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Read the Post in new Window Read the Post in Threaded view  Post #1: An Interview With Dr. Bruce Edgar by Romy the Cat on 2007-07-10 
Browse the content of the threads in new Window  Thread: An Interview With Dr. Bruce Edgar in Horn-Loaded Speakers  0 Replies 
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...

Read the Post in new Window Read the Post in Threaded view  Post #7: Yamamoto, AD1 and no talk about time-alignment. by Romy the Cat on 2007-12-08 
Browse the content of the threads in new Window  Thread: A contemporary AD1 Triode by Emission Labs in Audio Discussions  6 Replies 
[quote user="enjoy_the_music"] Well I am fairly new to active speakers. I've been in contact with Merlin and Guy in the UK about these type of speakers and their experiences. I'm just taking it all in and then going forward making a few mistakes and ...

Read the Post in new Window Read the Post in Threaded view  Post #88: How Goto shoot itself into foot…. by Romy the Cat on 2009-09-02 
Browse the content of the threads in new Window  Thread: ... again on GOTO Unit drivers... in Horn-Loaded Speakers  108 Replies 
[quote user="MINGSU"] If you look behind the physical time alignment and start discussion about relative time alignment, that is a good start.  …How will you know they are not already in relative time-aligned even most of them are not shown a...

Read the Post in new Window Read the Post in Threaded view  Post #3: It is much more then juts "properly calculated and sized cap”. by Romy the Cat on 2010-03-04 
Browse the content of the threads in new Window  Thread: Thomas Mayer’s Triamp in Melquiades Amplifier  2 Replies 
[quote user="twogoodears"]I'm pretty interested in yr. opinion about the possible choice of best, safest, smoothest way to use solid-state amp/low-end with "Triamp"... ok... 3-channells DSETs... and my system upper ways... what slope do you think...

Read the Post in new Window Read the Post in Threaded view  Post #2: How to make amplification without an unnecessary waste. by Romy the Cat on 2008-07-22 
Browse the content of the threads in new Window  Thread: Incorporating active crossovers into DSET in Melquiades Amplifier  2 Replies 
Mumford, Let clear first with terminology. You post said about “Incorporating active crossovers into DSET” and I think it is not what you are interested; at least it is not what I am practicing. An active crossover implies a use a dedicated active s...

Read the Post in new Window Read the Post in Threaded view  Post #136: How good ULF needs to be? by Romy the Cat on 2011-11-07 
Browse the content of the threads in new Window  Thread: Macondo’s lowest channel. in Horn-Loaded Speakers  150 Replies 
This is very interesting question. I do not know a lot of people with whom I might collaborate it as very few run ULF channels. Most of time people run just bass channels. It is my experience that whenever audio people talk or think about the low...

Read the Post in new Window Read the Post in Threaded view  Post #43: Melquiades for Trident by ArmAlex on 2010-10-11 
Browse the content of the threads in new Window  Thread: Bias help in Melquiades Amplifier  96 Replies 
I you have an active speaker and want like to use Melquiades then you need a DSET configuration, Find out where and how your Gryphon rolls off MF and introduce the same filter from your DSET in the amp. Use much lower value of coupling ca...

Read the Post in new Window Read the Post in Threaded view  Post #10: Time alignment of drivers and crossover slopes by noviygera on 2010-08-23 
Browse the content of the threads in new Window  Thread: Time alignment of drivers in Horn-Loaded Speakers  16 Replies 
I think clearing this up this may be of benefit to other users who are building multi-way horns. Let's say I've got two horns mounted on a frame. There's a high horn above and a mid horn below and they are physically time aligned, meaning th...

Read the Post in new Window Read the Post in Threaded view  Post #19: Think about it as active room treatment by Romy the Cat on 2023-06-25 
Browse the content of the threads in new Window  Thread: Macondo 3.0 in Horn-Loaded Speakers  51 Replies 
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...

Read the Post in new Window Read the Post in Threaded view  Post #281: The conundrum by N-set on 2022-11-10 
Browse the content of the threads in new Window  Thread: Remedies the Beauty in Playback Listening  298 Replies 
[quote user="Edgar="] N-Set, I invite you to make your own recording of the phase of your Dunnoy. I used my phone camera to do it and a free online sweep generator. I had Tannoy, Scanspeak and laptop screen all in shot when I filmed and shot...

Read the Post in new Window Read the Post in Threaded view  Post #59: It might makes no difference to YOU. by Romy the Cat on 2012-01-06 
Browse the content of the threads in new Window  Thread: Crossover Design in Audio Discussions  69 Replies 
[quote user="Kerry Brown"] A digital crossover with lower bit depth and sampling rate than the recordings it's processing won't deliver maximum sound quality; unfortunately my DEQX crossover is limited to 24/96 so it can't process hi-res digital ...

Read the Post in new Window Read the Post in Threaded view  Post #34: Here are some MiniMe ‘secrets’. by Romy the Cat on 2008-09-21 
Browse the content of the threads in new Window  Thread: Macondo’s MiniMe or about Pilot Acoustic Systems in Audio Discussions  213 Replies 
[quote user="Lbjefferies7"] Very good.  Raal 70-20XR...interesting. [/quote]   Oh, yes, the 70-20XR is very interesting. I did not have this driver but Alex allowed me to experimented with some elements of it’s design in context on my “Wa...

Read the Post in new Window Read the Post in Threaded view  Post #2: The Derivative Design Methodology by Romy the Cat on 2008-01-02 
Browse the content of the threads in new Window  Thread: Midrange driver suggestions in Horn-Loaded Speakers  34 Replies 
[quote user="homebuilder"]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 d...

Read the Post in new Window Read the Post in Threaded view  Post #464: The PP2000 holds its own. by Romy the Cat on 2010-03-15 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
Since my playback is officially down I decided to give up my PP2000 for a local audio guy. He guy live in rural aria but has notoriously bad electricity and for many years was trying virtually anything but still what I visited him he always had v...

Read the Post in new Window Read the Post in Threaded view  Post #1: The Ralf Stegmueller’s horns. by Romy the Cat on 2009-09-12 
Browse the content of the threads in new Window  Thread: The Ralf Stegmueller’s horns. in Horn-Loaded Speakers  4 Replies 
http://mailconf.wiwi.uni-karlsruhe.de/artcore-audio/english/index.html http://mailconf.wiwi.uni-karlsruhe.de/artcore-audio/english/gallerie.html#nogo “Artore audio is non com...

Read the Post in new Window Read the Post in Threaded view  Post #24: Different strokes by Merlin on 2007-09-25 
Browse the content of the threads in new Window  Thread: Devid Berning amplifiers: the anti-trnsformers frenzy? in Audio Discussions  45 Replies 
I think it is a simple case of different strokes for different folks. Drdna writes about communicating the essence of sound - I write about the essence of music. He writes about wondering what Coltrane was thinking. I write about hearing him looki...

Read the Post in new Window Read the Post in Threaded view  Post #4: RE: do not fix until it broken by Romy the Cat on 2005-10-30 
Browse the content of the threads in new Window  Thread: Crossover Design in Audio Discussions  69 Replies 
[quote user="drdna"]  1.  This particular EdgarHorn is being sold to make way for a Cain & Cain speaker which is based initially on a single-driver type backloaded horn.  To me this suggested that the seller was seeking the benefit...

Read the Post in new Window Read the Post in Threaded view  Post #2: Re: Crossover Design: WHY? by Romy the Cat on 2005-10-29 
Browse the content of the threads in new Window  Thread: Crossover Design in Audio Discussions  69 Replies 
[quote user="drdna"] I know all the compromises involved with the EdgarHorns, I have heard them when I visited Bruce Edgar in Gardena, and they were pretty good compared to most of what is out there.  I realized that I would likely never be able...

Read the Post in new Window Read the Post in Threaded view  Post #1: A new kid in the block: Sadurni Acoustics by Romy the Cat on 2011-08-22 
Browse the content of the threads in new Window  Thread: A new kid in the block: Sadurni Acoustics in Horn-Loaded Speakers  21 Replies 
There is a new company out there that makes horn-loaded acoustic system. I know a guy who is involved, I presume he is the owner or one of the owners, but I know very little about the design and the sound of the Sadurni Acoustics. So, let see wha...

Read the Post in new Window Read the Post in Threaded view  Post #180: My further thoughts on room acoustics by Romy the Cat on 2010-08-10 
Browse the content of the threads in new Window  Thread: Romy The Cat's new Listening Room in Audio Discussions  478 Replies 
[quote user="unicon"] that old sails does just control <1khz reflections ... you need to control your mid bass n basic bass frequencies first. [/quote] I guess you meant >1khz reflections? Yes, it will and it is erectly what I am loo...

Read the Post in new Window Read the Post in Threaded view  Post #265: About Width-Importance balance. by Romy the Cat on 2010-11-22 
Browse the content of the threads in new Window  Thread: Romy The Cat's new Listening Room in Audio Discussions  478 Replies 
I meant to have this post as a separate thread in the “Playback Listing section “– the “load” of it is well-deserve it but then I decided that it would be too easy for the readers of my site. The subject of this post is well related to results of...

Read the Post in new Window Read the Post in Threaded view  Post #1: Adding one more non-spherical to Macondo. by Romy the Cat on 2010-12-15 
Browse the content of the threads in new Window  Thread: Adding one more non-spherical to Macondo. in Horn-Loaded Speakers  23 Replies 
Back to 2006 I had a thread “Adding one more spherical to Macondo.” The thread itself and the concept that it lead to - the Fundamentals Channel - turned to be a phenomenal success. I know, I know for someone it might appear like nothing but if y...

Read the Post in new Window Read the Post in Threaded view  Post #3: Summary by Rewind on 2013-07-02 
Browse the content of the threads in new Window  Thread: A Frankenstein Macondo - Injection channel - trying it as op... in Horn-Loaded Speakers  14 Replies 
Thanks for the detailed answers. I will explain my setup.You are right about the dipole bass correction instead of the injection channel. Since I am waiting for both a subwoofer and the Fane Studio 8M and their horn, I am using the 12" as a b...

Read the Post in new Window Read the Post in Threaded view  Post #27: Mess… by Romy the Cat on 2018-09-12 
Browse the content of the threads in new Window  Thread: The ULF cannel for my new listening room. in Audio Discussions  43 Replies 
Ok, spent a half of the nigh to working with my IB problem and discovered that everything that I do now is a complete mess.   First of all the crossover that I used is not what I though it is.   I found my old there from which I learned...

Read the Post in new Window Read the Post in Threaded view  Post #29: My new IB, the first blood, good one. by Romy the Cat on 2018-09-15 
Browse the content of the threads in new Window  Thread: The ULF cannel for my new listening room. in Audio Discussions  43 Replies 
This mooring I decided to play with my infinite baffle. The mess with my analog crossover hat was calibrate for my old listening room gave me bad IB taste. I bought used stinky Behringer DCX2496 Ultradrive Pro crossover for $100 to find my new cro...

Read the Post in new Window Read the Post in Threaded view  Post #37: I do not understand it now. by Romy the Cat on 2021-10-31 
Browse the content of the threads in new Window  Thread: Remedies the Beauty in Playback Listening  298 Replies 
[quote user="N-set"] And how about the music that you like? How do you perceive it through Dannoy/SIT?[/quote] It hard to say. I really do not understand the Dannoy/SIT sound at this point. I have even no idea if that sound come from Dannoy, f...

Read the Post in new Window Read the Post in Threaded view  Post #6: The less you "buy" is better. by Romy the Cat on 2018-11-29 
Browse the content of the threads in new Window  Thread: The need for a balanced buffer stage in Analog Playback  10 Replies 
I do not think you need anything in your current configuration. If you use the only one sources and all the you need is to manage volume then you can put an attenuator in your phonostage before the output stage, presuming the phonostage has enough...

Read the Post in new Window Read the Post in Threaded view  Post #12: Do not argue, learn. by Romy the Cat on 2024-04-18 
Browse the content of the threads in new Window  Thread: What Passes for "Space" in Home Audio? in Playback Listening  12 Replies 
I sincerely feel that all those conversations about space and the rest of the Audio G-spot words are irrelevant until people who engage in conversation are exposed to a properly implemented Auro 3d or any other objects-oriented Space reconstructio...

Read the Post in new Window Read the Post in Threaded view  Post #14: More perspectives... by Romy the Cat on 2024-05-19 
Browse the content of the threads in new Window  Thread: My new “New” listening room, 2024 in Audio Discussions  31 Replies 
I put kids to bed and was listening at night at low level. The idea which was spinning in my head was the following. Okay I have good result but why and what does it mean? Was it a precise mid bass dialing to the rest of my system, to my ul...

Read the Post in new Window Read the Post in Threaded view  Post #51: Replies by Bill on 2021-08-05 
Browse the content of the threads in new Window  Thread: 2+3 surround sound?? in Playback Listening  82 Replies 
Will try to answer all questions here.Romy: I understand why you do not wish to use the term “surround sound”, but it is the accepted term for what we are discussing. You may add other terminology, but it only muddies the debate until others accept i...
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