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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. 5832 
A mono LF channel – I do not like it. 5828 
LF Results 5828 
The size maters 5827 
Response Curve 5827 
ULF placement and power 5827 
Wishful thinking and the Maelstrom-21 5827 
I will need a direct radiator under the bottom… 5827 
ULF experience: Drivers & power considerations cont'd 5826 
To experiment during the New England winter 5826 
Pitching pitch 5826 
There are many key points…. 5826 
A first true bass test 5810 
Actually…. 5810 
Best place lost? 5805 
Best location for bass, where art thou? 5805 
What to expect from ULF channel? 5789 
OK, it is something. 5788 
The new ULF scenario experiments. 5781 
Time coherence of ULF - my experience 5781 
Placement of ULF #2 5781 
Why I like the like the location #1 5781 
I need to find another ULF solution. 5773 
Ceiling subs 5772 
The infinite baffle shall be a very good solution. 5772 
This morning I woke up horny 5772 
Dsp 5772 
Parametric filters 5771 
SMS 1, Act II 5771 
I think I have found the problem with my ULF 5771 
SMS distortion issue? 5771 
At 30Hz of high order there are not truly tone” of “sound” 5771 
DCX output stage mods 5771 
Very small minority of the folks… 5771 
Exactly zero I suspect. . . 5771 
DSP vs. Music vs. HT 5771 
10" array; how low? & SMS-1 distortion 5771 
Interesting: 10” vs. 15” 5771 
Multiples of the Same Rising Response Curve? 5771 
The crisis of perception. 5770 
Dynamic range of ULF, tsunami and something else. 5769 
The Circle Unbroken 5769 
I wonder… is it PP2000? 5753 
The ULF and PurePower 2000 5744 
ULF Channel and LP playback. 5687 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5685 
I do not have an opinion yet. 5685 
Imponderabilis Neurosis 5685 
Bass non-pathologic hallucination… 5685 
A new paradigm for ULF? 5685 
…a number of logical flaws… 5685 
MAD HATTER 5684 
Thinking about my lower bass 5664 
Has Schrödinger's cat moved in unnoticed? 5664 
Wrong. 5664 
Groove Echo 5664 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5663 
Listening help with ULF stimulator 5663 
The ULF debate: time-alignment 5661 
Trying to address the dilemma with lowest bass. 5660 
Rotary woofer for ULF? 5660 
I do not need a Rotary woofer, I need to be less Moron. 5660 
*** 5660 
Congrats 5659 
Getting some maturity with ULF 5658 
About ULF attenuation. 5657 
How is it implemented? 5657 
My implementation of ULF channel. 5657 
Further thoughts about ULF channel. 5656 
ULF 5656 
I would agree but… 5656 
The problem that that I see with my ULF 5656 
Loudspeaker Proximity Coupling in Midbass & ULF 5656 
Great rotary idea! 5656 
Brilliant analyses! 5656 
Going down with bass 5654 
Under FS 5654 
Ideal ULF/Midbass integration 5654 
My super smart room! 5654 
Erratum ( or errata if you insist) 5654 
The issue is a complex one and should not be addressed generically ... 5654 
Cost benefit analysis of midbass horns v/s compromised ULF 5654 
There is no cost-benefit analysis for this thing. 5654 
I will experiment. 5654 
Sometimes experiment is not just experiment. 5654 
One Bass Horn or Two – for Oxric 5653 
My ways to mimic Reality. 5653 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5653 
"the purpose of playing, whose end both at the first and now..." 5653 
No manuals for those things…. 5653 
More about Rotary ULF idea. 5648 
Phoenix Gold Cyclone 5648 
Passing the waves…. as usual.... 5644 
Drive ULF Amp from Midbass Amp Output 5643 
There is “something”… 5643 
I do not know what I deal with. 5642 
I want my ULF amp back. 5631 
ULF emergency: Big & nasty solutions 5630 
No-amplification time 5630 
Listening audio without ULF. 5629 
Ok, I got the bass amp… 5629 
How much power do I need for my ULF. 5619 
A True ULF - what an amassing tool!!! 5617 
Put Marchand Crossover into the game. 5613 
I begin to like my active crossover. 5601 
Line-level passive vs. active ULF filter 5599 
Hm, there is no way to escape the 4th order. 5599 
Phase butterfly effect. 5598 
Back to DSP? 5598 
What I am trying to accomplish. 5598 
The art of ULF volume adjustment. 5597 
Sitting on a fence with ULF 5595 
The overly-swallowable bass. 5588 
To deLamminate my ULF channel. 5587 
What a beautiful result!!! 5586 
Pipe Organ with 128' register in Augsburg, Germany 5580 
An absolute must for ULF channel. 5563 
The compartmentalized bass 5440 
Paralleled SET bass 5436 
A new concept of ULF channel. 5428 
Infinite baffle 5428 
A 4th order bandpass vibrator? 5428 
ULF idea, possibly stupid. 5427 
IB vs Horn 5427 
A Distributed Infinite Baffle? 5426 
"Tuning" the "IB" 5426 
Flip 90 degrees 5426 
Little bump and the elephant solutions 5426 
How to do THAT? 5425 
ULF from coffee table 5425 
The through-hole tapped horn. 5425 
25 hz at 6db? 5425 
ULF from the SledgeHammer 5425 
Why not really use the basement 5425 
Never say never 5425 
How good ULF needs to be? 5414 
How good the user needs to be? 5414 
Maybe . . . 5414 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5414 
Narrow [Band] Tuning (DSP?) 5414 
ULF-only Sound 5374 
An easy ULF solution for someone. 5366 
Red Grills 5366 
It is exactly what I would like to avoid. 5365 
So I took your advice 5307 
Ok, let me know how it goes. 5307 
The ULF amp Itch. 5293 
Here is an update for the old thread.... 2914 
Good highs 2914 
Marchand 1971 
What truly are you tryin to accomplish? 1971 
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