Site by Roman Bessnow
Romy The Cat's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
Site News: 13 Sep 2025
That posting bug has been addressed.
Romy The Cat's Playback
Audio Knowledge Tree ™
Romy's "Audio Rules"
Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
Random Site's Threads
» BD-Design’s Orelino
» America, version 2004
» SME M2-12 tonearm
» Mozart Concertos; Clarin»
» An idea of “Rain Wake-Up»
» Think ahead how to measu»
» What is High-End Audio, »
» Ghorbani&Hamdani sin»
» Avantgarde Trio G3 Louds»
» Melquiades For Dummies™ »
» Wasted Time and "be»
» Building horn onto power»
» Listening Pipe Organ Mus»
» Those little headphones…
» RIP, Joan Sutherland, &q»
» New set-up causing major»
» The Opera Room
» Help with Math needed.
» Red Violin Concerto
» The 'nature' of said rea»
» A littlie D-War: Bidat v»
» Benz Gullwing and Hi all
» Stupid SME question abou»
» Shindo Latour
» Playing American Music o»
» Matching audio to music:»
» Thomas Mayer’s Triamp
» My today’s views on LP c»
» Audio treasure find
» Polish Chamber Choir - S»
» About DSET-driven multi-»
» Next week in Metropolita»
» A great production of th»
» The benefits of ultra hi»
» Null-set dipole butterfl»
» De-stress not decompress»
» Don Quixote BSO Live tod»
» About the (secret) rules»
Bookmarked are red
Random Site Links
Radiotron Designers Hand»
Michelangeli Discography
Museatex
NPR's SymphonyCast
Classic Artc Showcase
MusicWeb
Holger Klein's Soundpage»
The Thiele-Small Loudspe»
Appian Publications & Re»
Electron Tube Data sheets
Silent Running Audio
Twogoodears' Blog
More Links »»
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. 5596 
A mono LF channel – I do not like it. 5592 
LF Results 5592 
The size maters 5591 
Response Curve 5591 
ULF placement and power 5591 
Wishful thinking and the Maelstrom-21 5591 
I will need a direct radiator under the bottom… 5591 
ULF experience: Drivers & power considerations cont'd 5590 
To experiment during the New England winter 5590 
Pitching pitch 5590 
There are many key points…. 5590 
A first true bass test 5574 
Actually…. 5574 
Best place lost? 5569 
Best location for bass, where art thou? 5569 
What to expect from ULF channel? 5553 
OK, it is something. 5552 
The new ULF scenario experiments. 5545 
Time coherence of ULF - my experience 5545 
Placement of ULF #2 5545 
Why I like the like the location #1 5545 
I need to find another ULF solution. 5537 
Ceiling subs 5536 
The infinite baffle shall be a very good solution. 5536 
This morning I woke up horny 5536 
Dsp 5536 
Parametric filters 5535 
SMS 1, Act II 5535 
I think I have found the problem with my ULF 5535 
SMS distortion issue? 5535 
At 30Hz of high order there are not truly tone” of “sound” 5535 
DCX output stage mods 5535 
Very small minority of the folks… 5535 
Exactly zero I suspect. . . 5535 
DSP vs. Music vs. HT 5535 
10" array; how low? & SMS-1 distortion 5535 
Interesting: 10” vs. 15” 5535 
Multiples of the Same Rising Response Curve? 5535 
The crisis of perception. 5534 
Dynamic range of ULF, tsunami and something else. 5533 
The Circle Unbroken 5533 
I wonder… is it PP2000? 5517 
The ULF and PurePower 2000 5508 
ULF Channel and LP playback. 5451 
Are original Aura Sound 1808 sound ULF solution for sealed enclosure? 5449 
I do not have an opinion yet. 5449 
Imponderabilis Neurosis 5449 
Bass non-pathologic hallucination… 5449 
A new paradigm for ULF? 5449 
…a number of logical flaws… 5449 
MAD HATTER 5448 
Thinking about my lower bass 5428 
Has Schrödinger's cat moved in unnoticed? 5428 
Wrong. 5428 
Groove Echo 5428 
Wrong? Actually, our actual positions differ very little, surprisingly enough. 5427 
Listening help with ULF stimulator 5427 
The ULF debate: time-alignment 5425 
Trying to address the dilemma with lowest bass. 5424 
Rotary woofer for ULF? 5424 
I do not need a Rotary woofer, I need to be less Moron. 5424 
*** 5424 
Congrats 5423 
Getting some maturity with ULF 5422 
About ULF attenuation. 5421 
How is it implemented? 5421 
My implementation of ULF channel. 5421 
Further thoughts about ULF channel. 5420 
ULF 5420 
I would agree but… 5420 
The problem that that I see with my ULF 5420 
Loudspeaker Proximity Coupling in Midbass & ULF 5420 
Great rotary idea! 5420 
Brilliant analyses! 5420 
Going down with bass 5418 
Under FS 5418 
Ideal ULF/Midbass integration 5418 
My super smart room! 5418 
Erratum ( or errata if you insist) 5418 
The issue is a complex one and should not be addressed generically ... 5418 
Cost benefit analysis of midbass horns v/s compromised ULF 5418 
There is no cost-benefit analysis for this thing. 5418 
I will experiment. 5418 
Sometimes experiment is not just experiment. 5418 
One Bass Horn or Two – for Oxric 5417 
My ways to mimic Reality. 5417 
Patent GB 394,325. "Transmitting, recording, and reproducing music..." 5417 
"the purpose of playing, whose end both at the first and now..." 5417 
No manuals for those things…. 5417 
More about Rotary ULF idea. 5412 
Phoenix Gold Cyclone 5412 
Passing the waves…. as usual.... 5408 
Drive ULF Amp from Midbass Amp Output 5407 
There is “something”… 5407 
I do not know what I deal with. 5406 
I want my ULF amp back. 5395 
ULF emergency: Big & nasty solutions 5394 
No-amplification time 5394 
Listening audio without ULF. 5393 
Ok, I got the bass amp… 5393 
How much power do I need for my ULF. 5383 
A True ULF - what an amassing tool!!! 5381 
Put Marchand Crossover into the game. 5377 
I begin to like my active crossover. 5365 
Line-level passive vs. active ULF filter 5363 
Hm, there is no way to escape the 4th order. 5363 
Phase butterfly effect. 5362 
Back to DSP? 5362 
What I am trying to accomplish. 5362 
The art of ULF volume adjustment. 5361 
Sitting on a fence with ULF 5359 
The overly-swallowable bass. 5352 
To deLamminate my ULF channel. 5351 
What a beautiful result!!! 5350 
Pipe Organ with 128' register in Augsburg, Germany 5344 
An absolute must for ULF channel. 5327 
The compartmentalized bass 5204 
Paralleled SET bass 5200 
A new concept of ULF channel. 5192 
Infinite baffle 5192 
A 4th order bandpass vibrator? 5192 
ULF idea, possibly stupid. 5191 
IB vs Horn 5191 
A Distributed Infinite Baffle? 5190 
"Tuning" the "IB" 5190 
Flip 90 degrees 5190 
Little bump and the elephant solutions 5190 
How to do THAT? 5189 
ULF from coffee table 5189 
The through-hole tapped horn. 5189 
25 hz at 6db? 5189 
ULF from the SledgeHammer 5189 
Why not really use the basement 5189 
Never say never 5189 
How good ULF needs to be? 5178 
How good the user needs to be? 5178 
Maybe . . . 5178 
I think there is little evidence of marketing bias in the papers. Call me naive if you wish. 5178 
Narrow [Band] Tuning (DSP?) 5178 
ULF-only Sound 5138 
An easy ULF solution for someone. 5130 
Red Grills 5130 
It is exactly what I would like to avoid. 5129 
So I took your advice 5071 
Ok, let me know how it goes. 5071 
The ULF amp Itch. 5057 
Here is an update for the old thread.... 2678 
Good highs 2678 
Marchand 1735 
What truly are you tryin to accomplish? 1735 
All context of this site except the Forum's posts Copyright © Roman Bessnow 2004-2026
All messages within the Site’s Forum Copyright © by authors of the posts
Last 24-hours posts:  5  
Total human visitors:  56,337,640  
Search the Site
   
      Search Site Forum
     Search Site via Google
 
Login into Site
Login:
Pass:
    Create a New Account
    Forgot your Account
Classical events in Boston
APR 11 Benjamin Zander, con»
APR 12 Chamber Music in Nee»
APR 12 Magdalene Ho, pianis»
APR 12 Takács Quartet in Gr»
APR 12 Takács Quartet in Gr»
APR 12 Jordi Savall & Hespè»
APR 17 American Views in Bo»
APR 17 In Search of New Wor»
NPR Classical Programs
lang lang: tiny desk (home)»
marin alsop on her swing or»
mahan esfahani: tiny desk c»
cellist lynn harrell has di»
npr music's top 14 albums o»
anthony davis wins pulitzer»
augustin hadelich: tiny des»
c.p.e. bach: mercurial dive»
Classical Music News
classical music news - leo»
classical music news - aug»
is bach better on harp?»
julian bream, maestro of g»
a woman takes the podium a»
he wasn’t toscanini, but h»
9 things to do this weeken»
classical music news. diab»
another trump blunder»
from concerts to cartoons:»
classical music livestream»
how to diversify orchestra»
ethel smyth, a composer lo»
classical music attracts o»
‘the lost pianos of siberi»
5 minutes that will make y»
it’s (almost) business as »
the lost pianos of siberia»
leon fleisher, 92, dies; s»
More Music News »»
Composer's Anniversaries
Zumsteeg, Johann Rudolf (1»
Dorn, Heinrich (Ludwig Egm»
Benjamin, Godard (18 Augus»
Aubert, Louis (19 February»
Bridge, Frank (26 February»
Jordan, Sverre (25 May 188»
Scherber, Martin (16 Janua»
Gillis, Don (16 June 1912-»
Eldering, Klaas (10 Januar»
My Audio Leftovers
Hillock TV-2 tube tester
Rohde & Schwarz EU-6201»
Purist Audio Design Pro»
Micro-Seiki air-suspend»
Vitavox AK151 15" bass »
Stage Acompany SA8535 d»
Vitavox 330Hz Horn for »
Koetsu Onyx Platinum Ca»
Purist Audio Design Pro»
Electro-Voice T350 twee»
Korvet “Egg” Tonearm
More Leftovers »»