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Site News: 20 Jul 2026

The audio preview of the audio part of my Book
Romy The Cat's Playback
Audio Knowledge Tree ™
Romy's "Audio Rules"
Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
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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.
Midbass Horns and Real Estate. 6207 
Room to Romy 6207 
Underground mid-bass horn and the inverted alternative 6206 
Midbass options to consider. 6206 
But what will the neighbors think? 6206 
Horns and R&E ready to go…. 6206 
Dualing bass 6206 
Midbass hors vs. flooding subwoofers - very different game. 6206 
To Do It Right? 6206 
This search might be complicated 6206 
The Mendelsohn approach. 6205 
A pool of ideas for now…. 6205 
The big D 6205 
Raising the roof 6205 
A vertical midbass horn and environment 6205 
Brownstones? 6205 
Suburban home additions for horns 6205 
Ceiling horn ups and downsides 6204 
The real-state U-turn? 6204 
Side-stepping legal issues with added on room 6204 
About the Rogero’s or Johan Dreyer’s approach. 6202 
Playing with Johan Dreyer’s idea further. 6202 
Eh, stupid! 6202 
And sometimes I feel so blew that I do not what anything. 6201 
Another renderation of Rogero’s or Johan Dreyer’s idea 6201 
About time alignment in mid bass horns 6200 
The time alignment scenarios. 6200 
Getting on with it, while keeping options open 6200 
More Ideas 6200 
Looks like a good solution 6200 
My stupid wet dreams. How little a man need…. 6200 
A proper commercial midbass horn, sort of.... 6197 
Ok, I've found a great home for my left 20Hz bass horn! 6196 
Consider 6195 
People who do general contracting….. 6195 
The throat considerations. 6195 
Make your own 6195 
I would like to use my 15-incher, the question is HOW? 6195 
Circumferential phasing plug problems 6195 
....puzzled with your response.... 6195 
The Great Unknown 6195 
Fourier transform tells the story 6194 
Midbass Adjustable Horn 6194 
My take about midbass and phase plug. 6194 
The interchangeable backs for midbass? I do not know… 6194 
The "Hanging" inverted Midbass J-horn. 6194 
The midbass Pipeline Conversion horn??? 6192 
Straight / J Horn - Why? 6192 
RE: Straight / J Horn – Why? 6192 
Time alignment is a real problem with this kind of horns 6192 
Two Mouths 6192 
More ideas and drawbacks 6192 
How does 40 hz to 200 hz sound like 6192 
40Hz - 200Hz and GLARE... 6192 
The CNCing? Interesting… 6191 
Layered construction horn 6191 
CNC Snail Horn 6191 
The construction techniques – that will be the last. 6191 
Time alignment how? 6187 
The ceilings height 6182 
High ceilings 6182 
Shortening a High Room 6182 
Using of the “High ceilings” 6181 
Some roomy links 6181 
Sand damping topologies. 6180 
Tubed sand 6180 
Sandbag damping 6180 
A considerable amount of sand pressure. 6180 
Automobile solutions 6180 
Auto Former 6179 
The corner loading. 6178 
A sort of ridicules bass idea but let see… 6176 
6m Basshorn 6176 
Another basement horn. 6176 
Early firing Midbass horn 6176 
Framed, Raised Floors 6176 
Can a bad floor be cured by gain/power? 6175 
It Is Do-able 6175 
The ALE Acoustic midbass solution vs. right 15-incher 6174 
Concrete rooms of hellsound 6174 
CH Audio Design 6173 
I do not understand what CH Audio does. 6173 
Japanese Cone Suspensions. 6172 
YL1250 - very interesting! 6172 
Bass drivers to the end.........of physycs? 6172 
The drivers for midbass and…. the mistakes. 6171 
Ah, mystery & suspense 6171 
Was it worth it? 6171 
Havering on... 6170 
Main floor pre-load 6169 
About the Macondo-like systems room dialing. 6169 
Yeah; That's the Ticket 6169 
Concrete horn example 6168 
Options, options, options… 6168 
About the Maturation Shields ™ 6168 
Giant litter box 6167 
Sand and Sinagogues 6167 
How to know that floor is the problem? 6167 
Tossing Off a Couple 6167 
The external horns construction ideas 6166 
In The Swim (and School Fees) 6166 
13-step program 6166 
Big horn materials 6165 
Ignore CH AUDIO ? 6157 
Another place to pee? 6157 
Ignore, Ignore, Ignore 6157 
The Afghan Camels 6157 
Boundaries as an extension of the horn flare. 6157 
Discretion 6157 
…. Ignore the company's claim of using the ceiling and adjacent walls as extensions of the horn flare. 6157 
Considered as a solution for fitting a large bass horn in a normal-size living space, 6157 
A small dedicated room - the build history. 6155 
Cost/Benefit 6155 
The perfect built room. 6155 
Shape vs Construction 6155 
The harcore approach 6150 
Another setup with ceiling horns 6149 
Another large horn example 6128 
A first interesting find. 6119 
Steamships vs. Icebergs 6119 
The absolute minimum dimensions and the 'new' attic ideas. 6118 
Condensation issue's in Boston 6118 
An active thermo-stabilized blanket around back chamber? 6118 
Costs, Expectations and Open Space 6118 
Demise of the r2000 home 6118 
External 15” into 4’x6’ from Audio 1954 6059 
Romy, you can stop searching 6024 
I see nothing to be overwhelmed… 6024 
On a more serious note 6024 
By "Careful Arrangement" 6024 
My troubles with direct radiators 6024 
The first interesting arrangement 6023 
Loading Zone 6023 
An interesting room-loading post 6023 
Will the Cat become an “industry professional”? 6023 
The tremendous opportunity. 6022 
Aim direct radiators at ears 6022 
Why call it "Battle Road" 6022 
The second American Revolution? 6022 
Atmospheric Pressure vs Tonal Pressure 6022 
The same problem here 6021 
The suspended floor treatment – some questions. 6021 
Bang for the Buck Approaches 6021 
It was fairly simple in my case 6021 
I used planks of wood 6021 
To seal or not to seal? 6020 
The midbass horn: the first uppercut from real-estate. 6020 
I didn't have to seal 6020 
Proper structure stiffening 6020 
What did you find? 6020 
Roger, the Sistering 6020 
I wish it were easier… 6019 
Dig in your heals & make them fit 6019 
I hope I do not need to do for the alternative option 6019 
…. certain value beyond its purchase price. 6019 
It's not so bad really. 6019 
I hope it would all work out. 6019 
Words vs. Pictures 6019 
Here is where the horns advantages bite my by my tail. 6019 
Too soon now. 6019 
Reframing Attic Ceiling 6018 
Vibration induced resonances 6018 
This is an interesting one. 6018 
What would be interesting in this room… 6018 
Decoupling the Horns and Horn Hell 6018 
Bagel Sandwich Roof horn 6018 
Tapped Out 6018 
How about silent blocks? 6018 
Well TH... 6018 
Differential Movement 6018 
Gain and bass 6017 
I do not see a lot of interesting solution out there. 6017 
My olde listening room. 6016 
Keep ye olde room! 6016 
Fair Warning 6016 
Who know how it will go. 6016 
Progress 6016 
Wise Warning 6016 
Moving, remodeling, building, etc…. 6015 
Attic horns: L/R Separation 6014 
The Monofication of the midbass 6014 
The corrected room size. 6014 
What impact do open spaces have? 6014 
The "escape" areas of our listening rooms. 6014 
Some idea of what will happen 6013 
Why did you choose such nearfield position? 6013 
The “secret” that no one would tell you… 6013 
I still will be trying to get the same nearfield setting... 6013 
My five cents 6012 
The long wall, wide angle. Just-continue configuration 6012 
Work in progress, on the right path 6012 
When I am in town next 6012 
Some lessons from Magico Ultima installation. 6011 
I have a miniature of this room 6011 
Another room case study. 6011 
Sometimes too wide speakers drain tonal density 6011 
Speakers angle vs. tonal density. 6011 
Agree on what you say wrt tonal density 6010 
To hide or not to hide. 6006 
Hot, Cold, Wet, Dry 6006 
Dealing with first reflections, in natural way. 5994 
Midbass Horns And Real Estate 5993 
Custom building work and mathematical constructions? 5991 
"Boston, you can have it." 5990 
Mid-bass horn: Room loading/augmenting 5987 
The all is not so simple. 5987 
Some clarification 5987 
Debugging the upperbass 5987 
Preparing for upper-bass sweeps 5987 
Riding the horn… 5987 
The Playback’s last weekend, the Freudian motives. 5984 
Mike Malinowski’s room journey 5979 
Ok, I think my R&E project is over. 5971 
A possible Midbass horn? 5926 
A possible Midbass horn project? 5926 
Might not look like a living room anymore... 5926 
The Real Estate tunes... 5607 
Be my guest.... 25 days left. 4762 
An interesting project 4458 
Another interesting project 4448 
More here 4447 
ALE, Beryllium. 3974 
Images. 3937 
GOTO horns. 3937 
Horn Mouth. 3932 
About 41Hz 3932 
Thanks. 3932 
It is not difficult 3931 
Just right now! 3931 
I might not be the best person to ask... 3931 
Got it. 3931 
5" and 6" 3847 
These bass compression drivers. 3847 
Now I got. 3847 
Specs. 3847 
Those bass drivers .... 3846 
I am not willing to make them myself. 3846 
"Cost" 3837 
I had got it. 3835 
Hearsay 3834 
Does anyone know about this German company that of... 3539 
Using Exotic LF CDs for Bass 3539 
80Hz compression driver. 3538 
Compression drivers are copies of western Electric... 3538 
I do not think so. 3538 
Could be interesting though... 3538 
ALE Loudspeakers. 3497 
Just a youtube video... 3367 
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