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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Very interesting discussion. I have taken a close look at Marco's horns and am thinking about using them in a horn installation. I plan to use the TAD 4003 from, say, 1 to 8 kHz, and a tweeter above that. I would love to use horns below 1 kHz but wil...
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Forgive my complete ignorance in the speaker design, but if Edgar is right and the passive radiator has to be the last one, why not adding a sub with a passive? A sub with the same 8565 as a passive?
I hear you re the injection,...
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heres a question for the lot of you-due to general lack of many available capacitors in my shop-- i recently mixed both film AND oil caps to pull together a necessary value for a passive crossover. the GOOD of it, is that it takes away some of ...
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[quote user="from email"] …. I have the valves etc. for the Melquiades but have not built it yet. I have begun thinking about the preamplification stage. Right now it is just purely passive. Is this not the optimal input for the Melquiades? [/quote] ...
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If you do not like digital volume by Weiss there is always the passive alternative: http://www.designwsound.com/dwsblog/?p=1699...
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[quote user="Romy the Cat"]
Mumford,Let clear first with terminology. You post said about “Incorporating active crossovers into DSET” and I think it is not what you are interested;The filter I use usually called line-level passive. [/quote]I apologi...
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Hi,
Thanks for the info about transformers. It is as I expected, however, that these passive devices are not passive sonically at all. I agree with you that the higher quality of the transformers should lessen the effects I noted (if not elimi...
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Roman,[quote user="Romy the Cat"]May I ask you, this realization of yours… dose it has any “sound”. [/quote]The one we have build which is a little different (6S45 not C3g, also tried WE 417A, 437A, TX-101 Copper not silver, AN UK Line Output Transfo...
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Yes first order passive .Drop him an email, http://www.cessaro-horn-acoustics.com/kontakt.html...
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For God's sake it's an old Tannoy red with standard vintage Tannoy crossover muddied by scan speak pseudo passive radiator in accidental enclosure driven by a run of a mill Yamaha amp. ...
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[quote user="guy sergeant"]I'm not really concerned whether passive eq no feedback pre-amps have recently become fashionable. I've been using them for 15-20 years. They've always sounded more natural to me. Most commercial implementations that I...
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This is my first horn build effort. Been thinking about this since starting to build loudspeakers and finally have a listening space big enough to support a horn system. This is where I am at now, I know there are opportunities for improvement. And I...
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Found this old experiment of Romy:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?PageIndex=1&postID=26298#26298
Dannoy + 2x active paralleled ScanSpeaks in a sealed box of unknown tuning freq, b...
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“Gravity, is a natural phenomenon by which physical bodies attract with a force proportional to their mass”. Try to fuck with it!
[quote user="Kerry Brown"] Marc, please surf the web for more information, there are many sophisticated systems t...
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“Do you hear the people singLost in the valley of the night?It is the music of a peopleWho are climbing to the light.”Les Miserables
PREFACE
I would like do not shape this article as a review: I do not write “reviews” religiously and I have many re...
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ACTIVE CROSSOVERS
1) Loudspeaker drive units of different sensitivities may be used in one system without the need for lossy resistive networks ( and L-Pads ) or transformers
( DEQX lets me use 98 ...
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Folks,It is really amusing. Here I am busy myself for a while and am not looking and suddenly Roman talks about Mini Monitors and secondar phonostages.It is even funnier if you realise taht I am on a similar kick right now, simply because I am workin...
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I think that the discussion of extending response (especially LF) is the WRONG direction. We know that the Macondo/Melquiades setup had more extension and integration than is even possible with Dunnoys. I am not sure why this is even getting so many ...
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No idea how one blends in a random passive radiator, and I gave up on it after a year or two, many years ago. But if you can put your ear to the passive radiator and hear it plays up into the midrange, then you will probably want to use something wit...
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@N-set I was replying to pauls comment about giving up on blending passive radiators and trying to say I was surprised how effortless the 8565 integrates upwards into the tannoy but integrating down into another channel there is no hope. I think the ...
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i do it and i did it, but as a newcomer you have to sort out all the infos...not that easy!
[quote user="Romy the Cat"](This is normal, I have written about it many times. Those large bass drivers have a lot of inductance in Voice Coil, the inductan...
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[quote user="MINGSU"]GOTO always recommend to use 1st order active crossover and 2nd order passive crossover. The reason to use 2nd order for passive crossover is to protect the driver. Of course, the user can use whatever they like the best but the ...
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I am not too worried about the 6C33C bass, since I have other alternative. Even if lower loading will improve it, the problem is to get more power out of the 6C33C to a 40W (PSE perhaps) level to be able to drive the 12in or 15in woofer, even then th...
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Stephano Two good ears has put a post on his site about his new 4 way passive xover.I think this is a better direction than the digital xo. The designer, Thomas, designed also the preamp and I guess he has taken into consideration the input and ...
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Hi Romy,I too have for quite some time been on a quest for a truly transparent preamp. To this end I have tried some that were indeed very good such as the Silvaweld SWC 1000 that I now own and especially the Vacuumstate RTP-3d from Allen ...
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It is kind of sad day and I think I will take a break for a week or two and will not be playing with my speakers. I begin to integrate the 15-in woofer with Remedius and it was not as simple as appear. I do not think that the location when I have my ...
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Paul,My current active crossover is a DSP unit which likely has low enough input impedance and single ended inputs. I added BAL inputs by using input transformers. By no means do I want to use this combination as a representation of my crossover! I i...
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For my ears, the piano is rich in harmonics that change with playing volume BUT the only way to get a louder note is with the hammer striking the strings more powerfully which always is coupled to a louder "articulation". Violins and wind instruments...
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[quote user="noviygera"] I think clearing this up this may be of benefit to other users who are building multi-way horns.Let's say I've got two horns mounted on a frame. There's a high horn above and a mid horn below and they are physically time alig...
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[quote user="Edgar="]Not Amplitude. It's the rock solid phase linearity. It feels like a brick wall all the way up and down. I haven't looked at any graphs and haven't measured anything but that is my guess. There is no question of the great tone of ...
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