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Site News: 17 May 2026

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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.
Macondo’s lowest channel. 5758 
A mono LF channel – I do not like it. 5754 
LF Results 5754 
The size maters 5753 
Response Curve 5753 
ULF placement and power 5753 
Wishful thinking and the Maelstrom-21 5753 
I will need a direct radiator under the bottom… 5753 
ULF experience: Drivers & power considerations cont'd 5752 
To experiment during the New England winter 5752 
Pitching pitch 5752 
There are many key points…. 5752 
A first true bass test 5736 
Actually…. 5736 
Best place lost? 5731 
Best location for bass, where art thou? 5731 
What to expect from ULF channel? 5715 
OK, it is something. 5714 
The new ULF scenario experiments. 5707 
Time coherence of ULF - my experience 5707 
Placement of ULF #2 5707 
Why I like the like the location #1 5707 
I need to find another ULF solution. 5699 
Ceiling subs 5698 
The infinite baffle shall be a very good solution. 5698 
This morning I woke up horny 5698 
Dsp 5698 
Parametric filters 5697 
SMS 1, Act II 5697 
I think I have found the problem with my ULF 5697 
SMS distortion issue? 5697 
At 30Hz of high order there are not truly tone” of “sound” 5697 
DCX output stage mods 5697 
Very small minority of the folks… 5697 
Exactly zero I suspect. . . 5697 
DSP vs. Music vs. HT 5697 
10" array; how low? & SMS-1 distortion 5697 
Interesting: 10” vs. 15” 5697 
Multiples of the Same Rising Response Curve? 5697 
The crisis of perception. 5696 
Dynamic range of ULF, tsunami and something else. 5695 
The Circle Unbroken 5695 
I wonder… is it PP2000? 5679 
The ULF and PurePower 2000 5670 
ULF Channel and LP playback. 5613 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5611 
I do not have an opinion yet. 5611 
Imponderabilis Neurosis 5611 
Bass non-pathologic hallucination… 5611 
A new paradigm for ULF? 5611 
…a number of logical flaws… 5611 
MAD HATTER 5610 
Thinking about my lower bass 5590 
Has Schrödinger's cat moved in unnoticed? 5590 
Wrong. 5590 
Groove Echo 5590 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5589 
Listening help with ULF stimulator 5589 
The ULF debate: time-alignment 5587 
Trying to address the dilemma with lowest bass. 5586 
Rotary woofer for ULF? 5586 
I do not need a Rotary woofer, I need to be less Moron. 5586 
*** 5586 
Congrats 5585 
Getting some maturity with ULF 5584 
About ULF attenuation. 5583 
How is it implemented? 5583 
My implementation of ULF channel. 5583 
Further thoughts about ULF channel. 5582 
ULF 5582 
I would agree but… 5582 
The problem that that I see with my ULF 5582 
Loudspeaker Proximity Coupling in Midbass & ULF 5582 
Great rotary idea! 5582 
Brilliant analyses! 5582 
Going down with bass 5580 
Under FS 5580 
Ideal ULF/Midbass integration 5580 
My super smart room! 5580 
Erratum ( or errata if you insist) 5580 
The issue is a complex one and should not be addressed generically ... 5580 
Cost benefit analysis of midbass horns v/s compromised ULF 5580 
There is no cost-benefit analysis for this thing. 5580 
I will experiment. 5580 
Sometimes experiment is not just experiment. 5580 
One Bass Horn or Two – for Oxric 5579 
My ways to mimic Reality. 5579 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5579 
"the purpose of playing, whose end both at the first and now..." 5579 
No manuals for those things…. 5579 
More about Rotary ULF idea. 5574 
Phoenix Gold Cyclone 5574 
Passing the waves…. as usual.... 5570 
Drive ULF Amp from Midbass Amp Output 5569 
There is “something”… 5569 
I do not know what I deal with. 5568 
I want my ULF amp back. 5557 
ULF emergency: Big & nasty solutions 5556 
No-amplification time 5556 
Listening audio without ULF. 5555 
Ok, I got the bass amp… 5555 
How much power do I need for my ULF. 5545 
A True ULF - what an amassing tool!!! 5543 
Put Marchand Crossover into the game. 5539 
I begin to like my active crossover. 5527 
Line-level passive vs. active ULF filter 5525 
Hm, there is no way to escape the 4th order. 5525 
Phase butterfly effect. 5524 
Back to DSP? 5524 
What I am trying to accomplish. 5524 
The art of ULF volume adjustment. 5523 
Sitting on a fence with ULF 5521 
The overly-swallowable bass. 5514 
To deLamminate my ULF channel. 5513 
What a beautiful result!!! 5512 
Pipe Organ with 128' register in Augsburg, Germany 5506 
An absolute must for ULF channel. 5489 
The compartmentalized bass 5366 
Paralleled SET bass 5362 
A new concept of ULF channel. 5354 
Infinite baffle 5354 
A 4th order bandpass vibrator? 5354 
ULF idea, possibly stupid. 5353 
IB vs Horn 5353 
A Distributed Infinite Baffle? 5352 
"Tuning" the "IB" 5352 
Flip 90 degrees 5352 
Little bump and the elephant solutions 5352 
How to do THAT? 5351 
ULF from coffee table 5351 
The through-hole tapped horn. 5351 
25 hz at 6db? 5351 
ULF from the SledgeHammer 5351 
Why not really use the basement 5351 
Never say never 5351 
How good ULF needs to be? 5340 
How good the user needs to be? 5340 
Maybe . . . 5340 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5340 
Narrow [Band] Tuning (DSP?) 5340 
ULF-only Sound 5300 
An easy ULF solution for someone. 5292 
Red Grills 5292 
It is exactly what I would like to avoid. 5291 
So I took your advice 5233 
Ok, let me know how it goes. 5233 
The ULF amp Itch. 5219 
Here is an update for the old thread.... 2840 
Good highs 2840 
Marchand 1897 
What truly are you tryin to accomplish? 1897 
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