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Site News: 26 Aug 2026

Romy the Cat has found another room. I’ve started a new fiction project under my name, Roman Bessnow. The new work is at MutationsBook.com
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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. 5846 
A mono LF channel – I do not like it. 5842 
LF Results 5842 
The size maters 5841 
Response Curve 5841 
ULF placement and power 5841 
Wishful thinking and the Maelstrom-21 5841 
I will need a direct radiator under the bottom… 5841 
ULF experience: Drivers & power considerations cont'd 5840 
To experiment during the New England winter 5840 
Pitching pitch 5840 
There are many key points…. 5840 
A first true bass test 5824 
Actually…. 5824 
Best place lost? 5819 
Best location for bass, where art thou? 5819 
What to expect from ULF channel? 5803 
OK, it is something. 5802 
The new ULF scenario experiments. 5795 
Time coherence of ULF - my experience 5795 
Placement of ULF #2 5795 
Why I like the like the location #1 5795 
I need to find another ULF solution. 5787 
Ceiling subs 5786 
The infinite baffle shall be a very good solution. 5786 
This morning I woke up horny 5786 
Dsp 5786 
Parametric filters 5785 
SMS 1, Act II 5785 
I think I have found the problem with my ULF 5785 
SMS distortion issue? 5785 
At 30Hz of high order there are not truly tone” of “sound” 5785 
DCX output stage mods 5785 
Very small minority of the folks… 5785 
Exactly zero I suspect. . . 5785 
DSP vs. Music vs. HT 5785 
10" array; how low? & SMS-1 distortion 5785 
Interesting: 10” vs. 15” 5785 
Multiples of the Same Rising Response Curve? 5785 
The crisis of perception. 5784 
Dynamic range of ULF, tsunami and something else. 5783 
The Circle Unbroken 5783 
I wonder… is it PP2000? 5767 
The ULF and PurePower 2000 5758 
ULF Channel and LP playback. 5701 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5699 
I do not have an opinion yet. 5699 
Imponderabilis Neurosis 5699 
Bass non-pathologic hallucination… 5699 
A new paradigm for ULF? 5699 
…a number of logical flaws… 5699 
MAD HATTER 5698 
Thinking about my lower bass 5678 
Has Schrödinger's cat moved in unnoticed? 5678 
Wrong. 5678 
Groove Echo 5678 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5677 
Listening help with ULF stimulator 5677 
The ULF debate: time-alignment 5675 
Trying to address the dilemma with lowest bass. 5674 
Rotary woofer for ULF? 5674 
I do not need a Rotary woofer, I need to be less Moron. 5674 
*** 5674 
Congrats 5673 
Getting some maturity with ULF 5672 
About ULF attenuation. 5671 
How is it implemented? 5671 
My implementation of ULF channel. 5671 
Further thoughts about ULF channel. 5670 
ULF 5670 
I would agree but… 5670 
The problem that that I see with my ULF 5670 
Loudspeaker Proximity Coupling in Midbass & ULF 5670 
Great rotary idea! 5670 
Brilliant analyses! 5670 
Going down with bass 5668 
Under FS 5668 
Ideal ULF/Midbass integration 5668 
My super smart room! 5668 
Erratum ( or errata if you insist) 5668 
The issue is a complex one and should not be addressed generically ... 5668 
Cost benefit analysis of midbass horns v/s compromised ULF 5668 
There is no cost-benefit analysis for this thing. 5668 
I will experiment. 5668 
Sometimes experiment is not just experiment. 5668 
One Bass Horn or Two – for Oxric 5667 
My ways to mimic Reality. 5667 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5667 
"the purpose of playing, whose end both at the first and now..." 5667 
No manuals for those things…. 5667 
More about Rotary ULF idea. 5662 
Phoenix Gold Cyclone 5662 
Passing the waves…. as usual.... 5658 
Drive ULF Amp from Midbass Amp Output 5657 
There is “something”… 5657 
I do not know what I deal with. 5656 
I want my ULF amp back. 5645 
ULF emergency: Big & nasty solutions 5644 
No-amplification time 5644 
Listening audio without ULF. 5643 
Ok, I got the bass amp… 5643 
How much power do I need for my ULF. 5633 
A True ULF - what an amassing tool!!! 5631 
Put Marchand Crossover into the game. 5627 
I begin to like my active crossover. 5615 
Line-level passive vs. active ULF filter 5613 
Hm, there is no way to escape the 4th order. 5613 
Phase butterfly effect. 5612 
Back to DSP? 5612 
What I am trying to accomplish. 5612 
The art of ULF volume adjustment. 5611 
Sitting on a fence with ULF 5609 
The overly-swallowable bass. 5602 
To deLamminate my ULF channel. 5601 
What a beautiful result!!! 5600 
Pipe Organ with 128' register in Augsburg, Germany 5594 
An absolute must for ULF channel. 5577 
The compartmentalized bass 5454 
Paralleled SET bass 5450 
A new concept of ULF channel. 5442 
Infinite baffle 5442 
A 4th order bandpass vibrator? 5442 
ULF idea, possibly stupid. 5441 
IB vs Horn 5441 
A Distributed Infinite Baffle? 5440 
"Tuning" the "IB" 5440 
Flip 90 degrees 5440 
Little bump and the elephant solutions 5440 
How to do THAT? 5439 
ULF from coffee table 5439 
The through-hole tapped horn. 5439 
25 hz at 6db? 5439 
ULF from the SledgeHammer 5439 
Why not really use the basement 5439 
Never say never 5439 
How good ULF needs to be? 5428 
How good the user needs to be? 5428 
Maybe . . . 5428 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5428 
Narrow [Band] Tuning (DSP?) 5428 
ULF-only Sound 5388 
An easy ULF solution for someone. 5380 
Red Grills 5380 
It is exactly what I would like to avoid. 5379 
So I took your advice 5321 
Ok, let me know how it goes. 5321 
The ULF amp Itch. 5307 
Here is an update for the old thread.... 2928 
Good highs 2928 
Marchand 1985 
What truly are you tryin to accomplish? 1985 
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