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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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My amp is a stereo 2a3 / 45 .
Lately I find my self listening in mono because of the area of my apartment and because I can focus better on the reproduction .
So this is not a stereo / mono discussion , just better for my needs .
Im planning...
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[quote user="coops"]'Closed bottom'?[/quote]
Look for the James’ thread about “Barn Conversion” :
http://www.goodsoundclub.com/TreeItem.aspx?postID=3663
we were taking there about the “opened bottom” and “closed bottom” solutions. The Cessar...
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Romy, Some very good points here... if I downloaded the correct schematic from your site for the 6-channel Melq amp (also has the term DSET in the title) then you have created a 6-channel SET amp with built-in crossover points. Your first ...
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One of the challenges I see for my midbass horns is to minimize hf output. The goal is to operate the horn in a bandwidth where it can cross to the higher horns, and have each horn function in their best sounding manner. My drivers are Altec 515-16...
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This is something I have been at for the last few years, I have tried a few drivers, at the moment some of my favorite are the vintage RCA MI 1443, yes filed coil and some funny cone diaphragm, they are used from 500 hz to 5 khz with a Fostex T...
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Listening the argument of the field-coil’s people I note that they constantly stress the demagnetization subject of the driver’s magnet, advocating that with electromagnet “the field coil will always produce the same strength now and 100 years in the...
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Now that the preliminary excitement of my ingenious idea wore off, I'm ready to share it and accept the harsh reality of any shortcomings... but seriously.
For a while now, I've been been working on optimally integrating my 3 channel...
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Hm, very different and very opposite result, interesting. Are you using the same S2 diaphragm as I do – the metal suspension? If yes then it would be the only one explanation that I might come up with.
Sometime the compression drivers with horn form...
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From the perspective of pumping of atmospheric pressure the ALE bass drivers might be more capable transducers. It or might not be so as well. To get 40Hz at 110dB in 5” it would take some excursion. I am sorry but you can’t bend the law o...
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[quote user="MINGSU"] The 37 is 20 year old model and it is not in production anymore. The current production model for export market are 370(110dB), 370DX(113dB), 3880S(116dB).The driver spec. is 400Hz to 18kHz but the recommended crossover range i...
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Rich,
I think it’s too early to seriously to talk about sound of your driver. As I understand you have no horn for this thing. Your comment that the driver goes all the way unto 8kHz clearly indicates that you used wrong horn before. If you stick a...
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[quote user="Paul S"] I am glad to hear that I am not the only one who is overwhelmed by compression drivers. I tried the A7s way back when they were current and everyone's favorite, and I tried various modifications with like-minded friends; b...
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[quote user="angeloitacare"] Of course, Avantgarde with their price tag never will be for mass consumption. I offered Holger then to see If I could commercialize his horns in japan, Do u know how much was the dealer price for a pair of trios at that ...
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It is interesting… complaining about the fact that the “promising to be claver” Cessaro Horn using the TAD drivers (still it is not completely known as they said that that MD driver cost €4000) I asked myself: what else they might use? Really, ...
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[quote user="CO"] I dont need flat to 20K but dropping after 10K necesetates a tweeter. [/quote]
And there is nothing wrong with it. No one 500Hz driver that said is doing to 20K in reality does it. In fact if a driver goes to 20K then the place for...
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[quote user="Markus"]Or perhaps he simply likes it to sound that way? You pursue one sonic ideal, Mr Sakuma obviously pursues a different one. The sound level - does Sakuma play louder or softer than you? My guess would be softer.[/quote]
Well, it w...
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Wow, where did you see a 1kW
amplifier that is able to produce bass that does not make you vomit? Also, why
would you need power like this. If you go with 15” high sensitivity driver,
then you would need 20-30W max. Do not forget that your objecti...
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Here is the similar approach undertaken with Altec 288C to the one that I took with my Vitavox
http://chaudioroom.com/CH288287.html
Some critiques. A minor mistake in the text is that the author says that “magnetic fields generated will go down to ...
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de Charlus, this “are not afraid of cabinet resonance per se” is complicated subject. I have raised the topic in the “How to USE “Resonating Oops” in loudspeakers” thread:
http://www.goodsoundclub.com/LatestPosts.aspx?ThreadID=3833
...
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[quote user="jessie.dazzle"]
Romy,
I'm trying to understand your logic in choosing a multi-cell design (instead of a single-cell oval or rectangular 180Hz exponential horn of the same vertical height)... Was this in the interest of achievi...
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[quote user="Romy the Cat"] ygoh wrote: 1.) Why is it that you do not support using teo compression drivers in the same throat? Is the distortions increases, such as wavefront distortion? Sure the wavefront gets spread; it is what Wi...
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hi romy
idea of a 4way speaker system. not time aligned, but in compensation mid-bass horn and mid-high would create a one point source.
30hz - ~ 120hzBass cabinet similar to bassmaxx
http://www.speakerstore...
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[quote user="Merlin"]Romy,
if you see my post you will notice that I mentioned I did not know of any drive units that could successfully be employed. Can you list some?
Here is a typical high quality 15" cone - indeed one of the finest on the mar...
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[quote user="msaudio"]Your Typical Acoustical Suspension-type Loudspeaker enclosure witch has less then 90 db at 1 watt does not belong with a horn system that starts at 110db at 1 watt, even when you ad more then 1 driver, it is still way to far...
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[quote user="cv"] Well, the Cogent (Steve Schell and Rich Drysdale) boys are building just such a beast: field coil magnet, (possible) permendur polepieces for >2T, Fs 70Hz, throat - dunno, but at least 3" dia, reduced compression ratio relative t...
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Looking at the variety of exponential, parabolic, conical, tractrix, hyperbolic and whatever ales horn profiles out there I was thinking that we probably incorrectly approach the entire subject of horn profile analyses.
We listen the horns and we fe...
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John Hasquin showed up a couple days ago and suggested that many of modern compression driver manufacturers design thier products to get the "best" publishable parameters while completely disregarding any basic horn design rules and actual sound resu...
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Ronny, it is funny because I was juts about to carve my further observations about the Sound of my monitors. Last night I was listening Rigoletto by Callas and Gobbi on my monitor. I come to an interesting observation that I would like Monitors...
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A week it trashing audio.
I finished with my client with wish I worked for a while, the contract with a new client kicks in 2 weeks and this week I do not work. Well sort of. This week is a big project on my aim – to reconcile the value of my...
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Be, this is an interesting thinking and if you are correct and if there is an opening from front chamber into magnet assembly then the volume of the magnet chamber would certainly affect the sound of the driver. The point that I argue is that suc...
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