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Read the Post in new Window Read the Post in Threaded view  Post #1: About TTH characteristic in Audio by Romy the Cat on 2007-11-15 
Browse the content of the threads in new Window  Thread: About TTH characteristic in Audio in Playback Listening  1 Replies 
I have written somewhere that 2 years ago I was fascinated with a notion of intellectual equation many ingredients of perceived Sound into one universal formulation that would objectively evaluate performance of a playback system.  It was a very...

Read the Post in new Window Read the Post in Threaded view  Post #1: About TTH characteristic in Audio by Romy the Cat on 2007-11-15 
Browse the content of the threads in new Window  Thread: About TTH characteristic in Audio in Playback Listening  1 Replies 
I have written somewhere that 2 years ago I was fascinated with a notion of intellectual equation many ingredients of perceived Sound into one universal formulation that would objectively evaluate performance of a playback system.  It was a very...

Read the Post in new Window Read the Post in Threaded view  Post #1: Getting more from MF channel: AMI™ solution by Romy the Cat on 2009-11-08 
Browse the content of the threads in new Window  Thread: Getting more from MF channel: AMI™ solution in Horn-Loaded Speakers  4 Replies 
Part 1 - Introduction A few weeks I was sitting at Boston-shore of Charlse River, was looking at the passing water, was smocking my long and cheap cigar and played in my mine the first movement of Beethoven Third. I was thinking about S...

Read the Post in new Window Read the Post in Threaded view  Post #31: There is a difference between multiamping and DSET… by Romy the Cat on 2007-11-14 
Browse the content of the threads in new Window  Thread: A DSET is better then an expensive SET in Audio For Dummies ™  41 Replies 
[quote user="el`Ol"]Why not more semi-active speakers with high-sensitivity mid/treble and transistor-powered bass? [/quote]… and it is very important do not overlook this difference. Multiamping is fine but is it severely suffer in case of different...

Read the Post in new Window Read the Post in Threaded view  Post #1: It is about timbres, stupid. by Romy the Cat on 2009-02-23 
Browse the content of the threads in new Window  Thread: It is about timbres, stupid. in Playback Listening  0 Replies 
Last 2-3 weeks I’ve been corresponding with a new reader of my site who sent me a few weeks back an email with a question: “Romy, I read your comments about TTH and about “absolute tone”. Are you basically taking about timbres?” That question made ...

Read the Post in new Window Read the Post in Threaded view  Post #8: It is not about "what" but about "how". by Romy the Cat on 2011-07-25 
Browse the content of the threads in new Window  Thread: Basic guide to advanced audio in Playback Listening  62 Replies 
[quote user="haralanov"] My comment may look too simplistic, but it is not. The frequency response is not self contained entity, because it shows the energy balance of the Sound. So you can have flat energy balance of good Sound and you can have ...

Read the Post in new Window Read the Post in Threaded view  Post #102: Injection, Resonance, & Point Sources by drdna on 2007-12-02 
Browse the content of the threads in new Window  Thread: How to USE “Resonating Oops” in loudspeakers in Horn-Loaded Speakers  184 Replies 
[quote user="Romy the Cat"]From where I am staying Injection is not debatable. What dubious is - the methods of Injections. The large panels of Layered Sound has own advantaged and own disadvantages. I was considering in past to use another Red injec...

Read the Post in new Window Read the Post in Threaded view  Post #2: The state of High-Efficiency: drivers. by Romy the Cat on 2009-03-03 
Browse the content of the threads in new Window  Thread: The state of High-Efficiency Loudspeakers. in Horn-Loaded Speakers  6 Replies 
Well, whatever you do with your loudspeakers of with you whole playback system is kind of irrelevant if your drivers are not right. In my view the drivers are the very much heart of playback but in case of High-Efficiency and particularly horn-loaded...

Read the Post in new Window Read the Post in Threaded view  Post #100: I had a dream: The Black Box. by Romy the Cat on 2007-12-02 
Browse the content of the threads in new Window  Thread: How to USE “Resonating Oops” in loudspeakers in Horn-Loaded Speakers  184 Replies 
From the above-linked 6moons’ site:  Publisher's comment:Layered Sound as demonstrated at Marja & Henk's during my short visit consisted of running their Avantgarde Duos and the Model Ones simultaneously, the former inside at dominant volume...

Read the Post in new Window Read the Post in Threaded view  Post #37: Sounds like PSEP (Parallel Single-ended Pentode) by JJ Triode on 2011-04-15 
Browse the content of the threads in new Window  Thread: How to get a LOT of SET power. in Audio Discussions  106 Replies 
To get 17W per KT88 in SE, I think it must be pentode or ultralinear operation.  Triode-connected in A1, I think a KT88 can only make 10-11W max (plated dissipation limit is 44W.)  So it probably uses feedback, but that is still not automatically a b...

Read the Post in new Window Read the Post in Threaded view  Post #101: Agreed by Winnie on 2007-12-02 
Browse the content of the threads in new Window  Thread: How to USE “Resonating Oops” in loudspeakers in Horn-Loaded Speakers  184 Replies 
[quote user="Romy the Cat"]From the above-linked 6moons’ site:  Publisher's comment:Layered Sound as demonstrated at Marja & Henk's during my short visit consisted of running their Avantgarde Duos and the Model Ones simultaneously, the forme...

Read the Post in new Window Read the Post in Threaded view  Post #36: The throat considerations. by Romy the Cat on 2009-08-07 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
I was thinking about the throat of my hypothetic midbass horn. This is complex, controversial and it has pretty much no answer, at least in the formeat I ask it. I will share my thoughts with you. Let pretend that I went for exponential midbass profi...

Read the Post in new Window Read the Post in Threaded view  Post #214: A possible Midbass horn? by Romy the Cat on 2010-05-03 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
[quote user="Romy the Cat"]I was thinking about the throat of my hypothetic midbass horn. This is complex, controversial and it has pretty much no answer, at least in the formeat I ask it. I will share my thoughts with you. Let pretend that I...

Read the Post in new Window Read the Post in Threaded view  Post #3: Bell on the Cat's Tail by Paul S on 2009-11-13 
Browse the content of the threads in new Window  Thread: Getting more from MF channel: AMI™ solution in Horn-Loaded Speakers  4 Replies 
I've been kicking around the Stupid and Lazy Version of this for some time, where one simply runs two different, "characteristic-[un]matched" drivers on the same frequency band.  Oops... So, why not the same drivers pushed by the same amps that a...

Read the Post in new Window Read the Post in Threaded view  Post #10: The maximum “human” tonal amplitude by Romy the Cat on 2007-10-31 
Browse the content of the threads in new Window  Thread: The elusive “absolute tone”. in Playback Listening  24 Replies 
The absolute tone is a relative term in term of tonality but not in term of absoluteness. If the word “absolute tone” does not make you to feel comfortable then I would suggest using a meaning of “tonal potential of playback”. Still, “absolute tone...

Read the Post in new Window Read the Post in Threaded view  Post #7: Generalizations and composeres by Axel on 2009-08-12 
Browse the content of the threads in new Window  Thread: Aimez-vous Bartók? in Musical Discussions  6 Replies 
My original post asked: "Do you love Bartók?" - maybe you'd missed that?It was eluding to the famous novel's title by F. Sagan. Bartók's concert was just one of his compositions I'd listened too when writing the OP.Your response indicated to me that ...

Read the Post in new Window Read the Post in Threaded view  Post #36: MF driver: what do not look for. by Romy the Cat on 2008-04-17 
Browse the content of the threads in new Window  Thread: Open cell foam in horns and MF drivers in Horn-Loaded Speakers  40 Replies 
James, I am not familiar with those drivers. You might inquire at the sites that specialize in audio archeology, like AudioHeritage.com and others. They most likely know who made for Yamaha that driver.  However, there are a few thighs that I wo...

Read the Post in new Window Read the Post in Threaded view  Post #2: Baryshnikov time alignment? by Romy the Cat on 2011-02-24 
Browse the content of the threads in new Window  Thread: Audio Tekne driver alignment technique in Horn-Loaded Speakers  3 Replies 
This type of the “time alignment” has as much to do with time alignment as if they whistle into the horn and observe the re-entering echo. What they do is perfuming the ritual dance in front to the loudspeaker that called “trade show ballet”. The Sit...

Read the Post in new Window Read the Post in Threaded view  Post #18: You do not like it – sue me :-). by Romy the Cat on 2007-11-08 
Browse the content of the threads in new Window  Thread: The elusive “absolute tone”. in Playback Listening  24 Replies 
[quote user="morricab"] Because I don't accept your basic premise of a new sound from scratch that's why. [/quote]Well, you are perfectly entitled to don't accept it, many would not accept it the concept, even more people would not understand it. Sti...

Read the Post in new Window Read the Post in Threaded view  Post #38: I would like to use my 15-incher, the question is HOW? by Romy the Cat on 2009-08-07 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
John, I see where you go with it. I afraid that I will not be making my drivers – I have no idea how to make them in order them to sound the way I need. I have no problem to design and to make 4" exit compression driver or to undertake a project to r...

Read the Post in new Window Read the Post in Threaded view  Post #114: Other ways to use the Injection ideology. by Romy the Cat on 2007-12-03 
Browse the content of the threads in new Window  Thread: How to USE “Resonating Oops” in loudspeakers in Horn-Loaded Speakers  184 Replies 
[quote user="stevie7V"]… they can be used effectively in parallel with the main speakers and running about 5 or 6 dB quieter.  I use them with a separate amplifier and adjust the volume until I 'just can or can't hear them'.  At this level,...

Read the Post in new Window Read the Post in Threaded view  Post #16: About bandwidth of Ultimate MF Compression Driver by Romy the Cat on 2011-07-06 
Browse the content of the threads in new Window  Thread: Ultimate MF compression driver? in Horn-Loaded Speakers  45 Replies 
[quote user="Romy the Cat"]I will slowly upload, as time permits to write them, different posts on the subject of Ultimate MF Compression Driver.  [/quote] The subject of bandwidth for Ultimate MF Compression Driver is complicated subject. If ...

Read the Post in new Window Read the Post in Threaded view  Post #12: The same vs. coordinated. by Romy the Cat on 2012-09-17 
Browse the content of the threads in new Window  Thread: UHF capable tweeters and the moronic conclusions in Audio For Dummies ™  16 Replies 
The notion of coordination in MF & HF tandem is very important. I do not even think that they need to be the same. If the MF and HF drivers have the same topology then they still are not the “same”. A HF will be much smaller with smaller and ligh...

Read the Post in new Window Read the Post in Threaded view  Post #17: What is sound of Twitters? by Romy the Cat on 2011-07-29 
Browse the content of the threads in new Window  Thread: Basic guide to advanced audio in Playback Listening  62 Replies 
Actually Jorge brought a valid perspective: the HF that are crossed at 5K are not the same as HF that are crossed at 10K. The point is that in a playback that crossed at 5K one can’t talk about HF as a self contained expressive tool as in that type c...

Read the Post in new Window Read the Post in Threaded view  Post #56: There is very little defined as now… by Romy the Cat on 2008-10-12 
Browse the content of the threads in new Window  Thread: Macondo’s MiniMe or about Pilot Acoustic Systems in Audio Discussions  213 Replies 
Yep, thanks. I still do not know why you feel that I will not exploit the “ringy dustcaps” on the Malaysian bass drivers; in fact I never gave up on this idea. I preliminary concluded that my MF channel might not go lower then 700Hz but I did not sa...

Read the Post in new Window Read the Post in Threaded view  Post #15: Study Cats - you will learn everything about loudspeakers. by Romy the Cat on 2008-10-21 
Browse the content of the threads in new Window  Thread: Compression Drivers -in general in Horn-Loaded Speakers  25 Replies 
[quote user="serenechaos"] How were the Macondo's Axioms arrived at? By listening?  [/quote]I would encourage you to read carefully the following page:http://www.romythecat.com/MacondoAcousticSystem.aspx[quote user="serenechaos"] I am wondering ...

Read the Post in new Window Read the Post in Threaded view  Post #97: Sometimes integration imperfections are not a problem. by Romy the Cat on 2009-02-10 
Browse the content of the threads in new Window  Thread: Aporia - Silbatone Acoustics speaker in Horn-Loaded Speakers  107 Replies 
[quote user="drdna"] The very fact that if you are close enough to the array that the integration fails, thus it proves the issue exists. [/quote] Hmmmm, the issue exists, yes it does; but I would like to point out that it is necessary to recognize ...

Read the Post in new Window Read the Post in Threaded view  Post #18: Audio window is formed mainly by the MF channel - the tweeter only def... by haralanov on 2011-07-30 
Browse the content of the threads in new Window  Thread: Basic guide to advanced audio in Playback Listening  62 Replies 
Normal 0 21 false false false BG X-NONE X-NONE MicrosoftInternetExplorer4 ...

Read the Post in new Window Read the Post in Threaded view  Post #21: The digital anal-retentivism... by Romy the Cat on 2007-10-15 
Browse the content of the threads in new Window  Thread: K-Stereo Ambience Recovery Processor in Didital Things  29 Replies 
[quote user="peter foster"] The TU-X1 sounds to me as though there is a dolby processing happening even when the dolby feature is off. [/quote]You might check if your country decoding switch is not in a wrong setting. It located at the very top of th...

Read the Post in new Window Read the Post in Threaded view  Post #8: It was reported that it was GIP Labs. by Romy the Cat on 2011-01-15 
Browse the content of the threads in new Window  Thread: The CES's 2011 horns in Horn-Loaded Speakers  21 Replies 
It was reported, and I do not know how accurate it is, that Silbatone did not use WE driver but used a Japanese replica by GIP. http://www.gip-laboratory.com/ http://www.amtrans.co.jp/audio/gip/lineup.shtml ...
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