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Read the Post in new Window Read the Post in Threaded view  Post #12: Separate power supply configuration by decoud on 2009-02-01 
Browse the content of the threads in new Window  Thread: Bias help in Melquiades Amplifier  96 Replies 
Hi Romy,I am building a modularizable version of the Melquiades (i.e. it is full range, but one can add more channels to it) and therefore wish to have the power supply in a separate enclosure. This raises two questions:1. From what you say, points M...

Read the Post in new Window Read the Post in Threaded view  Post #11: Centering continued by decoud on 2008-12-21 
Browse the content of the threads in new Window  Thread: Vitavox S2 coupling in Horn-Loaded Speakers  14 Replies 
Many thanks, Pete, my email is my username at boltblue.comRomy, about the centering: if one casts the horns - as i propose to do, the accuracy will be close to that of the mould, which can be directly measured before the stuff is poured in. What kind...

Read the Post in new Window Read the Post in Threaded view  Post #8: Reference by decoud on 2008-12-20 
Browse the content of the threads in new Window  Thread: Vitavox S2 coupling in Horn-Loaded Speakers  14 Replies 
Very many thanks, Pete: I shall drop them a line. I don't suppose you have a reference number or something by which they could identify the job? If they have got a CAD file on it already there would be no need for them to do any more measurements.......

Read the Post in new Window Read the Post in Threaded view  Post #6: Solution by decoud on 2008-12-20 
Browse the content of the threads in new Window  Thread: Vitavox S2 coupling in Horn-Loaded Speakers  14 Replies 
Many thanks to Romy and others for the suggestions. I_should_coco, would you mind sharing the name of the company that made your adapters for the benefit of those of us in the UK? I suppose they may still have your designs, which would make it easier...

Read the Post in new Window Read the Post in Threaded view  Post #1: Vitavox S2 coupling by decoud on 2008-12-20 
Browse the content of the threads in new Window  Thread: Vitavox S2 coupling in Horn-Loaded Speakers  14 Replies 
I am constructing a set of 400 Hz resin-bonded sand horns and have been thinking about the best way of coupling the S2 to them. I can't find anything off the shelf that is 2.620 x 16 tpi, and none of the people with lathes I know have imperial kit to...

Read the Post in new Window Read the Post in Threaded view  Post #34: Metadynamics by decoud on 2008-09-18 
Browse the content of the threads in new Window  Thread: My (Amplification + Acoustic System): what is next? in Audio Discussions  41 Replies 
You mean something like this ?....http://www.freepatentsonline.com/6025754.html...

Read the Post in new Window Read the Post in Threaded view  Post #62: Ampliductor by decoud on 2008-09-06 
Browse the content of the threads in new Window  Thread: Lamm Industries: a special interview with a special company in Audio News  97 Replies 
[quote user="Romy the Cat"]...There is also no infrastructure among the park of ready to use speakers that would be accommodated to use with DSETs... The Cat[/quote]Yes, this is what I was trying to get at: what someone talented like Lamm might do ...

Read the Post in new Window Read the Post in Threaded view  Post #60: Orthodoxy by decoud on 2008-09-06 
Browse the content of the threads in new Window  Thread: Lamm Industries: a special interview with a special company in Audio News  97 Replies 
I imagine the resistance to the DSET concept does not come from idiocy - Lamm may well be steeped in vanity and avarice, but he is certainly no idiot - but from resistance to combining amplification and loudspeaker in a single, coherent, monolithic s...

Read the Post in new Window Read the Post in Threaded view  Post #9: RAID by decoud on 2008-08-18 
Browse the content of the threads in new Window  Thread: The best practices for DAW Data Storage. in Didital Things  9 Replies 
Why not use hardware raid? The system will only see one drive and if you use something like RAID 6 it will add fault tolerance. Areca adapters are particularly good, and they are not all that expensive....

Read the Post in new Window Read the Post in Threaded view  Post #25: Risk by decoud on 2008-08-14 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Yes, this is an experiment, but it may as well look good for all that. ...

Read the Post in new Window Read the Post in Threaded view  Post #23: Eastern promise by decoud on 2008-08-12 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Thanks, Romy. I suppose I also ought to check the size of the metre, unless you happen to recall the source of the one you used...Incidentally, it is possible to go all teflon & gold (including the 7-pin miniatures) from here:http://www2.117.ne.j...

Read the Post in new Window Read the Post in Threaded view  Post #21: Fitting by decoud on 2008-08-12 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Very many thanks. I do not want to make him change too many things given that he has generously agreed to keep the price fixed. May I ask what sockets you used - I could then obtain the same ones? Do not worry if you cannot remember. Regards, d...

Read the Post in new Window Read the Post in Threaded view  Post #19: Copyright by decoud on 2008-08-11 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Very many thanks, Romy. Fool-accommodated sounds good to me. I have seen the pictures documenting the process and they are very helpful indeed. John does indeed have the original drawings, but will not produce another copy until he has confirmation f...

Read the Post in new Window Read the Post in Threaded view  Post #17: Conservative casing by decoud on 2008-08-10 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Thanks, Romy, that is very helpful. I'll get in touch with John and see what he has on file. Given that this will be the first amp i have built myself treading on familiar ground is probably worth the cost of a bit too much extra room. Regards, d...

Read the Post in new Window Read the Post in Threaded view  Post #15: Enclosure by decoud on 2008-08-09 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Romy, I am getting the components together for the full range version, and I was wondering if you would be kind enough to consider making available the drawings and the manufacturer for the enclosure.  I rather like your design, and it would nat...

Read the Post in new Window Read the Post in Threaded view  Post #36: 5 inch driver for upper midbass horn by decoud on 2008-07-13 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
Romy, do you think there is enough of a chance Fane's new studio 5 incher (http://www.fane-acoustics.com/pdfs/Studio_5M.pdf) could be driven down far enough to be worth trying out for an upper midbass horn (120Hz)? ...

Read the Post in new Window Read the Post in Threaded view  Post #10: In the deep end by decoud on 2008-06-22 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Well, I am certainly planning to build it, and others may be impelled in the same direction if were kind enough to walk us through the whole ceremony....

Read the Post in new Window Read the Post in Threaded view  Post #8: Continuation by decoud on 2008-06-22 
Browse the content of the threads in new Window  Thread: Melquiades For Dummies™ - step by step. in Melquiades Amplifier  28 Replies 
Romy, can we persuade you to outline the next steps as promised in your first post....?  Since you recommend the full range amp as a starting point for all it would be very useful to have your guidance on it even if you have moved on since then....

Read the Post in new Window Read the Post in Threaded view  Post #13: Localization by decoud on 2008-06-13 
Browse the content of the threads in new Window  Thread: 45Hz Bass Horn in Horn-Loaded Speakers  23 Replies 
Annoying, is it not, that it is precisely at the low frequencies that synchrony matters most. ...

Read the Post in new Window Read the Post in Threaded view  Post #11: Mnemonics by decoud on 2008-05-11 
Browse the content of the threads in new Window  Thread: Solid state revisited in Audio Discussions  12 Replies 
Further to this question, can anyone explain the near-total absence of serious commentary on Lavardin's SS efforts (http://www.lavardin.com/)?  Whatever might be said about them, they are at least trying something different, and it does not look...

Read the Post in new Window Read the Post in Threaded view  Post #20: New FANE = precision devices by decoud on 2008-05-04 
Browse the content of the threads in new Window  Thread: Bye-Bye, Fane in Horn-Loaded Speakers  108 Replies 
The company address is the same as that for Precision Devices....http://www.precision-devices.com/...whose 10 incher (http://www.precision-devices.com/showdetails.asp?id=71) may have to do for those of us trying to build a upper bass horn without a S...

Read the Post in new Window Read the Post in Threaded view  Post #6: In the dragon's lair by decoud on 2008-04-30 
Browse the content of the threads in new Window  Thread: Solid state revisited in Audio Discussions  12 Replies 
[quote user="Romy the Cat"] I have to admit thigh that I have had in my room the First Watt amp….[/quote]Do you mean the F3? How did it sound with the Macondo?Incidentally, I gather a higher power version of the F3 is in the works, and the existing d...

Read the Post in new Window Read the Post in Threaded view  Post #1: Solid state revisited by decoud on 2008-04-28 
Browse the content of the threads in new Window  Thread: Solid state revisited in Audio Discussions  12 Replies 
I know there is enough history to put one off trying, but what about something like this recent effort of Nelson Pass's....http://www.firstwatt.com/downloads/f3_om.pdfIt is minimalist, class A, has a fuckoff flat frequency response, and what little d...

Read the Post in new Window Read the Post in Threaded view  Post #9: Space exploration by decoud on 2008-04-21 
Browse the content of the threads in new Window  Thread: Dual channel SET in Audio Discussions  8 Replies 
Yes: the parameter space seems too great to be explored at the manufacturing stage (even if one could save on labour by doing stuff abroad) unless one had limitless funds, but the RDSET you suggest should not add that much overhead, especially given ...

Read the Post in new Window Read the Post in Threaded view  Post #7: DSET without DIY by decoud on 2008-04-20 
Browse the content of the threads in new Window  Thread: Dual channel SET in Audio Discussions  8 Replies 
Thank you, Romy.  I suppose to the notion of generic optimization is an oxymoron: like talking about an off-the-peg bespoke suit. It is either Savile Row or it isn't.What would be desirable, however, is not to have to do it all oneself: where do...

Read the Post in new Window Read the Post in Threaded view  Post #5: Progress by decoud on 2008-04-18 
Browse the content of the threads in new Window  Thread: Dual channel SET in Audio Discussions  8 Replies 
Romy, can you be persuaded to post a sketch of what you think the optimal 2 channel Melquiades circuit would look like? I'd certainly like to make one, once I have finished constructing a suitable set of speakers, but - more to the point - it w...

Read the Post in new Window Read the Post in Threaded view  Post #1: Dual channel SET by decoud on 2008-04-17 
Browse the content of the threads in new Window  Thread: Dual channel SET in Audio Discussions  8 Replies 
Idiocy aside - and there is enough money in audio to guarantee not all of the pople in it can be idiots - why is it that no-one seems to have come up with a commercial dual channel SET solution: one channel for HF and MF and another for LF? While not...

Read the Post in new Window Read the Post in Threaded view  Post #50: Stereo lab continued by decoud on 2008-03-30 
Browse the content of the threads in new Window  Thread: Who builds horns? in Horn-Loaded Speakers  84 Replies 
Stereo Lab, to whom Romy drew attention at the beginning of this thread, offer their products on Ebay at what seem to be reasonable prices. See here (http://stores.ebay.co.uk/Stereo-Lab)Looks like the small horns are made of artificial stone, whereas...

Read the Post in new Window Read the Post in Threaded view  Post #7: A competition by decoud on 2008-03-17 
Browse the content of the threads in new Window  Thread: Experimental horn in Horn-Loaded Speakers  6 Replies 
One thing is certain: without standards there can be no progress (or at least no progress that can be differentiated from mere change), which presumably explains the state of audio. Why not build a suitably monumental looking horn, and advertise a...

Read the Post in new Window Read the Post in Threaded view  Post #3: Partial range by decoud on 2008-03-16 
Browse the content of the threads in new Window  Thread: Experimental horn in Horn-Loaded Speakers  6 Replies 
Many thanks for your comments, Romy. What I had in mind was not a full range horn but the first horn of a future 4-way system, as a (crude) testbed for the rather idiosyncratic method of building horns I am suggesting, and for trying out your amplifi...
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