifiers it is the core topology that matters most. A pp is just a double conversion ups, there is no other innovation in there tha...

Read the Post in new Window Read the Post in Threaded view  Post #1235: Chain of liability by decoud on 2014-02-05 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
If you bought it through a third party, then they are liable for your refund, not the manufacturer. How they get their money back is their own problem. ...

Read the Post in new Window Read the Post in Threaded view  Post #81: Milq high pass by decoud on 2014-02-04 
Browse the content of the threads in new Window  Thread: Bias help in Melquiades Amplifier  96 Replies 
The coupling capacitor is a first order high pass filter. I have .68 in there for there for this purpose. Obviously the slope will be shallow, so precision in the value will not be critical....

Read the Post in new Window Read the Post in Threaded view  Post #1212: A vote for three phase... by decoud on 2013-12-30 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
...with your amplifier project in mind, remembering the elegance of rectifying three phases....

Read the Post in new Window Read the Post in Threaded view  Post #13: Dealing with diversity by decoud on 2013-12-22 
Browse the content of the threads in new Window  Thread: A CD player of today… 20 years after TL0 in Didital Things  32 Replies 
I am sure you are right a properly implemented device would be in no need of such things, but my point was the diversity of digital forms is too great for someone to do it properly in one machine. And surely sorting out a bad digital stream *is* feas...

Read the Post in new Window Read the Post in Threaded view  Post #11: An example by decoud on 2013-12-22 
Browse the content of the threads in new Window  Thread: A CD player of today… 20 years after TL0 in Didital Things  32 Replies 
http://www.empiricalaudio.com/products/synchro-mesh Of the idea: I do not know how well it works in practice....

Read the Post in new Window Read the Post in Threaded view  Post #10: Precedent by decoud on 2013-12-17 
Browse the content of the threads in new Window  Thread: A CD player of today… 20 years after TL0 in Didital Things  32 Replies 
If the relatively recent DA11 is any guide, it is hard to be optimistic. Though offering reasonable sound in optimal circumstances it has farcically inept noise rejection via the USB input, so much so that one could use it as a "system sounds" altern...

Read the Post in new Window Read the Post in Threaded view  Post #3: An intermediary by decoud on 2013-12-09 
Browse the content of the threads in new Window  Thread: A CD player of today… 20 years after TL0 in Didital Things  32 Replies 
What about a digital buffer: a device that takes any digital stream, from whatever cheap, village source you feed it, stores enough to reclock it properly, and then feeds it out to the DAC of your choice? Since even the cheapest reading devices offer...

Read the Post in new Window Read the Post in Threaded view  Post #65: Surface vs depth by decoud on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
But is the wood not sitting on concrete, through which the vibrations from elsewhere in the building are conducted? If so I suppose the wood and the concrete will make differential contributions, and you might want to couple more proximally to one bu...

Read the Post in new Window Read the Post in Threaded view  Post #62: More logic by decoud on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
N-Set, I do not claim to add to the facts you have already comprehensively given, I am merely asking about the logic, and I do not suggest to have a definitive answer, hence my ending with a question. I can see three reasons why other people use spik...

Read the Post in new Window Read the Post in Threaded view  Post #59: The science by decoud on 2013-12-05 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
It seems reasonable to begin with the science -- as a preliminary to listening -- but I do not follow the logic here. The source of the vibration is principally the floor: the table should therefore not be coupled with spikes but decoupled from the f...

Read the Post in new Window Read the Post in Threaded view  Post #70: The lottery by decoud on 2013-11-26 
Browse the content of the threads in new Window  Thread: Full range Melquiades implementation in Melquiades Amplifier  81 Replies 
Perhaps we expect too much of these things, from a different era, and very different context of application. And I imagine the cost of the EV version would exceed the 25% attrition rate of the regular versions. ...

Read the Post in new Window Read the Post in Threaded view  Post #68: The answer by decoud on 2013-11-25 
Browse the content of the threads in new Window  Thread: Full range Melquiades implementation in Melquiades Amplifier  81 Replies 
So, it seems the replacement valve was duff. It was a 6c33c from 1966, not a 6c33c-V which I had before, but that ought to be irrelevant. Odd. ...

Read the Post in new Window Read the Post in Threaded view  Post #22: Keeping it organic by decoud on 2013-11-24 
Browse the content of the threads in new Window  Thread: Mastodont DIY Rack: Wall Mount? in Audio Discussions  68 Replies 
What about thick, oiled, soft-tanned leather, ideally hippo? It is soft and thick, yet strong. Cowhide will do, but I have not seen it tanned quite as softly. ...
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