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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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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Macondo’s lowest channel. 5890 
A mono LF channel – I do not like it. 5886 
LF Results 5886 
The size maters 5885 
Response Curve 5885 
ULF placement and power 5885 
Wishful thinking and the Maelstrom-21 5885 
I will need a direct radiator under the bottom… 5885 
ULF experience: Drivers & power considerations cont'd 5884 
To experiment during the New England winter 5884 
Pitching pitch 5884 
There are many key points…. 5884 
A first true bass test 5868 
Actually…. 5868 
Best place lost? 5863 
Best location for bass, where art thou? 5863 
What to expect from ULF channel? 5847 
OK, it is something. 5846 
The new ULF scenario experiments. 5839 
Time coherence of ULF - my experience 5839 
Placement of ULF #2 5839 
Why I like the like the location #1 5839 
I need to find another ULF solution. 5831 
Ceiling subs 5830 
The infinite baffle shall be a very good solution. 5830 
This morning I woke up horny 5830 
Dsp 5830 
Parametric filters 5829 
SMS 1, Act II 5829 
I think I have found the problem with my ULF 5829 
SMS distortion issue? 5829 
At 30Hz of high order there are not truly tone” of “sound” 5829 
DCX output stage mods 5829 
Very small minority of the folks… 5829 
Exactly zero I suspect. . . 5829 
DSP vs. Music vs. HT 5829 
10" array; how low? & SMS-1 distortion 5829 
Interesting: 10” vs. 15” 5829 
Multiples of the Same Rising Response Curve? 5829 
The crisis of perception. 5828 
Dynamic range of ULF, tsunami and something else. 5827 
The Circle Unbroken 5827 
I wonder… is it PP2000? 5811 
The ULF and PurePower 2000 5802 
ULF Channel and LP playback. 5745 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5743 
I do not have an opinion yet. 5743 
Imponderabilis Neurosis 5743 
Bass non-pathologic hallucination… 5743 
A new paradigm for ULF? 5743 
…a number of logical flaws… 5743 
MAD HATTER 5742 
Thinking about my lower bass 5722 
Has Schrödinger's cat moved in unnoticed? 5722 
Wrong. 5722 
Groove Echo 5722 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5721 
Listening help with ULF stimulator 5721 
The ULF debate: time-alignment 5719 
Trying to address the dilemma with lowest bass. 5718 
Rotary woofer for ULF? 5718 
I do not need a Rotary woofer, I need to be less Moron. 5718 
*** 5718 
Congrats 5717 
Getting some maturity with ULF 5716 
About ULF attenuation. 5715 
How is it implemented? 5715 
My implementation of ULF channel. 5715 
Further thoughts about ULF channel. 5714 
ULF 5714 
I would agree but… 5714 
The problem that that I see with my ULF 5714 
Loudspeaker Proximity Coupling in Midbass & ULF 5714 
Great rotary idea! 5714 
Brilliant analyses! 5714 
Going down with bass 5712 
Under FS 5712 
Ideal ULF/Midbass integration 5712 
My super smart room! 5712 
Erratum ( or errata if you insist) 5712 
The issue is a complex one and should not be addressed generically ... 5712 
Cost benefit analysis of midbass horns v/s compromised ULF 5712 
There is no cost-benefit analysis for this thing. 5712 
I will experiment. 5712 
Sometimes experiment is not just experiment. 5712 
One Bass Horn or Two – for Oxric 5711 
My ways to mimic Reality. 5711 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5711 
"the purpose of playing, whose end both at the first and now..." 5711 
No manuals for those things…. 5711 
More about Rotary ULF idea. 5706 
Phoenix Gold Cyclone 5706 
Passing the waves…. as usual.... 5702 
Drive ULF Amp from Midbass Amp Output 5701 
There is “something”… 5701 
I do not know what I deal with. 5700 
I want my ULF amp back. 5689 
ULF emergency: Big & nasty solutions 5688 
No-amplification time 5688 
Listening audio without ULF. 5687 
Ok, I got the bass amp… 5687 
How much power do I need for my ULF. 5677 
A True ULF - what an amassing tool!!! 5675 
Put Marchand Crossover into the game. 5671 
I begin to like my active crossover. 5659 
Line-level passive vs. active ULF filter 5657 
Hm, there is no way to escape the 4th order. 5657 
Phase butterfly effect. 5656 
Back to DSP? 5656 
What I am trying to accomplish. 5656 
The art of ULF volume adjustment. 5655 
Sitting on a fence with ULF 5653 
The overly-swallowable bass. 5646 
To deLamminate my ULF channel. 5645 
What a beautiful result!!! 5644 
Pipe Organ with 128' register in Augsburg, Germany 5638 
An absolute must for ULF channel. 5621 
The compartmentalized bass 5498 
Paralleled SET bass 5494 
A new concept of ULF channel. 5486 
Infinite baffle 5486 
A 4th order bandpass vibrator? 5486 
ULF idea, possibly stupid. 5485 
IB vs Horn 5485 
A Distributed Infinite Baffle? 5484 
"Tuning" the "IB" 5484 
Flip 90 degrees 5484 
Little bump and the elephant solutions 5484 
How to do THAT? 5483 
ULF from coffee table 5483 
The through-hole tapped horn. 5483 
25 hz at 6db? 5483 
ULF from the SledgeHammer 5483 
Why not really use the basement 5483 
Never say never 5483 
How good ULF needs to be? 5472 
How good the user needs to be? 5472 
Maybe . . . 5472 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5472 
Narrow [Band] Tuning (DSP?) 5472 
ULF-only Sound 5432 
An easy ULF solution for someone. 5424 
Red Grills 5424 
It is exactly what I would like to avoid. 5423 
So I took your advice 5365 
Ok, let me know how it goes. 5365 
The ULF amp Itch. 5351 
Here is an update for the old thread.... 2972 
Good highs 2972 
Marchand 2029 
What truly are you tryin to accomplish? 2029 
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