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 quote from a Japanese »
» A quest for a better mon»
» Russian cello festival
» Macondo – Super Melquiad»
» Multicellular horns
» Boston Vinyl Stores?
» The optimum Sampling Rat»
» Satisfying result: the R»
» The loudspeakers for a p»
» The DHOFT topology? Do n»
» Another 2005 CES standou»
» My trip to the Stereophi»
» Looking for something di»
» Today: Rachmaninoff in A»
» A fundamentally faulty J»
» A sad day in Greece.
» My CES
» Thomas Mayer’s Triamp
» Turntable speed analysis.
» HELP on a Custom 3 Way H»
» Wine, women, song.. and »
» Ravel's String Quartet; »
» The power AC Outlets?
» Koshka gets a beautiful »
» Schroder Tonearms
» Mercury Living Presence »
» Eat your heart out, Mr. »
» Mini A7
» A great OPT resource page
» Melq 6e5p driver stage f»
» Adding one more spherica»
» Vertical Axis Midbass Ho»
» The exaggerated boots un»
» Herbie's Hal-O Tube Damp»
» Who the hell is this int»
» Steinway and Lyngdorf lo»
» Bye-bye Studer…
» Smetana's Piano Trio
Bookmarked are red
Random Site Links
Classic Records UK
Radios for Sale
Lenard's Opals monitor
JBL Products
Berkshire Record Outlet
Lockwood Audio
Input Choke Calculator
Glenn Gould Audio Archiv»
Lied and Art Songs
Olson Acoustical Book
Rachmaninoff Photos
The Music Parlour
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 6529 
One-stage Milq++ and the DHT's alleged tone 6528 
DHT Milq? 6528 
The DHT journey. 6528 
DHT tone 6528 
Well, why not? 6527 
Holding the Fort 6527 
My DHT experiment: Preface 6527 
Input tube and DC heaters 6526 
Reimyo Pat 777 6526 
My DHT experiment: Observations 6522 
DHT or 300B? 6522 
300B 6522 
Talking, perception and the grounds for objectively 6522 
The Wine Via the Wine Glass 6521 
Hence the confusion 6521 
My DHT experiment: some conclusions. 6521 
Reality Reconstruction is not a functionality. 6521 
My experience with DHTs 6521 
Pigmented coloration? 6521 
Dht-dht 6521 
Dynamic viscosity? 6521 
The Pallette preamp... 6521 
If one DHT is good, two must be better? 6521 
"soul" of tubes 6521 
There is a difference... 6521 
Vibration injection? 6521 
Homework # 4334 6521 
The 01A-71A-10Y-45 chain 6521 
Old valves have more soul! 6520 
Was it soul or soil? 6520 
It was just a heading 6520 
Adjustable color: TIMBRE LOCK? 6520 
Neutral or neutral/uncoloured? 6520 
..are lacking in power, dynamics and bandwidth. 6520 
Timbre-Lock. Not quite ready for prime time. 6520 
Injection of analog dither? 6520 
Subliminal signal 6520 
The idea of analog randomanization. 6520 
Okay, what Avicena Power Generator 6520 
I hope you will be hearing about it. 6519 
Avicenna = Arabian 6519 
Persian, not Arab 6519 
The “second solution” - a major disappointment 6519 
More words to describe "sux" please 6519 
Revolution 6519 
The non-melodramatic DHT? 6519 
One-stage DHTs 6518 
One other thing 6518 
One stage 6518 
Brewing, thinking and heating 6518 
Physical characteristics of electronic devices 6518 
I see the things differently. 6518 
Don't waste time being "creative" 6518 
The audiophile attitude 6518 
The where and why of design choices 6518 
Blah blah blah 6518 
Laconic Clarity vs. Comfort vs. Nostalgia 6518 
Do I need to be hissing? 6518 
...associated with lack of neutrality and colorati... 6518 
John Broskie's Partial feedback amplifier 6518 
Randomness vs. freedom and the Homework # 4334 6517 
What is randomness? 6517 
Those least three possibilities… 6517 
Randomness and Music's Prerogative 6517 
It works, … sort of. The revolution is canceled. 6517 
Thorsten Loesch’s article about DHT SETs 6515 
A Beautiful Mind 6514 
Some summary and conclusions from the first phase. 6512 
Second phase: revising requirement for my DHT objectives. 6497 
Tubes for your DHT amp 6497 
Abandoning Milq? 6497 
Will see how it goes.... 6497 
Single-stage Milq vs. Sun Audio VT-2A3 6495 
Topology and 2A3? 6495 
6SN7-2A3 amps? 6495 
Type Casting 6495 
Sun Audio SV-2A3 6495 
6sn7-2a3 6495 
Topology vs parts 6495 
For a DHT amp, you are listening to the power supply 6495 
The vintage tubes syndrome. 6495 
Parts Frenzy 6495 
Too many new sounds 6495 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6494 
New tubes 6493 
Milq bias vs. batery bias 6493 
The batteries are a tricky thing. 6493 
Swimming the ocean at night? 6493 
New 2A3 6493 
To kill of do not kill the capacitor. 6492 
The JJ Electronic amp. 6491 
JJ 2A3 and amp 6491 
Czech tubes 6489 
Single plated vs Double plated? 6489 
Mono plate 2A3 tubes 6489 
I suggested once VT52 tube 6488 
The 800R vs. 1800R vs. 5500R 6488 
YO-186 as the output tube. 6485 
Here she is. 6484 
Some talks about the new production tubes 6480 
New 2A3 tubes 6480 
Some thoughts about one-IHT vs. multiple-DHT 6480 
The Sun Audio with 6E5P 6479 
Multistage DHT circuits 6478 
Wrong tube or wrong topology – here is the question. 6477 
Emission Labs 2A3 6477 
Some comment and questions about then 2A3 talks. 6477 
Which Chinese 2A3? 6477 
OK, for a first time I like the San Audio Kit. 6477 
The YO186 Strip Show 6477 
More on the 2A3 comparisons 6476 
It will be interesting…. 6476 
OPT impedence 6476 
More about the Plate Loading 6476 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6471 
2A3 data 6471 
The New 2A3 tubes 6471 
How many stages I need for 110dB sensitivity, smal... 6471 
How many stages and why... and who makes that 45 o... 6470 
Everything about everything. 6470 
Some very good points... and... possibly more logi... 6470 
Options, options, options.... 6470 
I think we agree overall 6470 
An IDHT with more gain? 6469 
You don't ask for much now, eh? 6469 
2A3 tube impressions 6464 
Interesting analogy 6464 
NOS 2A3 tubes versus new tubes 6464 
Hmmm, let me try this one again... 6464 
Sylvania 2A3 identification 6464 
A picture is worth a thousand micromhos? 6464 
I have more interest in the period tubes 6464 
Why NOS tubes? 6463 
The Holly Ignorance 6463 
Tube tasting 6463 
The cathodes’ flatulence? 6463 
Make mine thoriated please 6463 
Any Germans out there? 6463 
6E5P VS 6E6P 6463 
Vibrations? What do you with them? 6463 
Vibration in tubes and sounds 6463 
UX4 vs UX4ruskie 6462 
Ringing the tubes? I do not know how about that. 6462 
Tube sound and vibration 6462 
The thoughts collection about YO186? 6456 
The lights look green for the YO tube 6455 
"Melquiades" with YO-186. Something like... 6455 
My version of RE-604 and PX4 6454 
The YO186 tube sockets. 6454 
B4/B5 British made 6453 
The YO186’s sockets and prices 6453 
DHT 2A3 amplifier rectification 6452 
My attitude toward tube rectification. 6452 
Tu-be or not Tu-be, seems Tu-be the question. 6451 
It looks like DHT DSET is shaping up. 6450 
The Sylvania 2A3 NOS report 6447 
The Citizen Kane syndrome. 6447 
Sylvania 2A3 in a World without Color 6446 
Are NOS and new manufacture comparing oranges to o... 6446 
That all is incorrect in a way…. 6446 
NOS vs new 2A3 tubes 6446 
The identical operation environment? 6446 
Preferred 2A3 operating point 6446 
The sound of the 2A3 however? 6446 
Circuit modification for 2A3 optimization 6445 
How to get max power from 2A3 6445 
2A3 voltages, loads and realized output power 6445 
Optimal operation of 2A3: an experiment 6445 
Tubes, Whole Circuits, Expectations and Sound 6445 
Gain is not power. 6445 
2A3 amplifier modification & Optimization 6445 
Specialized DSET approach 6445 
6C33/2A3 DSET? 6445 
SET usable power and making the most of it 6445 
The 2A3 loading 6445 
DSET solution for EdgarHorn? 6445 
Optimizing the 2A3 6445 
How much to DSET a DSET 6445 
DSET for Titan 6445 
The Best of All Worlds 6445 
Multiamp setup 6444 
Optimizing the (NOS) 2A3... "KM-style"? 6444 
There are many opportunities, it all depends what ... 6444 
Modifying amplifer to optimize NOS 2A3 performance 6444 
Conceptualizing Melquiades DSET is done 6438 
2A3 and 400V supply 6438 
Pudding and the chicken wires 6437 
Another shot at numbers 6437 
How to cook the "uninformed" anode. 6437 
Okay, so this might work.... 6437 
The DHT Milq DSET, the prebuilt draft. 6437 
Looks good, but.... 6436 
2A3 with slightly lover filament voltage? 6436 
Less is more... usually. 6436 
Where to burn gain? how? and where to get beter st... 6435 
Stepping Out 6435 
Said to be good, but 6435 
Gain to lose 6435 
Why nothing is simple with this damn amp! 6435 
Another idea for losing gain 6435 
What's best 6435 
Options, options... 6435 
Actually, it is not so bad. 6435 
Other compromises... 6434 
Cathode vs. fixed with DHT 6433 
Is it glowing yet? 6413 
It is comming.... 6413 
The new MF channel. 6407 
I started to work on the Milq’s DHT Island. 6406 
Innerstage loading vs. OPT loading. 6398 
The intestage loading talk. 6395 
My playback feels like it is broken. 6390 
1 in 50? 6390 
Yes, it was after PP2000 6390 
Die Walküre soldering. 6389 
The post Die Walküre soldering 6388 
Another amp arond YO186 6387 
Gain? 6387 
The Unexpected problem with DHT Milq. 6387 
Simple is good 6386 
Ok, I am moving forward. 6386 
The Milq DSET is up. 6385 
My DH DSET – 2 days later. 6383 
Here is more data to reconcile. 6383 
Hm, that is interesting and unpleasant so far. 6382 
Ok, what do I want? 6382 
Let Go of Some Conceptual "Restrictions"? 6382 
The Milq DH DSET, the further thoughts in progress. 6382 
Crunching Numbers; Shaping Sound 6382 
How about the tweeter? 6381 
Tweeter Efficiency? 6381 
Safe and Sound 6381 
More mystery with tweeter but still on the subject. 6381 
Some clarifications. 6381 
How about that?!!! 6381 
Further considerations: DC-coupling. 6379 
Head Room 6379 
To kill the mandatory 13dB 6378 
DC coupling and killing 13db and driving 6e5p miller and.... 6378 
I do not think that it might be damaging… 6378 
Again with the PS 6378 
AKA J.C. Morrison’s amp but… 6376 
Parallel Universe 6376 
Melquiades HD MF DSET, Draft13. 6374 
Why I let other people build them... 6374 
Ok, it's going to right direction. 6374 
Ok, it looks already very close…. 6373 
The Loftinish-Whitish, well sort of…. 6370 
MF: the pre-final version. 6370 
Loftin-White? 6370 
Did anyone hear the PX4 amplifiers? 6370 
What Could use Improving at This Point? 6370 
The Milq’s MF front-end is done 6366 
Why I Let Other People Build Them, II 6366 
Define really quiet 6365 
Another variable of sound 6365 
Backlash? 6365 
Alternative filament supplies 6365 
I kind of faced a problem with AC 6365 
Going down the DC path 6364 
It is not about the “whole sound” but about “molec... 6364 
Molecular sound 6364 
AC-DC heater supply 6364 
The Tentlabs are $10 worth PS. 6364 
The unexpected resolution of AC vs. DC quandary. 6364 
The devil is less scared than it depicted. 6364 
Hiss or Hum 6364 
AC transformers 6364 
I have seen the Promised Land 6363 
OK, the choke noise is not a problem anymore 6363 
Ok, it is working fine but… 6362 
Divide and Conquer 6362 
The design phase is over. 6361 
The unexpected insanity! 6360 
Loading 6360 
Looking for inspiring ideas for 'universal' loadin... 6360 
A filaments Sherlock Holmes wanted. 6360 
Going the Distance 6360 
Read the f*** manual! 6360 
Agreed. 6360 
I agree 6360 
The filament transformer 6360 
Center-tap and options 6360 
Something like this…. 6360 
Avoiding "Dial-an-Amp" 6360 
The foreplay is going on. 6360 
Split balance 6359 
Further thoughts about my DH filaments 6359 
The Shuguang 2A3 tubes. 6359 
SHuguang 6359 
Going through…. 6358 
The 2.5V noise vs. 4V noise. 6357 
More about Shuguang 2A3C 6357 
Hum vs voltage 6357 
Meow about the tubes… 6357 
To Be a Content Cat 6357 
Completed! 6354 
Tradition 6354 
Absolutely beautiful! 6354 
The 'film' caps in PS 6353 
Science or religion 6353 
Mass Extinction 6353 
Electrolytics, technology and time 6353 
No more questions about PS capacitors. 6353 
Capacitor choices 6353 
Good time. Welcome back. Thanks God. 6352 
The minor day of Quartets. 6352 
Them's the Breaks 6352 
Eventually! 6351 
So Soon? 6351 
DHT MF channel and 6-ch amp: first conclusions 6351 
All Abuzz about Nothing 6350 
The wire for DC-coupling 6350 
The Dirt on DIY Backlash 6350 
DSET vs. the “better tubes”. 6350 
How to test the DH tubes properly? 6349 
Pairing up tubes for SE use 6348 
The DHT live reserve 6347 
Some interestng models 6347 
Eaten alive. 6347 
The tubey déjà vu? 6346 
The new concept of my output transformer. 6342 
The 4V takes a lead. 6338 
Listening the DH and the striped down version of M... 6335 
I kind of slowly learn what I need. 6335 
More HF from a transformer and DHT? 6333 
Since You Don't Need the Gain 6332 
Exiting the design mode? 6332 
Bye-bye the input divider on MF! 6332 
A few steps back and a gaint leap ahead. 6328 
Single-stage vs. DHT amp. 6327 
Setting up the new Playback 6326 
And the winner is… so far 6323 
If you like type 45... 6323 
Type 45... they're not all the same 6323 
Favorite Flavor? 6323 
The 45 times Meow... 6323 
The problem that I see is… 6323 
Running the 45 6323 
The 10Y...and bye bye Newton 6322 
The commentaries about everything. 6322 
Driver tube and biasing 6322 
DHT drivers 6322 
The ideas are worth trying? 6322 
A question about the polishing the things…. 6318 
The Particular Tube, I'm afraid... 6318 
Driving the 45... cathode first 6317 
ST or Globe; old or new... 6317 
Whatever sticks to the wall as an operation point ... 6317 
The attenuating crap in secondary. 6317 
Operating points and cathode current 6317 
The Burgeoning Opportunities! 6317 
Actually it is not so simple. 6317 
Resistors at the front 6316 
A minor alternation of a position 6316 
The era of enlightenment. 6313 
The devil is in the details.... 6313 
Constructing Sound 6313 
A new view on the DHT evaluation. 6312 
The “strange” YO186 6303 
The dead guy’s lessons. 6258 
2S4S and 2A3 6249 
Ho to use the YO186 6242 
YO 186 fundamental flavor 6242 
The YO-YO tube and "fundamentals" channel 6242 
The live without the YO186, again.... 6240 
Not anymore! 6229 
The very good YoYonisation! 6228 
….above and below two very clean channel. 6227 
The DHT and esoteric imaging deformation. 6214 
DHT, YO186, or??? 6214 
I had no idea how ‘different’ it is. 6161 
The Kazitsky Manufacturing and YO104, some history. 6160 
"Absolution and Eternal Refuge." 6157 
Sofia Electric Type 45 Mesh 6147 
The true association of YO186's Sounds. 5909 
All the Best from Burgundy 5909 
Cheesy tubes 5908 
Me and my DHT references… 5799 
Y0-186 in winter. 5702 
Y0-186 sounds like… 5701 
Rethinking the YO186 tube. 5670 
In My Dreams 5670 
Grunt from type 45? A ridicules comment. 5670 
Blame? 5669 
When good is not good enough. 5669 
45s, Drivers, and 45s 5669 
Hm, that was so simple after all! 5668 
How the YO186 was used. 5252 
What is old is new? 5251 
YO186 vs. type 45. 5250 
The YO186 is gone.... :-( 4799 
That sucks. 4799 
YO186 4797 
Hm, what the hell is going on? 4797 
I do not think that anybody but me would like YO186 4797 
A hallucination? 4794 
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»
More Music News »»
Composer's Anniversaries
Schütz, Heinrich (8 O»
de Mondonville, Jean-Josep»
Weyse, Christoph Ernst Fri»
Boieldieu, François-A»
Festetics, Leó (8 Oct»
Ernst, Heinrich Wilhelm (6»
Kiel, Friedrich (8 October»
Gibsone, William Ignace (8»
Vierne, Louis (8 October 1»
Bordewijk-Roepman, Johanna»
Serly, Tibor (25 November »
Takemitsu, Toru (8 October»
Thomas, Andrew (8 October »
Sellars, James (8 October »
Abels, Michael (8 October »
Kowalczyk, Marc (8 October»
My Audio Leftovers
Mid-range tantrix round»
Micro Seiki RX-5000
Musatex-TP Bidat 20-Bi»
Vitavox S2/S3 diaphragms
Rohde & Schwarz EU-6201»
Vitavox AK151 15" bass »
Koetsu Onyx Platinum Ca»
ESS AMT-1A Heil Air Mot»
Micro-Seiki air-suspend»
Purist Audio Design Pro»
REL Precedent 646C tuner
More Leftovers »»