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Site News: 20 Jul 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. 5791 
A mono LF channel – I do not like it. 5787 
LF Results 5787 
The size maters 5786 
Response Curve 5786 
ULF placement and power 5786 
Wishful thinking and the Maelstrom-21 5786 
I will need a direct radiator under the bottom… 5786 
ULF experience: Drivers & power considerations cont'd 5785 
To experiment during the New England winter 5785 
Pitching pitch 5785 
There are many key points…. 5785 
A first true bass test 5769 
Actually…. 5769 
Best place lost? 5764 
Best location for bass, where art thou? 5764 
What to expect from ULF channel? 5748 
OK, it is something. 5747 
The new ULF scenario experiments. 5740 
Time coherence of ULF - my experience 5740 
Placement of ULF #2 5740 
Why I like the like the location #1 5740 
I need to find another ULF solution. 5732 
Ceiling subs 5731 
The infinite baffle shall be a very good solution. 5731 
This morning I woke up horny 5731 
Dsp 5731 
Parametric filters 5730 
SMS 1, Act II 5730 
I think I have found the problem with my ULF 5730 
SMS distortion issue? 5730 
At 30Hz of high order there are not truly tone” of “sound” 5730 
DCX output stage mods 5730 
Very small minority of the folks… 5730 
Exactly zero I suspect. . . 5730 
DSP vs. Music vs. HT 5730 
10" array; how low? & SMS-1 distortion 5730 
Interesting: 10” vs. 15” 5730 
Multiples of the Same Rising Response Curve? 5730 
The crisis of perception. 5729 
Dynamic range of ULF, tsunami and something else. 5728 
The Circle Unbroken 5728 
I wonder… is it PP2000? 5712 
The ULF and PurePower 2000 5703 
ULF Channel and LP playback. 5646 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5644 
I do not have an opinion yet. 5644 
Imponderabilis Neurosis 5644 
Bass non-pathologic hallucination… 5644 
A new paradigm for ULF? 5644 
…a number of logical flaws… 5644 
MAD HATTER 5643 
Thinking about my lower bass 5623 
Has Schrödinger's cat moved in unnoticed? 5623 
Wrong. 5623 
Groove Echo 5623 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5622 
Listening help with ULF stimulator 5622 
The ULF debate: time-alignment 5620 
Trying to address the dilemma with lowest bass. 5619 
Rotary woofer for ULF? 5619 
I do not need a Rotary woofer, I need to be less Moron. 5619 
*** 5619 
Congrats 5618 
Getting some maturity with ULF 5617 
About ULF attenuation. 5616 
How is it implemented? 5616 
My implementation of ULF channel. 5616 
Further thoughts about ULF channel. 5615 
ULF 5615 
I would agree but… 5615 
The problem that that I see with my ULF 5615 
Loudspeaker Proximity Coupling in Midbass & ULF 5615 
Great rotary idea! 5615 
Brilliant analyses! 5615 
Going down with bass 5613 
Under FS 5613 
Ideal ULF/Midbass integration 5613 
My super smart room! 5613 
Erratum ( or errata if you insist) 5613 
The issue is a complex one and should not be addressed generically ... 5613 
Cost benefit analysis of midbass horns v/s compromised ULF 5613 
There is no cost-benefit analysis for this thing. 5613 
I will experiment. 5613 
Sometimes experiment is not just experiment. 5613 
One Bass Horn or Two – for Oxric 5612 
My ways to mimic Reality. 5612 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5612 
"the purpose of playing, whose end both at the first and now..." 5612 
No manuals for those things…. 5612 
More about Rotary ULF idea. 5607 
Phoenix Gold Cyclone 5607 
Passing the waves…. as usual.... 5603 
Drive ULF Amp from Midbass Amp Output 5602 
There is “something”… 5602 
I do not know what I deal with. 5601 
I want my ULF amp back. 5590 
ULF emergency: Big & nasty solutions 5589 
No-amplification time 5589 
Listening audio without ULF. 5588 
Ok, I got the bass amp… 5588 
How much power do I need for my ULF. 5578 
A True ULF - what an amassing tool!!! 5576 
Put Marchand Crossover into the game. 5572 
I begin to like my active crossover. 5560 
Line-level passive vs. active ULF filter 5558 
Hm, there is no way to escape the 4th order. 5558 
Phase butterfly effect. 5557 
Back to DSP? 5557 
What I am trying to accomplish. 5557 
The art of ULF volume adjustment. 5556 
Sitting on a fence with ULF 5554 
The overly-swallowable bass. 5547 
To deLamminate my ULF channel. 5546 
What a beautiful result!!! 5545 
Pipe Organ with 128' register in Augsburg, Germany 5539 
An absolute must for ULF channel. 5522 
The compartmentalized bass 5399 
Paralleled SET bass 5395 
A new concept of ULF channel. 5387 
Infinite baffle 5387 
A 4th order bandpass vibrator? 5387 
ULF idea, possibly stupid. 5386 
IB vs Horn 5386 
A Distributed Infinite Baffle? 5385 
"Tuning" the "IB" 5385 
Flip 90 degrees 5385 
Little bump and the elephant solutions 5385 
How to do THAT? 5384 
ULF from coffee table 5384 
The through-hole tapped horn. 5384 
25 hz at 6db? 5384 
ULF from the SledgeHammer 5384 
Why not really use the basement 5384 
Never say never 5384 
How good ULF needs to be? 5373 
How good the user needs to be? 5373 
Maybe . . . 5373 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5373 
Narrow [Band] Tuning (DSP?) 5373 
ULF-only Sound 5333 
An easy ULF solution for someone. 5325 
Red Grills 5325 
It is exactly what I would like to avoid. 5324 
So I took your advice 5266 
Ok, let me know how it goes. 5266 
The ULF amp Itch. 5252 
Here is an update for the old thread.... 2873 
Good highs 2873 
Marchand 1930 
What truly are you tryin to accomplish? 1930 
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