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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. 5876 
A mono LF channel – I do not like it. 5872 
LF Results 5872 
The size maters 5871 
Response Curve 5871 
ULF placement and power 5871 
Wishful thinking and the Maelstrom-21 5871 
I will need a direct radiator under the bottom… 5871 
ULF experience: Drivers & power considerations cont'd 5870 
To experiment during the New England winter 5870 
Pitching pitch 5870 
There are many key points…. 5870 
A first true bass test 5854 
Actually…. 5854 
Best place lost? 5849 
Best location for bass, where art thou? 5849 
What to expect from ULF channel? 5833 
OK, it is something. 5832 
The new ULF scenario experiments. 5825 
Time coherence of ULF - my experience 5825 
Placement of ULF #2 5825 
Why I like the like the location #1 5825 
I need to find another ULF solution. 5817 
Ceiling subs 5816 
The infinite baffle shall be a very good solution. 5816 
This morning I woke up horny 5816 
Dsp 5816 
Parametric filters 5815 
SMS 1, Act II 5815 
I think I have found the problem with my ULF 5815 
SMS distortion issue? 5815 
At 30Hz of high order there are not truly tone” of “sound” 5815 
DCX output stage mods 5815 
Very small minority of the folks… 5815 
Exactly zero I suspect. . . 5815 
DSP vs. Music vs. HT 5815 
10" array; how low? & SMS-1 distortion 5815 
Interesting: 10” vs. 15” 5815 
Multiples of the Same Rising Response Curve? 5815 
The crisis of perception. 5814 
Dynamic range of ULF, tsunami and something else. 5813 
The Circle Unbroken 5813 
I wonder… is it PP2000? 5797 
The ULF and PurePower 2000 5788 
ULF Channel and LP playback. 5731 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5729 
I do not have an opinion yet. 5729 
Imponderabilis Neurosis 5729 
Bass non-pathologic hallucination… 5729 
A new paradigm for ULF? 5729 
…a number of logical flaws… 5729 
MAD HATTER 5728 
Thinking about my lower bass 5708 
Has Schrödinger's cat moved in unnoticed? 5708 
Wrong. 5708 
Groove Echo 5708 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5707 
Listening help with ULF stimulator 5707 
The ULF debate: time-alignment 5705 
Trying to address the dilemma with lowest bass. 5704 
Rotary woofer for ULF? 5704 
I do not need a Rotary woofer, I need to be less Moron. 5704 
*** 5704 
Congrats 5703 
Getting some maturity with ULF 5702 
About ULF attenuation. 5701 
How is it implemented? 5701 
My implementation of ULF channel. 5701 
Further thoughts about ULF channel. 5700 
ULF 5700 
I would agree but… 5700 
The problem that that I see with my ULF 5700 
Loudspeaker Proximity Coupling in Midbass & ULF 5700 
Great rotary idea! 5700 
Brilliant analyses! 5700 
Going down with bass 5698 
Under FS 5698 
Ideal ULF/Midbass integration 5698 
My super smart room! 5698 
Erratum ( or errata if you insist) 5698 
The issue is a complex one and should not be addressed generically ... 5698 
Cost benefit analysis of midbass horns v/s compromised ULF 5698 
There is no cost-benefit analysis for this thing. 5698 
I will experiment. 5698 
Sometimes experiment is not just experiment. 5698 
One Bass Horn or Two – for Oxric 5697 
My ways to mimic Reality. 5697 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5697 
"the purpose of playing, whose end both at the first and now..." 5697 
No manuals for those things…. 5697 
More about Rotary ULF idea. 5692 
Phoenix Gold Cyclone 5692 
Passing the waves…. as usual.... 5688 
Drive ULF Amp from Midbass Amp Output 5687 
There is “something”… 5687 
I do not know what I deal with. 5686 
I want my ULF amp back. 5675 
ULF emergency: Big & nasty solutions 5674 
No-amplification time 5674 
Listening audio without ULF. 5673 
Ok, I got the bass amp… 5673 
How much power do I need for my ULF. 5663 
A True ULF - what an amassing tool!!! 5661 
Put Marchand Crossover into the game. 5657 
I begin to like my active crossover. 5645 
Line-level passive vs. active ULF filter 5643 
Hm, there is no way to escape the 4th order. 5643 
Phase butterfly effect. 5642 
Back to DSP? 5642 
What I am trying to accomplish. 5642 
The art of ULF volume adjustment. 5641 
Sitting on a fence with ULF 5639 
The overly-swallowable bass. 5632 
To deLamminate my ULF channel. 5631 
What a beautiful result!!! 5630 
Pipe Organ with 128' register in Augsburg, Germany 5624 
An absolute must for ULF channel. 5607 
The compartmentalized bass 5484 
Paralleled SET bass 5480 
A new concept of ULF channel. 5472 
Infinite baffle 5472 
A 4th order bandpass vibrator? 5472 
ULF idea, possibly stupid. 5471 
IB vs Horn 5471 
A Distributed Infinite Baffle? 5470 
"Tuning" the "IB" 5470 
Flip 90 degrees 5470 
Little bump and the elephant solutions 5470 
How to do THAT? 5469 
ULF from coffee table 5469 
The through-hole tapped horn. 5469 
25 hz at 6db? 5469 
ULF from the SledgeHammer 5469 
Why not really use the basement 5469 
Never say never 5469 
How good ULF needs to be? 5458 
How good the user needs to be? 5458 
Maybe . . . 5458 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5458 
Narrow [Band] Tuning (DSP?) 5458 
ULF-only Sound 5418 
An easy ULF solution for someone. 5410 
Red Grills 5410 
It is exactly what I would like to avoid. 5409 
So I took your advice 5351 
Ok, let me know how it goes. 5351 
The ULF amp Itch. 5337 
Here is an update for the old thread.... 2958 
Good highs 2958 
Marchand 2015 
What truly are you tryin to accomplish? 2015 
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