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Read the Post in new Window Read the Post in Threaded view  Post #5: The Cat's view.... by Romy the Cat on 2005-12-11 
Browse the content of the threads in new Window  Thread: The IDEAL horn system in Horn-Loaded Speakers  27 Replies 
Here is my proposal for an ideal horn system. The concept derives from the really of the horns as I know them, the available park of the drivers, the drivers’ real capacity and from… everything else that I might comment upon if you would not figure o...

Read the Post in new Window Read the Post in Threaded view  Post #19: Re: upperbass horns... by slowmotion on 2006-05-20 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
Hi all Yes, the thing with midbass/upperbass horns , as Romy states, is that those horns are usually built to be too short. You might actually be better off using the driver in a sealed box. For example, look at the size of a typical upper midra...

Read the Post in new Window Read the Post in Threaded view  Post #1: Vintage Altec drivers / horns lingo. by Romy the Cat on 2005-04-24 
Browse the content of the threads in new Window  Thread: Vintage Altec drivers / horns lingo. in Horn-Loaded Speakers  0 Replies 
LOW FREQUENCY DIRECT RADIATOR DRIVERS 411A –18Hz, 93dB, sealed box414A - 99dB, 30Hz, Alnico, cloth416B – Alnico, 97dB, 25Hz, cloth416C – 16” version of above with Ferrite416Z - 12" version417C – 100dB, 69Hz, Alnico, 1.3T, 12”418B – 100dB, 55Hz, Alni...

Read the Post in new Window Read the Post in Threaded view  Post #4: Looks good. by Romy the Cat on 2017-02-21 
Browse the content of the threads in new Window  Thread: A big room with good acoustics before treatment, and some ot... in Audio Discussions  8 Replies 
Xandcg, I did not see this thread below. I would not comment on 5x10x14 vs. 4x8x12 rooms, the answer is obvious, What I will comment that the scenario you propose is very close to ultimate configuration for Macondo-like acoustic system. A few this...

Read the Post in new Window Read the Post in Threaded view  Post #88: The very specific space of house, where art thou? by Romy the Cat on 2010-05-05 
Browse the content of the threads in new Window  Thread: Romy The Cat's new Listening Room in Audio Discussions  478 Replies 
[quote user="jessie.dazzle"] Assuming one will not get anything under 50Hz (usable) from a 40Hz horn, I interpret the mission of lower-bass channels in the context of a horn system as follows….[/quote] Hm, this is a bit tricky with bass. A pla...

Read the Post in new Window Read the Post in Threaded view  Post #25: How to teach the port do not sound like a port by haralanov on 2008-09-18 
Browse the content of the threads in new Window  Thread: Macondo’s MiniMe or about Pilot Acoustic Systems in Audio Discussions  213 Replies 
Principally there are many many theories and papers about ports and how they must be calculated/constructed/placed/used. But none of these theories explains the relation of port design to the SOUND.  That’s the reason why so many engineers get s...

Read the Post in new Window Read the Post in Threaded view  Post #9: Odeon: more speculations by Romy the Cat on 2007-04-02 
Browse the content of the threads in new Window  Thread: German Odeon horns. in Horn-Loaded Speakers  13 Replies 
[quote user="jessie.dazzle"] Regarding the Mid-Bass : If these guys are using the main block as a Mid-Bass horn (as Romy's illustration suggests), then the story is getting interesting, and the plot is definitely thickening... It would however seem i...

Read the Post in new Window Read the Post in Threaded view  Post #11: Silbatone and polish horn. by Romy the Cat on 2012-05-06 
Browse the content of the threads in new Window  Thread: High End 2012 in Germany in Audio News  36 Replies 
[quote user="Stitch"] Well, I didn't come so close to answer your question right.I saw a few from the German DIY scenery and for them it was like the return of Jesus, best sound on Planet But probably they are still deaf as usual, because the Fre...

Read the Post in new Window Read the Post in Threaded view  Post #1: The path of simplification (a horn system) by noviygera on 2017-10-03 
Browse the content of the threads in new Window  Thread: The path of simplification (a horn system) in Horn-Loaded Speakers  1 Replies 
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...

Read the Post in new Window Read the Post in Threaded view  Post #1: Some kind of Grundig… by Romy the Cat on 2009-07-20 
Browse the content of the threads in new Window  Thread: Some kind of Grundig… in Audio Discussions  3 Replies 
It happen that I thought that my old Sony XBR Trinitron TV when sound and I was forced to by a new one. The old TV turner out to be fine and I was stupid to be left with the new one. It is a contemporary LED TV, they say the it is the best. I say...

Read the Post in new Window Read the Post in Threaded view  Post #35: Drivers, horns, mistakes and oversights. by Romy the Cat on 2008-06-02 
Browse the content of the threads in new Window  Thread: Problems with horns: upper bass in Horn-Loaded Speakers  109 Replies 
[quote user="serenechaos"] By “midbass horn” I’m talking about a horn with about a flare frequency of about 60 Hz, to use with Fane 8” drivers, to start with.     (Was planning to use this horn from wherever it sounded best, try...

Read the Post in new Window Read the Post in Threaded view  Post #21: Building the Melquiades: #7, The End!!! by Romy the Cat on 2006-07-01 
Browse the content of the threads in new Window  Thread: Building Melquiades: Chronicle of full-range in Melquiades Amplifier  44 Replies 
OK, I was looking today at the par of the new Melquiadeses posted above and realized they are too ugly to sit them in my room over the 4th July holydays. So, spending another fey hours I designed to end the project and put it behind me. I still do no...

Read the Post in new Window Read the Post in Threaded view  Post #4: The miserable line-arrays with 25W8565 by Romy the Cat on 2006-06-18 
Browse the content of the threads in new Window  Thread: Macondo Alternation. Extending the LF line-array in Horn-Loaded Speakers  8 Replies 
Ronnie, Arranging the driver in a line array is a fierily straight forward thing. Also be advised that the arrays will less likely work across a short wall, and you need to use a long wall. Generally it is imposable to advise anything as any rooms a...

Read the Post in new Window Read the Post in Threaded view  Post #63: Approaching the LF DSET by Romy the Cat on 2015-12-22 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
[quote user="anthony"]Hi Romy, So it is time to think about the bass output transformer in my DSET.  My bass channel will be 8 x 25W/8565-00 each side set in a sealed box and will cover the frequency range below say 100Hz.  These drivers can be ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Many Mani's options: My first horns by manisandher on 2010-01-20 
Browse the content of the threads in new Window  Thread: Many Mani's options: My first horns in Horn-Loaded Speakers  17 Replies 
For the past few months, I’ve been looking for a solution to a problem – how to recreate through speakers the same sound that I get through headphones. Why did I embark on this quest? Well although I’m quite happy with my headphones, I miss being...

Read the Post in new Window Read the Post in Threaded view  Post #19: Choosing a Bass Solution by skushino on 2013-09-27 
Browse the content of the threads in new Window  Thread: Good midbass is complicated, if not unobtainable. in Horn-Loaded Speakers  74 Replies 
I was rushing when I made the last post.  Wanted to share a little more about my thought process and how I arrived at doing another large-scale masochistic audio project.  Making a bass horn is a huge risk - the results can vary from exceeding expect...

Read the Post in new Window Read the Post in Threaded view  Post #225: Bass for Dannoys cont. by N-set on 2022-08-14 
Browse the content of the threads in new Window  Thread: Remedies the Beauty in Playback Listening  302 Replies 
After fantasizing about an infinite baffle, I calculated what kind of structure I'd have to build (in lieu of an attic/crawlspace) and this is an obvious no-go. A more practical idea is a sealed box with two parallel ScanSpeaks per channel. This ...

Read the Post in new Window Read the Post in Threaded view  Post #188: I still will be trying to get the same nearfield setting... by Romy the Cat on 2010-02-05 
Browse the content of the threads in new Window  Thread: Midbass Horns and Real Estate. in Horn-Loaded Speakers  247 Replies 
[quote user="Saturntube"]Similar experience but I get to keep my "old" room. I have just changed my 5 way horn loaded down to 140 hz speakers to a friends room twice as big as mine, with an open back area into the house as your new room has and o...

Read the Post in new Window Read the Post in Threaded view  Post #57: Additional thoughts for Eugene by jessie.dazzle on 2007-06-03 
Browse the content of the threads in new Window  Thread: How to USE “Resonating Oops” in loudspeakers in Horn-Loaded Speakers  184 Replies 
Once you establish that you are for sure on the right track with the whole idea of the Injection Channel, it would not be such a big deal to cut and extend the vertical mast of your Macodo frames, moving your Fundamentals Channel up... You could have...

Read the Post in new Window Read the Post in Threaded view  Post #96: DSET amplifier is designed by anthony on 2017-04-05 
Browse the content of the threads in new Window  Thread: Planning my DSET in Melquiades Amplifier  186 Replies 
It took a LOT of time in CAD using what I had learnt from building the power supplies and then adapting it to match the requirements of the rest of the system.  I have decided to mount the DSET on the horn stack and direct connect the speaker cables....

Read the Post in new Window Read the Post in Threaded view  Post #4: I would concur... by jessie.dazzle on 2007-02-09 
Browse the content of the threads in new Window  Thread: SET and speakers: disregard Volume in Audio For Dummies ™  4 Replies 
Hello all,Some time ago, I bought a pair of very early production ML2s for an ongoing horn project (see "Note at end").Rather than just let the ML2s sit and wait for the horns to get done, I of course tried them out with my "normal" 89db/watt@1m spea...

Read the Post in new Window Read the Post in Threaded view  Post #723: Electricity and weather. by Romy the Cat on 2011-01-19 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
[quote user="Romy the Cat"]Whoever follows this thread of mine note my exuberant reaction to the new fixed PP2000. What however I discover today is that for the last few days, right after the snow storm, the quality of electricity in my lines is ...

Read the Post in new Window Read the Post in Threaded view  Post #1: Horn speaker with dipole bass? by Vasyachkin on 2010-03-07 
Browse the content of the threads in new Window  Thread: Horn speaker with dipole bass? in Horn-Loaded Speakers  11 Replies 
Romy, i hope this post doesn't offend your sensibilities.  I am not gonna say a word about the physics principles that have led me to the conclusion that this is something that should be tried ( unless you ask of course ).  The idea i have is...

Read the Post in new Window Read the Post in Threaded view  Post #140: A few words about Avantgard’s Trio drivers by Romy the Cat on 2008-04-29 
Browse the content of the threads in new Window  Thread: The most promising “best” commercial speaker in Horn-Loaded Speakers  231 Replies 
[quote user="Merlin"]  If they are modifying conventional drive units by hand, the labour costs alone can be prohibitively expensive. The fact that they are using heavy Alnico magnets and coating the diaphrams suggests that these units do not co...

Read the Post in new Window Read the Post in Threaded view  Post #44: Common sense horns without GOTOnization :-) by Romy the Cat on 2008-11-06 
Browse the content of the threads in new Window  Thread: ... again on GOTO Unit drivers... in Horn-Loaded Speakers  108 Replies 
[quote user="Kcct82"] I know you're not a big fan of digital delay, but I'm using behringer DCX 2496 to make things easier... this way I get to keep all horn mouths on the same plane which avoids some reflections (from other horn mouths). [/quote] S...

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 #18: A speaker frame with swappable arm-boards. by Romy the Cat on 2007-08-06 
Browse the content of the threads in new Window  Thread: Jessie Dazzle Project in Horn-Loaded Speakers  172 Replies 
I would like to point out something that is going on here that I found truly remarkable. For advanced people ho play with horns there is no second opinion that the vertical array, the Macondo/Cressaro-Gamma type of architecture, is THE ONLY one tha...

Read the Post in new Window Read the Post in Threaded view  Post #49: Controlling my own leak! by jessie.dazzle on 2007-08-11 
Browse the content of the threads in new Window  Thread: Adding one more spherical to Macondo. in Horn-Loaded Speakers  92 Replies 
Romy, Ok... I tried it... I backed off the screws securing the rear cover on one of the S2s I use with a pair of 180Hz horns. I backed off each screw a total of two turns, leaving a gap of 1.5mm. I also did some measuring, and had left a 400Hz ...

Read the Post in new Window Read the Post in Threaded view  Post #67: Pretty darn close by Scott L on 2015-12-23 
Browse the content of the threads in new Window  Thread: Good midbass is complicated, if not unobtainable. in Horn-Loaded Speakers  74 Replies 
[quote user="Gargoyle"] Romy the Cat wrote: Scott L wrote:  the last time I checked, you were using 6each @ 10 inch low frequency drivers per side. That's "getting there" but still not enough to produce an acoustical watt. (which horns CAN do).   ...

Read the Post in new Window Read the Post in Threaded view  Post #22: Overly ridicules? by Romy the Cat on 2008-09-17 
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="haralanov"] Some time ago I intentionally made two different boxes for my ScanSpeak drivers to see what will happen, because I do not believe in theories and trust only to my ears. The boxes had exactly the same internal volume and front...
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