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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="Paul S"] it would be great to lower the noise level of the vacuum, by any means available. Perhaps NG might have used quieter components and/or designed it differently. However, I see no practical way to remote the motor for the disc-sp...
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The best midrange comes from compression drivers, it has that minuteness, transparency and dynamics that no other topology can offer; the main problem with them is that they only cover a very specific mid frequency ran...
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Thanks for the wise, simple instructions, Roman, also useful to others, I believe... that's what I actually do since I - 'twas ONLY 15 months ago... - became conscious of the limits of my tuning-by-ear and got my IVIE IE-30 with Class A measurement m...
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[quote user="decoud"]For what it is worth, unless you are irradiating a concert hall, the SH50 is perfectly adequately driven by a 15W single 845-based SET, and I will shortly find out what it sounds like with a full range Melq. [/quote]Probably 15W ...
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In considering integration of my own mid-bass horns, and how I'd ideally like to do it, I too passed by the underground, up-firing solution, and very much like this approach. I do however have a preference for inverting the concept, resulting in a do...
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The fact is, typical "stereo" L and R separation is mostly an engineering hodge-podge to begin with, and any further messing with it will be very much settled by ear, whether at line or at speaker level. Yet James Bongiorno set out to "solve" the pr...
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Ok, I have been experimenting with placement : Long wall versus short wall. Though the frames have wheels and roll very easily, my room is cursed with an elevated platform smack in the middle of everything (about 14 inches higher than the main floor)...
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Sorry, I do not share your sentiments with those 3 reasons. Below are my reasons.
[quote user="jessie.dazzle"] Three reasons:
1) To try high passing your upper-MF channel (S2 > 400Hz horn) above the 1250Hz secondary resonance assiciated ...
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KS, I am not following what is your problem is. The “big bass box” is unknown height. Let say that it is it 36” then it will have MF sitting about it. The lower midrange horn with 800hz crossover pint is sitting above MF. So, everything is fine as fa...
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RomyIt's topical to ask, since I'm building a 4-way system at the moment ..( Tapped horn behind and three-way horn system in front )Do you favour the tweeter horn to be placed at the top, above the mid/HF horn , or in this situation place the tweeter...
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[quote user="Paul S"]But now I am stuck thinking that if the DSP/LF amps curves are aimed at 19 Hz, and 19 Hz is limited to 88 dB, then an equalized output might also be limited to 88 dB before clipping and/or "unacceptable distortion" from the LF co...
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When listening to stereo, we initially have 4 images to deal with. Th right speaker to the right ear, the right speaker to the left ear, the left speaker to the right ear and the left speaker to the left ear. Broader images can be made when we “cance...
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The Other End of the Single End: Modern Horns Done With Flare An Interview With Dr. Bruce Edgarby Dave Glackin, printed in POSITIVE FEEDBACK. 1996
Dave Glackin interviewed Dr. Bruce Edgar in his home, prior to the 1996 WCES. A follow-up on the speak...
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Just how important are subharmonics and undertones in audio, and how they affect tone? I played around for a while with the Townshend supertweeters, this is a ribbon tweeter that you can barely listen to: you plug it in and put it next to your...
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In the absent of any counter hypothesis I stick to mine. By introducing a relatively high level of harmonic distortion at the beginning of the amplification chain with "natural" decay structure the result that reaches our ear/brains is most pleasing,...
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N-set, if you have an unused circuit in the apt., then its neutral may be an acceptable ground path (neutral stays "on" even when breaker is "off"...).Re, the phono calibration, I have expounded the SRA at length in the "Vinyl Ceremonies" thread. As ...
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Decoud, in order to say anything useful I would like to know to the following: 1) Where the tweeter will be installed? 2) What the size of the room? 3) What are you planning to install the speaker in your room? 4) What LF solution do you consider...
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The following reflects the current state of my understanding, and in some cases, my opinion... I welcome and very much value other points of view.Max, regarding B&W and Color : Actually we do agree here ; I did not write (nor mean to suggest) tha...
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Romy, I have been trying to explain to myself what happened and how I got to it and trying to recreate this wonderful boiling point.
I tried to make a write up of all the steps needed in order to make it happen, but it is ever so elusive. I ...
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[quote user="Wojtek"] Why can't you just stack them inserting new horn in between midbas and midhorn and keeping your original arrangement? Since your midbass sits on the floor, the tweeter still should be on resonable hight.I would transform your fu...
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...IMO, at least. I strongly believe the name of the publication game is entertainment and the vehicle is audio-visual hardware "news" & "opinion" & pictures.[quote user="guy sergeant"]I stopped paying any attention to the ravings of magazine...
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Romy,In response to your response to what I did not say but implied....I decided to put the question here instead, where the light of enquirey might shine upon several different facets of investigation.Firstly, I'm still interested to know if you are...
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As the builder behind these horns, I can answer some of your questions. It's true, I was primarily focused on the woodworking/building side, and now I'm experimenting with amplification and crossovers. I can't speak authoritatively on those subjects...
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[quote user="IslandPink"]Do you favour the tweeter horn to be placed at the top, above the mid/HF horn , or in this situation place the tweeter between the bass/mid horn and the Mid/HF horn ?
To clarify -Bass/mid is a rectangular Tractrix with...
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[quote user="Romy the Cat"][/quote]This is a technical post.I've made some progress on my assault on the above version of EAR 834. After hard (mostly because of my idiocy) labouring through the soldering, I've creeped to the level where I can make so...
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[quote user="Morfeas"] Fs of the driver is measured at 32HZ matched for both channels. [/quote] Manolis, if you have 32HZ of loaded driver resonance and a large throat in such a short horn then I would propose that you have your 50HZ not from the loa...
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[quote user="Romy the Cat"]He use Magico monitors and with 91dB sensitivity and 4R impedance I would be very surprised it I see any SETs in there. It even more interesting that his Magico speakers are sitting right next to the wall. I do know how Mag...
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After much listening and measuring I convinced myself that there is no way for me to escape the use of the 24dB per octave slope if I want to keep the sound of my midbass horn not violated. I also have to admit that I will not be able to render 4th ...
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well i never thought i would be opening such a pandora's box with this combination.firstly,the drivers have the plastic surrounds(whew,lucky!i know the diaphragms are potentially harder to source than the drivers)what indicators or criteria would mak...
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[quote user="jessie.dazzle"] Though the frames have wheels and roll very easily, my room is cursed with an elevated platform smack in the middle of everything (about 14 inches higher than the main floor), and to move the horns up on to or down off of...
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All context of this site except the Forum's posts
Copyright © Roman Bessnow 2004-2024
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