Site by Roman Bessnow
GoodSoundClub's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
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
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
» A very good horns system.
» It is possible to elimin»
» French Horns/drivers sho»
» Practicality of paper ma»
» What is it all about? De»
» CD horn and JBL: Crossov»
» Shall quality-price be r»
» A phenomenal find: Garvi»
» Professional sound syste»
» Prices in High-End Audio.
» Open cell foam in horns »
» Hans Vonk Legacy
» Antenna solutions for FM
» Martin-Logan, Myles Asto»
» Problems with horns: twe»
» Mystery of bass horn cal»
» Building horn onto power»
» A great conductor - but »
» The Engström & »
» Sounds of Science
» A dive to Auro 3D
» High End Audio and music»
» Dannoy and oxytocin...
» Turntable speed analysis.
» The Herbert von Karajan’»
» Why second tonearm/cartr»
» What is High-End Audio, »
» Koshka gets a beautiful »
» Future of high-end audio
» High-End Audio and ... c»
» Transparent horns
» High-end audio: Absolute»
» Melq 6e5p driver stage f»
» The fantastic Lucas Deba»
» Rebel++ first blood, Amp»
» Classic Artc Showcase St»
» An angry engineer...
» The most ridicules symph»
Bookmarked are red
Random Site Links
Alexander Karpov’s “Next»
Electron Tube Data sheets
Graeme's Speaker DIY Pag»
Tuners Stereo Surgeons
Professional Audio Calcu»
Martha Argerich Site
Pjay's Speaker building »
Altec divers/horns
Broadcast History
Classical Music Streams
Higherfi.com
American Broadcasting
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.
Single-stage Melquiades vs. DHT amps 6489 
One-stage Milq++ and the DHT's alleged tone 6488 
DHT Milq? 6488 
The DHT journey. 6488 
DHT tone 6488 
Well, why not? 6487 
Holding the Fort 6487 
My DHT experiment: Preface 6487 
Input tube and DC heaters 6486 
Reimyo Pat 777 6486 
My DHT experiment: Observations 6482 
DHT or 300B? 6482 
300B 6482 
Talking, perception and the grounds for objectively 6482 
The Wine Via the Wine Glass 6481 
Hence the confusion 6481 
My DHT experiment: some conclusions. 6481 
Reality Reconstruction is not a functionality. 6481 
My experience with DHTs 6481 
Pigmented coloration? 6481 
Dht-dht 6481 
Dynamic viscosity? 6481 
The Pallette preamp... 6481 
If one DHT is good, two must be better? 6481 
"soul" of tubes 6481 
There is a difference... 6481 
Vibration injection? 6481 
Homework # 4334 6481 
The 01A-71A-10Y-45 chain 6481 
Old valves have more soul! 6480 
Was it soul or soil? 6480 
It was just a heading 6480 
Adjustable color: TIMBRE LOCK? 6480 
Neutral or neutral/uncoloured? 6480 
..are lacking in power, dynamics and bandwidth. 6480 
Timbre-Lock. Not quite ready for prime time. 6480 
Injection of analog dither? 6480 
Subliminal signal 6480 
The idea of analog randomanization. 6480 
Okay, what Avicena Power Generator 6480 
I hope you will be hearing about it. 6479 
Avicenna = Arabian 6479 
Persian, not Arab 6479 
The “second solution” - a major disappointment 6479 
More words to describe "sux" please 6479 
Revolution 6479 
The non-melodramatic DHT? 6479 
One-stage DHTs 6478 
One other thing 6478 
One stage 6478 
Brewing, thinking and heating 6478 
Physical characteristics of electronic devices 6478 
I see the things differently. 6478 
Don't waste time being "creative" 6478 
The audiophile attitude 6478 
The where and why of design choices 6478 
Blah blah blah 6478 
Laconic Clarity vs. Comfort vs. Nostalgia 6478 
Do I need to be hissing? 6478 
...associated with lack of neutrality and colorati... 6478 
John Broskie's Partial feedback amplifier 6478 
Randomness vs. freedom and the Homework # 4334 6477 
What is randomness? 6477 
Those least three possibilities… 6477 
Randomness and Music's Prerogative 6477 
It works, … sort of. The revolution is canceled. 6477 
Thorsten Loesch’s article about DHT SETs 6475 
A Beautiful Mind 6474 
Some summary and conclusions from the first phase. 6472 
Second phase: revising requirement for my DHT objectives. 6457 
Tubes for your DHT amp 6457 
Abandoning Milq? 6457 
Will see how it goes.... 6457 
Single-stage Milq vs. Sun Audio VT-2A3 6455 
Topology and 2A3? 6455 
6SN7-2A3 amps? 6455 
Type Casting 6455 
Sun Audio SV-2A3 6455 
6sn7-2a3 6455 
Topology vs parts 6455 
For a DHT amp, you are listening to the power supply 6455 
The vintage tubes syndrome. 6455 
Parts Frenzy 6455 
Too many new sounds 6455 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6454 
New tubes 6453 
Milq bias vs. batery bias 6453 
The batteries are a tricky thing. 6453 
Swimming the ocean at night? 6453 
New 2A3 6453 
To kill of do not kill the capacitor. 6452 
The JJ Electronic amp. 6451 
JJ 2A3 and amp 6451 
Czech tubes 6449 
Single plated vs Double plated? 6449 
Mono plate 2A3 tubes 6449 
I suggested once VT52 tube 6448 
The 800R vs. 1800R vs. 5500R 6448 
YO-186 as the output tube. 6445 
Here she is. 6444 
Some talks about the new production tubes 6440 
New 2A3 tubes 6440 
Some thoughts about one-IHT vs. multiple-DHT 6440 
The Sun Audio with 6E5P 6439 
Multistage DHT circuits 6438 
Wrong tube or wrong topology – here is the question. 6437 
Emission Labs 2A3 6437 
Some comment and questions about then 2A3 talks. 6437 
Which Chinese 2A3? 6437 
OK, for a first time I like the San Audio Kit. 6437 
The YO186 Strip Show 6437 
More on the 2A3 comparisons 6436 
It will be interesting…. 6436 
OPT impedence 6436 
More about the Plate Loading 6436 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6431 
2A3 data 6431 
The New 2A3 tubes 6431 
How many stages I need for 110dB sensitivity, smal... 6431 
How many stages and why... and who makes that 45 o... 6430 
Everything about everything. 6430 
Some very good points... and... possibly more logi... 6430 
Options, options, options.... 6430 
I think we agree overall 6430 
An IDHT with more gain? 6429 
You don't ask for much now, eh? 6429 
2A3 tube impressions 6424 
Interesting analogy 6424 
NOS 2A3 tubes versus new tubes 6424 
Hmmm, let me try this one again... 6424 
Sylvania 2A3 identification 6424 
A picture is worth a thousand micromhos? 6424 
I have more interest in the period tubes 6424 
Why NOS tubes? 6423 
The Holly Ignorance 6423 
Tube tasting 6423 
The cathodes’ flatulence? 6423 
Make mine thoriated please 6423 
Any Germans out there? 6423 
6E5P VS 6E6P 6423 
Vibrations? What do you with them? 6423 
Vibration in tubes and sounds 6423 
UX4 vs UX4ruskie 6422 
Ringing the tubes? I do not know how about that. 6422 
Tube sound and vibration 6422 
The thoughts collection about YO186? 6416 
The lights look green for the YO tube 6415 
"Melquiades" with YO-186. Something like... 6415 
My version of RE-604 and PX4 6414 
The YO186 tube sockets. 6414 
B4/B5 British made 6413 
The YO186’s sockets and prices 6413 
DHT 2A3 amplifier rectification 6412 
My attitude toward tube rectification. 6412 
Tu-be or not Tu-be, seems Tu-be the question. 6411 
It looks like DHT DSET is shaping up. 6410 
The Sylvania 2A3 NOS report 6407 
The Citizen Kane syndrome. 6407 
Sylvania 2A3 in a World without Color 6406 
Are NOS and new manufacture comparing oranges to o... 6406 
That all is incorrect in a way…. 6406 
NOS vs new 2A3 tubes 6406 
The identical operation environment? 6406 
Preferred 2A3 operating point 6406 
The sound of the 2A3 however? 6406 
Circuit modification for 2A3 optimization 6405 
How to get max power from 2A3 6405 
2A3 voltages, loads and realized output power 6405 
Optimal operation of 2A3: an experiment 6405 
Tubes, Whole Circuits, Expectations and Sound 6405 
Gain is not power. 6405 
2A3 amplifier modification & Optimization 6405 
Specialized DSET approach 6405 
6C33/2A3 DSET? 6405 
SET usable power and making the most of it 6405 
The 2A3 loading 6405 
DSET solution for EdgarHorn? 6405 
Optimizing the 2A3 6405 
How much to DSET a DSET 6405 
DSET for Titan 6405 
The Best of All Worlds 6405 
Multiamp setup 6404 
Optimizing the (NOS) 2A3... "KM-style"? 6404 
There are many opportunities, it all depends what ... 6404 
Modifying amplifer to optimize NOS 2A3 performance 6404 
Conceptualizing Melquiades DSET is done 6398 
2A3 and 400V supply 6398 
Pudding and the chicken wires 6397 
Another shot at numbers 6397 
How to cook the "uninformed" anode. 6397 
Okay, so this might work.... 6397 
The DHT Milq DSET, the prebuilt draft. 6397 
Looks good, but.... 6396 
2A3 with slightly lover filament voltage? 6396 
Less is more... usually. 6396 
Where to burn gain? how? and where to get beter st... 6395 
Stepping Out 6395 
Said to be good, but 6395 
Gain to lose 6395 
Why nothing is simple with this damn amp! 6395 
Another idea for losing gain 6395 
What's best 6395 
Options, options... 6395 
Actually, it is not so bad. 6395 
Other compromises... 6394 
Cathode vs. fixed with DHT 6393 
Is it glowing yet? 6373 
It is comming.... 6373 
The new MF channel. 6367 
I started to work on the Milq’s DHT Island. 6366 
Innerstage loading vs. OPT loading. 6358 
The intestage loading talk. 6355 
My playback feels like it is broken. 6350 
1 in 50? 6350 
Yes, it was after PP2000 6350 
Die Walküre soldering. 6349 
The post Die Walküre soldering 6348 
Another amp arond YO186 6347 
Gain? 6347 
The Unexpected problem with DHT Milq. 6347 
Simple is good 6346 
Ok, I am moving forward. 6346 
The Milq DSET is up. 6345 
My DH DSET – 2 days later. 6343 
Here is more data to reconcile. 6343 
Hm, that is interesting and unpleasant so far. 6342 
Ok, what do I want? 6342 
Let Go of Some Conceptual "Restrictions"? 6342 
The Milq DH DSET, the further thoughts in progress. 6342 
Crunching Numbers; Shaping Sound 6342 
How about the tweeter? 6341 
Tweeter Efficiency? 6341 
Safe and Sound 6341 
More mystery with tweeter but still on the subject. 6341 
Some clarifications. 6341 
How about that?!!! 6341 
Further considerations: DC-coupling. 6339 
Head Room 6339 
To kill the mandatory 13dB 6338 
DC coupling and killing 13db and driving 6e5p miller and.... 6338 
I do not think that it might be damaging… 6338 
Again with the PS 6338 
AKA J.C. Morrison’s amp but… 6336 
Parallel Universe 6336 
Melquiades HD MF DSET, Draft13. 6334 
Why I let other people build them... 6334 
Ok, it's going to right direction. 6334 
Ok, it looks already very close…. 6333 
The Loftinish-Whitish, well sort of…. 6330 
MF: the pre-final version. 6330 
Loftin-White? 6330 
Did anyone hear the PX4 amplifiers? 6330 
What Could use Improving at This Point? 6330 
The Milq’s MF front-end is done 6326 
Why I Let Other People Build Them, II 6326 
Define really quiet 6325 
Another variable of sound 6325 
Backlash? 6325 
Alternative filament supplies 6325 
I kind of faced a problem with AC 6325 
Going down the DC path 6324 
It is not about the “whole sound” but about “molec... 6324 
Molecular sound 6324 
AC-DC heater supply 6324 
The Tentlabs are $10 worth PS. 6324 
The unexpected resolution of AC vs. DC quandary. 6324 
The devil is less scared than it depicted. 6324 
Hiss or Hum 6324 
AC transformers 6324 
I have seen the Promised Land 6323 
OK, the choke noise is not a problem anymore 6323 
Ok, it is working fine but… 6322 
Divide and Conquer 6322 
The design phase is over. 6321 
The unexpected insanity! 6320 
Loading 6320 
Looking for inspiring ideas for 'universal' loadin... 6320 
A filaments Sherlock Holmes wanted. 6320 
Going the Distance 6320 
Read the f*** manual! 6320 
Agreed. 6320 
I agree 6320 
The filament transformer 6320 
Center-tap and options 6320 
Something like this…. 6320 
Avoiding "Dial-an-Amp" 6320 
The foreplay is going on. 6320 
Split balance 6319 
Further thoughts about my DH filaments 6319 
The Shuguang 2A3 tubes. 6319 
SHuguang 6319 
Going through…. 6318 
The 2.5V noise vs. 4V noise. 6317 
More about Shuguang 2A3C 6317 
Hum vs voltage 6317 
Meow about the tubes… 6317 
To Be a Content Cat 6317 
Completed! 6314 
Tradition 6314 
Absolutely beautiful! 6314 
The 'film' caps in PS 6313 
Science or religion 6313 
Mass Extinction 6313 
Electrolytics, technology and time 6313 
No more questions about PS capacitors. 6313 
Capacitor choices 6313 
Good time. Welcome back. Thanks God. 6312 
The minor day of Quartets. 6312 
Them's the Breaks 6312 
Eventually! 6311 
So Soon? 6311 
DHT MF channel and 6-ch amp: first conclusions 6311 
All Abuzz about Nothing 6310 
The wire for DC-coupling 6310 
The Dirt on DIY Backlash 6310 
DSET vs. the “better tubes”. 6310 
How to test the DH tubes properly? 6309 
Pairing up tubes for SE use 6308 
The DHT live reserve 6307 
Some interestng models 6307 
Eaten alive. 6307 
The tubey déjà vu? 6306 
The new concept of my output transformer. 6302 
The 4V takes a lead. 6298 
Listening the DH and the striped down version of M... 6295 
I kind of slowly learn what I need. 6295 
More HF from a transformer and DHT? 6293 
Since You Don't Need the Gain 6292 
Exiting the design mode? 6292 
Bye-bye the input divider on MF! 6292 
A few steps back and a gaint leap ahead. 6288 
Single-stage vs. DHT amp. 6287 
Setting up the new Playback 6286 
And the winner is… so far 6283 
If you like type 45... 6283 
Type 45... they're not all the same 6283 
Favorite Flavor? 6283 
The 45 times Meow... 6283 
The problem that I see is… 6283 
Running the 45 6283 
The 10Y...and bye bye Newton 6282 
The commentaries about everything. 6282 
Driver tube and biasing 6282 
DHT drivers 6282 
The ideas are worth trying? 6282 
A question about the polishing the things…. 6278 
The Particular Tube, I'm afraid... 6278 
Driving the 45... cathode first 6277 
ST or Globe; old or new... 6277 
Whatever sticks to the wall as an operation point ... 6277 
The attenuating crap in secondary. 6277 
Operating points and cathode current 6277 
The Burgeoning Opportunities! 6277 
Actually it is not so simple. 6277 
Resistors at the front 6276 
A minor alternation of a position 6276 
The era of enlightenment. 6273 
The devil is in the details.... 6273 
Constructing Sound 6273 
A new view on the DHT evaluation. 6272 
The “strange” YO186 6263 
The dead guy’s lessons. 6218 
2S4S and 2A3 6209 
Ho to use the YO186 6202 
YO 186 fundamental flavor 6202 
The YO-YO tube and "fundamentals" channel 6202 
The live without the YO186, again.... 6200 
Not anymore! 6189 
The very good YoYonisation! 6188 
….above and below two very clean channel. 6187 
The DHT and esoteric imaging deformation. 6174 
DHT, YO186, or??? 6174 
I had no idea how ‘different’ it is. 6121 
The Kazitsky Manufacturing and YO104, some history. 6120 
"Absolution and Eternal Refuge." 6117 
Sofia Electric Type 45 Mesh 6107 
The true association of YO186's Sounds. 5869 
All the Best from Burgundy 5869 
Cheesy tubes 5868 
Me and my DHT references… 5759 
Y0-186 in winter. 5662 
Y0-186 sounds like… 5661 
Rethinking the YO186 tube. 5630 
In My Dreams 5630 
Grunt from type 45? A ridicules comment. 5630 
Blame? 5629 
When good is not good enough. 5629 
45s, Drivers, and 45s 5629 
Hm, that was so simple after all! 5628 
How the YO186 was used. 5212 
What is old is new? 5211 
YO186 vs. type 45. 5210 
The YO186 is gone.... :-( 4759 
That sucks. 4759 
YO186 4757 
Hm, what the hell is going on? 4757 
I do not think that anybody but me would like YO186 4757 
A hallucination? 4754 
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:  0  
Total human visitors:  65,484,067  
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
AUG 1 BU Tanglewood Instit»
AUG 1 Danish String Quarte»
AUG 1 Light & Shade in Var»
AUG 1 Mozart: The Marriage»
AUG 1 Esa-Pekka Salonen, c»
AUG 2 ZÉMIRE ET AZOR in Ch»
AUG 2 BU Tanglewood Instit»
AUG 2 Andris Nelsons, cond»
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 »
More Music News »»
Composer's Anniversaries
Couperin, Louis ( ca. 162»
David, Félicien-C»
Marie, Gabriel Prosper (8 »
Gabriel-Marie, Gabriel Pro»
Kallstenius, Edvin (29 Aug»
Tcherepnin, Alexander (21 »
Cherepnin, Alexander (21 J»
Leibowitz, René (17 F»
de Marez Oyens, Tera (5 Au»
Copper, William (29 August»
Susman, William (29 August»
My Audio Leftovers
Purist Audio Design Pro»
Altec 808A compression »
Micro-Seiki air-suspend»
Micro Seiki RX-5000
Korvet “Egg” Tonearm
CEC TL-0 MK2 transport
Koetsu Onyx Platinum Ca»
Lamm L2 Reference pream»
Micro-Seiki Arm Board
Vitavox AK-15/40 15" ba»
Stage Acompany SA8535 d»
More Leftovers »»