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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="Romy the Cat"] I do not know what fantasies Tom Martin and Robert Harley had but it looks to me that Magico Ultimate II is very much the same as Magico Ultimate I, the prefix II mean a new round of marketing BS… Here are the picture...
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The Audio Fedirection guy got a new camera? I bet he did. Anyhow, the pictures are courtesy of Audio Fedirection blog.
http://audiofederation.com/blog/archives/271
As I said above - I was as queries to have a preview of that ML3 amp as I was wonder...
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Stereotimes published an article describing an installation of one of the audio Shepherded person.
http://www.stereotimes.com/jimlangham.shtml
(the audio Shepherded Type is described in here: http://www.GoodSoundClub.com/TreeIte...
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[quote user="cv"]Yet, I don't think the "safety" aspect may be neglected; I suspect he feels more comfortable with coils running at low voltage than (what I guess was) 200-400V or so. [/quote]Yes, you are right. But it must not be at the expense of t...
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yep-- i always measure first to get as close as i can get to a matched set (within a % or 2 at least!). luckily, for this application, i got 4 extras.. so i should be able to get close, and for all the sub- 1uF caps i have around for all the ot...
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Here are a few answers1. a, 84 Hz b, 4.8 inches square c, Hyperbolic exponential, T 0.8 1/2 Pi d, none so far on upper bass horn. S2 and 2405 have series capacitors feeding them. e, Eminence Kappa 12. 4. Both tweeter and S2 ca...
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[quote user="rowuk"]TH,this is very much NOT a DIY site. It is however probably the most complete collection of „SOUND as it is related to horns“ articles.I suggest that you check out things here first before asking „the wrong“ questions. The horn sy...
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TH,Avoiding mistakes is something that we would like to do. It saves time and money BUT unfortunately the science of building loudspeakers is based on specs, not „Tone“ or „Sound“. Being an engineer can help make beautiful drawings but we all learn t...
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As I understand they are 110-125Hz horns, they look fine to me. The thickness of mouth I would say a bit too thin but it is trade off as the give horn has no horizontal edge which is better acoustically even though loose slightly visually. There is o...
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[quote user="scooter"] I don't know about the SMS but a few people have tried to clean up the Behringer DCX. I pulled all digital correction out of my system before investigating further but found some interesting mods to the output stage during inve...
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Hi Romy,
I spoke to Mr. GOTO about your question today and he told me that the reasonance of SG145LD4 is at 24Hz. If customer want to build a 20Hz, he will recommend to use at least 2 driver per channel but best to use 4 driver per c...
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[quote user="Kiom"]hi alli started recently producing MDF Tractrix Horns. Size up to 1m diameter possible. shipping worldwide. prices : 48cm diameter us$600,00 90cm diameter ...
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OK, Romy, maybe more like, the presence of Music. I felt like I was getting good sound, but I wanted more of it, with "an expanding sense of it", including better "center fill". We have talked here about the technical/electrical problems inherent in ...
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[quote user="Romy the Cat"]People who read my site know that I consider Mussorgsky as the most remarkable naturally talented composer among all composers guild. Next week it will be the Modest’s 170 birthday and my WGBH will broadcast Oliver Knusse...
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[quote user="scooter"]I think that is a VERY interesting issue to think about in the broader scope of sound reproduction with full-scale systems. [/quote]I'm not sure it's so interesting in the context of speakers--you have much more parameters to pl...
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I've been reading about the acoustic characteristics of the world's great symphony halls, like Boston and the Concertgebouw. Did you know that Sabine, Berenak, and Cyril Harris mathematically defined those characteristics, using metrics like RT-60, ...
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How do I hate DIY? Let me count the ways...Is there some reason you cannot make through-holes to facilitate soldering leads to your copper sheet? Use a hot iron (800 F) and plenty of aggressive flux to pre-tin the holes... Stand parts on short leads...
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Scott, you have to find another way to post the pictures, the site has multiple options to do so but you still insist to load a binary sting – sorry it does not work. It would be nice to see the idea behind the Dean bass horn and your sketch how you...
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[quote user="msaudio"]Romy I see were you are going With this horn worship for midbass. It is the correct thing to do "But you still will not be happy with the outcome because it does no go low enough. You will not be happy with 60hz. Then you wil...
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The units that i put in my pictures JBL AND ALTEC A7 both designs have a resonance just like all wood that you would rap your nuckels on even 2 inch thick plywood will resonate at a given frequency, that goes for glass, cement, metal, they all do...
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A friend of mine showed this 5 way system at the annual enthusiasts event at Scalford Hall here in the UK.[IMG]http://i254.photobucket.com/albums/hh107/pure_sound/25917877386_6d44490768_o.jpg[/IMG]This comprises Lab Subs for LF, Some straight 80 Hz h...
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Romy notesQ[quote]
It uses at the buttom a regular sealed or ported box and the driver as direct radiator but they also put the speaker on the spikes and made the bottom looks like it is a horn output. Also at this larger model[/quote]On the smalle...
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Since I have struggled with my own +/- insurmountable problems with Lowthers, OB, BR, etc., ad nauseum, I can certainly relate generically to what you have just said about horn drivers in this injection thread.Yet this may be the only time I have hea...
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Since I changed the LF transformer and increase the output stage loading I did address the problem with power limit. It looks like now the midbass does not clip at very high power and has some headroom – that is good. I however not absolutely comfort...
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Folks,Before we discuss "high distortion" amplifiers, lets us ask what kind of SPL Romy's system produces.I don't know, so let me make some eduacated, conservative guesses.Let us assume his midrange and treble Systems are both 100db/W/m and he listen...
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[quote user="Kerry Brown"]Why preface my comments?[/quote] Because it helps to put your comment in objective perspective. It is internet and people express opinions without any tangible common denominators of reference points. I might make a comment ...
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The way I would handle this is make my own 4" exit compression driver. What I mean is select a woofer with known good sonic qualities that match your requirments. Then make a phasing plug for it. My past attemps have been decent. However, I have noti...
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Hi Romy,You wrote:"They tunes for 115Hz and pushed in room down to ~95Hz one channel and 150Hz another."So do your horns have 115Hz flare frequency? (and have the rear chamber tuned for 115Hz as well)From the pictures the horns lo...
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Hello all (from Thailand)!I found this very intersting horn society here by accident and would like to show and share my first experience with horn speakers system.It's consist of 4 way system .[IMG]http://i245.photobucket.com/albums/gg69/krairerk/hi...
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We generally accept that Mercedes Benz builds good cars. Several years ago, they invented the A class series and the German press was all excited - until a scandinavian review performed an “elk test”, a fast series of turns and braking to keep from h...
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