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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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[quote user="Gregm"]It doesn't seem prudent to look at the speaker without considering the amplifier at all. We would be designing a speaker that would work with a theoretical amp -- but not one that's available.[/quote]
You are right but the opposi...
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Perhaps more like sour grapes. I would have to totally re-think my system in order to use it. And maybe I have somehow "idealized" the 45 because it is "just out of reach" for me? In any case, good for you. It will be interesting to read of your i...
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I am sorry; I do not follow what you are saing. I see no relation between a need to use a crossover with DSET topology. The Cat...
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Romy, do you have a panel meter on the DHT channel? I am currently designing the chassis for my DSET and looking at your schematic there is no panel meter for either driver or DHT. Just trying to figure out what would be useful to have in my amp.Re...
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[quote user="anthony"]I woke up this morning to have the brightest thought that my DHT issues are probably caused by how I have wired up the filament transformers. [/quote]After rewiring the filament transformers this morning, I have spent all day tr...
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First of all we need all to understand that all channels attenuators need only for setting up phase of playback live. When the installations are set up properly then it is all not necessary. Anyhow, if the upperbass has less output then you might use...
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Hi Fellow Forumers,This is my first newbie post :-) Do any of you have any experience with running a Lundahl 1627 in a Full Range Melquiades with Avantgarde Duo Omega speakers?The other options are to get some custom Amorphous OPT's <50R 350mA 8:1...
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Thanks Romy,I was hoping to hear that you remain happy with your midbass solution and was surprised at the time about the small cabinets that you used for the Vitavox 15"ers, but having measured T/S parameters of the drivers here I can see that indee...
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To save people from researching the differences between Romy's and my systems, I'll note the principal differences here, ignoring our ongoing mid-bass projects, which will be different, but both are incomplete, so not yet in the picture.As concerns t...
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[quote user="Romy the Cat"]Anthony,
First, your measurements again the “appropriate load resistor” has very little practical meaning. The
drivers is a dynamic system that has impedance not resistance and the impedance
varies with frequency. So...
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BTW, NL I do not know your playback and therefore ask. Using your sausages of the DHT, do you DSET them of you drive with 45 amp the whole range? If you bi-amp then what you use at the bottom? I have reasons to ask I have some concerns.
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It is a RAAL Lazy Ribbon with the integrated transformer doubling as DSET OPT. Surprisingly, I started with a 4th order high pass filter which has steadily migrated back to first order...and it works.Next step is to trial a biradial horn for a bit m...
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[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...
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Dominick I do not know what you asking and what you want to do but there is one area in your post that I would like to comment upon: the channel tuning in context of DSET.
The channel tuning is amazingly powerful tool, however it useful if all 3 co...
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What i'm asking is for candidates that lend themselves to what i want to do.Which is to find or build a pair of 'monoblocks' that can be successfuly modified into a potentially multi-channel tuneable amp.Can you clarify what you mean by 'properly' re...
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A little update : Reading some recent comments in the "Configuration from Italy" thread: http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=12605#12605 prompted me to share what I've recently done. Yes its an obvious thing to do, but it took...
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It looks like the hornresp-heads over DIYAudio.com got their Fane Studios and it looks like they like it. Some of them not realize that Fane 8M is sort of DSET Trojan Horns as they will not be able to defeat Fane’s VC inductance with single serial co...
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Nope, I do not have the itch with ULF sound but I do have a mild itch with ULF concept. The itch is not strong enough to make me to do something but I would like another day to push the boundary of reality and to see what in behind the rabbit hole. L...
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In loudspeaker and amplifier design we could use more channels to have better result (like 12 channel DSet concept) but i never seen any DAC/Pre to have more channels.It seems i am speaking about moronic idea but it is interesting to me think about t...
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Hi Romy,So, six channels are now operational in the first DSET. By up I mean the anode voltages on all tubes is about right and the currents are in the ballpark of where they need to be. I am yet to check the DC Offset so hopefully that goes ok.Ini...
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I too plan to build Milq, but the DSET version. Nonetheless, I am following this thread, and any information will continue to be appreciated. I'm in no rush, and not even starting actual construction yet, as I want to build horns first, a...
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Hi romy, thanks for info. I am going to stick with the 2-stage plan then as it will not be DSET but full range and my mid-bass is somewhat barbaric at this point. I have found someone to build for me, though we have not discussed fees yet. ...
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[quote user="Paul S"]There is also something to be said for continuity, so one does not wind up with a lot of "optimized" parts. I wonder whether having a different tube "signature" for each "channel"/driver would work out.[/quote]Absolutely. It wa...
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[quote user="Merlin"]... my own feeling is that David Berning's solution is both neater and more practical - the only impediment ot it's acceptance, the dogmatic approach of many thermionic die hards. My experience suggests it's their loss. [/quote] ...
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This makes it clear. I will give some further thought to my next projects based on these ideas. There is a trade-off when optimizing the output transformers in this way - when listening to each channel during construction and testing etc. it will be ...
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He might argue were it not for the market of the deaf he would not have the money to experiment for the benefit of those few with musical hearing. But it is odd that the desire to maximise his creative leverage has not yet compelled him to move into ...
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Still partially wrapt in mystery, but here is potentially the first SS DSET:http://www.firstwatt.com/sit1.htmlI say potentially for that is not naturally Pass's direction, but each monobloc is designed to be tunable to its specific speaker....
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Merlin, early in the thread you seemed to be enjoying your position as the only person who knew what the hell you were talking about, and not much has changed since. Are you trying to share what you know or hold fast to some pre-conce...
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W,
Be careful with Milq’s LF channel. When you go for a dedicated LF SET and make the SET to operate very low then you need very precisely dial in the loading of your out tube with the behavior of your LF drivers/enclosure. Without know the very spe...
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I got new coils for my MF DH DSET output transformer. To read more about it: http://www.intactaudio.com/forum/viewtopic.php?p=4171#4171...
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