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Site News: 16 Jan 2026
That old bug returned. Sometimes creation of new threat not going to work.  The replies still work. 
I will fix it soon.
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Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques
Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Jessie Dazzle Project 6745 
Cressaro Dellta or Macondo ++ 6744 
Rubberised chamber (off-axioms-topic) 6744 
Defying gravity 6744 
Sd/St 6744 
Responses to Romy Paul & Ronnie 6743 
Images : Construction Method 6743 
Follow up image 6743 
Ratio of diaphragm area to throat 6743 
Some points regarding your comments. 6743 
So, it only gets better... 6743 
Some subjective warnings about amplification layer. 6743 
Time line 6742 
Tractrix for LF 6742 
Tractrix vs. Exponential curve for lower frequencies. 6742 
Continued Development : Horns : Frame : Xovers 6742 
Process : Templates : Injection 6742 
A speaker frame with swappable arm-boards. 6742 
Just one word, Jessie: 6742 
Hypotraxponential Dilemma 6742 
Oh well... 6742 
Room as ally, integration, corner-loading and ... Virgin Mary 6742 
Got a picture? 6741 
As the World Turns 6741 
Tractrix vs. others. 6741 
Tractrix vs. others II 6741 
Guillotine frame 6740 
Corner-loaded horn option (correction) 6740 
Construction continued & Images 6740 
The might-be-changing RTA’s objectives. 6740 
The plaster horns: how will they hold bolts? 6740 
More on tractrix vs. the world 6740 
Fixation anchors 6740 
Taurus rising 6740 
Tractrix etc. 6740 
Horns, distortions, inadequacy of experiments etc… 6739 
Theory 6739 
My interests are very limited. 6739 
Tractrix etc. etc. 6739 
Pressures, nonlinearitys, known, unknown... 6739 
Tractix and so on. 6739 
The pressure transducing systems. 6739 
Technically Yes... & No 6738 
A playback system as a statement of mind. 6733 
The (hopefully) ever-evolving self 6728 
Centering the S2 (images) 6689 
The cool plaster idea, the Xenons and Summarits…. 6689 
Core diameter 6689 
Core diameter Part II 6689 
Rubber bucket! 6689 
I'll miss the cats 6633 
Wow, that was brutal even to read! 6633 
Lamm ML2 and Jessie’s system 6501 
Bi-amping & multi-tapping 6501 
The virtue of the experiment. 6501 
"Bottomless" bass 6501 
Photo update (part 1) 6420 
115 Hz made easy 6420 
The squirly women, horns and cactuses. 6420 
Primitive... 6419 
Past lives etc. 6419 
Finishing and texturing process 6419 
The finishing of nice horns. 6419 
Colors & surfacing 6419 
I did it a numbers of times myself… 6419 
Stepping up 6406 
The Fundamentals Channel and imaging altitude. 6406 
Where to stop lower MF 6406 
A lofty position 6406 
Meanwhile, back at the lab... 6405 
Playing around. 6405 
Cap dancing 6405 
It all might work. 6405 
Right again... 6404 
To emphasized a few points. 6404 
RTA break 6400 
Some thoughts while settling down. 6400 
Adjustable rear chamber (Photos) 6397 
The coupling from chamber to horn 6397 
Life at speaker-level (+ Photos) 6397 
Sealing material (rear chamber) 6397 
Seal 6397 
It is very stimulating to observe.... 6396 
Details : Mid & upper bass horns 6396 
Cramped tweeter & frame aesthetics 6396 
Sand man 6395 
Painless mid-bass horn (really!) 6392 
Fiber horn... 6390 
Bass horn : Throat transition & construction. 6390 
Better image of Ulf's horn 6390 
Correction : Length hypex vs exponential 6389 
A definitive assessment about long profiles. 6389 
Carbon... 6389 
Carbon front baffle 6389 
I wonder how much unexplored out there! 6389 
To fight or to work with resonances 6389 
The lightweight division 6389 
Decisions decisions 6388 
Off by a factor of 10 6388 
Carbon superiority 6388 
Rectangular horn.. 6387 
Composite sandwich 6387 
Calculations 6387 
Hornresponse... 6387 
Orientation of fibers 6387 
Orientation... 6385 
On second thought... 6385 
Talking Points 6385 
Paul.... 6385 
If I understand you correctly... 6385 
Will look 4it! 6385 
Inlays.... 6385 
Cult of the THBs 6384 
Carbon suppliers 6384 
Ribs & sandwiches 6384 
Shopping for carbon 6384 
The (W)hole of the Horn 6384 
CAD images 45Hz inner surfaces 6381 
Jessie went for the obnoxious horn 6381 
Process-related ramblings & remagnetizing 6379 
Remagnetwhat? 6379 
Images & some answers 45Hz horns 6378 
If I will be trying.... 6378 
Materials & position 6378 
Women and Bass Horns. 6362 
Distance? What distance? 6362 
She's more than a woman... 6362 
Suggestions on Vent for Back Chamber 6172 
A vented back chamber? Are you sure? 6172 
Rear chamber (fixed volume) 6172 
How to offset the “almost match” 6172 
Clarification 6171 
Air tight is right 6171 
Update : "Painless" Mid-bass Horn 6117 
You need ether a shorter women or a larger horn. 6117 
The Man 6117 
A few answers 6117 
Kalika & Cigarettes 6117 
Breathtaking! 6117 
Some follow ups… 6116 
Materials : 40Hz horn 6116 
Thanks 6116 
Car motor lifter recommendation... 6116 
Finding a home for midbass horns. 6026 
On the move 6025 
Yep, the real-estate sucks for audio freaks. 6025 
A listening room for Salvador Dali? 6025 
The great affair is to move 6025 
I like and I don’t 6025 
Voice coils & horn loading : Electrical restan... 5969 
Then vs. now. 5969 
Post edit 5969 
Balancing amplitude between drivers/horns 5855 
A few random comments. 5855 
Burning Sensitivity 5855 
Balancing act; Act II 5854 
The upperbass is very important 5854 
Adjust crossover-values? 5853 
Playing with crossover values and Fundamentals Cha... 5853 
I agree, but YMMV 5853 
Crossover balancing act; Act III 5839 
At Home with the Classic HE Riddle 5839 
Getting loaded 5838 
Upper-bass sweeps 5799 
The commentaries about the Upper-bass sweep. 5798 
Upper-bass as a system's fulcrum: Part I 5797 
The dally horn thoughts… 5797 
Cost of moving vs. cost of cashing. 5521 
Having your horn and eating it! 5520 
A certain amount of ballast 5520 
ULF enclosures (images) 5520 
Mighty McCauleys 5520 
Will this better to be auditable? 5520 
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