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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="jzagaja"]To make the story short Autotech is a family business located in Lublin, Poland. Younger brothers graduated in mechanical engineering are cars and racing lovers - with scores in Europe as professional drivers and mechanics. One...
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It seems that I do agree with you about the sound of compression driver midbass.. at least from what I have heard in my own room.. I have heard the big ALE drivers you mention on a bent steel horn similar to what ALE builds, but of the owner's design...
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All-I'm optimizing new speakers, but the deep subject matter is a little new to me. Will this work?Using a pair of Welborne Labs DRD300B SET amps (tapped 8ohms) with a 3-way passive crossover to integrate these drivers. Here is ...
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"another big selling
point to me was the 505 being a low resonance compression driver..
there just aren't many drivers with a resonance in the 80 to 100 Hz
range like this driver... I have just begun my playing, but am already
quite taken by it.....
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I sometimes visit an Australian site and familiarize myself
with progress of “acg” who it trying to build Macondo like acoustic system.
http://www.stereo.net.au/forums/index.php/topic/75784-deep-end-diy-my-first-speaker-project
A few weeks a...
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Hi Romy, I recently heard the smallest Cessaro and while I felt that the bass was not adequate for long term satisfaction it was also not a total disaster. From the midbass on up; however, the speaker is simply superb and one of the very best h...
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Hi Roman et al!Allow me to introduce myself. I have followed with amusement Romy the Cat for many years. He is ascerbic and ultracritical, but he does know audio. We share many tastes, like the Koetsu Onyx Platinum foir instance, on...
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I corrected a mistake in amps construction but the thing I cannot explain is that after I picked up the drivers from Retsel they were much mellower /smoother sounding .Did hummidity change or they finally "broked -in" I don't know. Report...
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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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my vitavox S2's finally arrived today.i was not expecting great results with all the warnings i read on this site,especially with the klangy stock 4 cell 330hz vitavox horn.i know refinement when i hear it.i have heard avantgarde's duo, trio,i even h...
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[quote user="nl"] However, these sorts of basshorns with twin 15" drivers and a very large mouth (larger than the cones of the drivers) have a long history. The Altec 210 cabinet, as used in the Altec A2 systems with two 515-type woofers, is a prime ...
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Klaus,Yes, I assumed that you had found the spec sheet; I only included the link for the convenience of others following the thread.Klaus wrote : "...whats wrong with 9,9"? its rougly 55% of sd? you think, 43" is too short for a 62hz h...
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All below is written by Thomas Dunker
Yeah, "sound consistent independent of signal level" is a very precise way to sum up my whole speaker philosophy. Anything that is assumed to be constant, but which actually changes with signal dynamics is what ...
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[quote user="Romy the Cat"] noviygera wrote:p.s from my experience of having a 500 sq. ft. listening room with 7 ft. ceiling and having two 18" woofers in a infinite baffle configuration, it is not enough to pressurize the room. I am talking about lo...
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Lost in Space? More like Spaced out.Taking Tramadol and Soma for a cervical problem. I listened to Art of the Portuguese Fado Guitar and everything was 3D.Kidding aside, I did some reading yesterday. Some online articles on the DEQX makes me want ...
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I thought that a digital crossover had a negative impact on sound quality -- especially for use between a midbass, midrange and tweeter channels. So I made an experiment a what I learned was not expected.I used my mid horn and two high pass filters i...
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Sorry if this is OT - I could start a new thread but my post is inspired by the quote below - [quote user="drdna"]the lathe-work is rough on some of the horns. [/quote]I can't decide whether that's good or bad. I'm slowly working up to getting ...
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Hi Romy,
Well firstly on those, the tweeter is not offset to one side - it appears to be time aligned directly behind the midrange horn and upper bass unit. Secondly, that's a JBL 2405....
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Hi
Maybe you should rent the apartment over you? Nice place for sub horns,
with opening in the ceiling like our japanese friends do ;)
I am planning subhorns with floor-to-ceiling mouths in each corner of the front wall of my listening room, w...
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[quote user="Antonio J"] INTEGRATION that's the clue and that's what I always feel lacks in my room, I mean extreme integration, real integration, the feeling that the recorded bass sound has its own boundaries, not my room's. [/quote]
I do not comp...
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i have vitavox S2 and also altec 288c.i am trying to source the fane studio 8m,just missed a pair by 1 day on uk diy.until i get the fane and make a horn for it,i will use altec 515c in vot.i also have jbl 2405.yes i will definitely build the full ra...
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I gave another run to Vitavox S2 with electromagnet and while I was listening I come across to an interesting observation. I screw the S3 in 330Hz horn and was trying to run it with 500Hz crossover point. It is pretty standard configuration, the way ...
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Looking again at the EdgarHorns, the placement in the room seems nearly optimal and they are now properly time aligned. Looking at the phase of the individual drivers and listening to each of them individually revealed that the tweeter was wire...
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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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Ahm, I thought, that the midrange horn loses its directivity after 7000 and thats there I need the h-105. By the way its the only ring radiator from Coral. How can I add at the same time a first order 10k and 5k to the same driver? I always thought t...
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[quote user="stuck.wilson"] I just started using RTA as a method of evaluating my results with my own 2 way speaker system, and I'm finding that I'm ending up liking the sound of my system a GREAT DEAL MORE without the absurd notion that 20-20k is wh...
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[quote user="Romy the Cat"]I am not familiar with those types of drivers and with the results they are able to show. [/quote]
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A DSP is a great tool for modelling crossovers. It lets us experiment with a lot of things with no additional costs. There is a sonic hit, but far lower than "guessing" at crossovers.What seems to get the most traction here is using inherently well b...
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Yes, a cheap inductive l-pad between OPT and S2 in midrange channel. Interestingly, the frequency response of the first order Lazy Ribbon is remarkably similar to a response you posted somewhere on this site of the Water Drop with third order filter...
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I am new to this interesting site, and am hopeful of getting some assistance with a project. I have purchased a set of TAD 1201 mid-bass drivers to begin a 4-way active system for critical home listening. (in a dedicated room, 21' x 25' w...
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