Site by Roman Bessnow
GoodSoundClub's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
Site News: 20 Jul 2026

The audio preview of the audio part of my Book
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
» Phono stages with SU-1
» Virginia Tech and Music
» Vox Olympian secrets unv»
» An amplifier for Tweeters
» RAAL “Water Drop” tweete»
» “Get Better Sound” by Ji»
» 2012 Decca records from »
» How many Bits needed for»
» Where the Horns Light is»
» Configuration from Italy»
» ESS Connoisseur: a sensi»
» To drive the 6C33C...
» A new film about Karajan
» Antenna attenuator – you»
» Speaker hunting
» Steinway and Lyngdorf lo»
» Two channels (tweeter an»
» Cable Current Loading
» Vitavox’s S2 Survival Gu»
» The Sakuma's Show
» Chesky Records went &quo»
» Beware of PurePower Part»
» Prokofiev's cantata
» Levels of High End Audio»
» Micro Seiki SZ-1T
» Playback and operation o»
» It’s mad, mad, mad... e»
» Think Denk and op.106
» Metal domes
» A Plasma Tweeter made in»
» Schubert's Dancing Cats
» About my listening habit»
» ... again on GOTO Unit d»
» The global live televisi»
» Sound Quality and “Elect»
» What to read in audio?
» Copper Mat on a Micro Se»
» Chasing utopian better p»
Bookmarked are red
Random Site Links
Tuner Information Center
Truesound Transfers
Musical Musings
Toccata Classics
Audiomisc
Eugene Ormandy Pages
Radios for Sale
ElecroVoice’s Vintage Pr»
Rachmaninoff Society
Graeme's Speaker DIY Pag»
VIP Records
Museatex
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 6469 
One-stage Milq++ and the DHT's alleged tone 6468 
DHT Milq? 6468 
The DHT journey. 6468 
DHT tone 6468 
Well, why not? 6467 
Holding the Fort 6467 
My DHT experiment: Preface 6467 
Input tube and DC heaters 6466 
Reimyo Pat 777 6466 
My DHT experiment: Observations 6462 
DHT or 300B? 6462 
300B 6462 
Talking, perception and the grounds for objectively 6462 
The Wine Via the Wine Glass 6461 
Hence the confusion 6461 
My DHT experiment: some conclusions. 6461 
Reality Reconstruction is not a functionality. 6461 
My experience with DHTs 6461 
Pigmented coloration? 6461 
Dht-dht 6461 
Dynamic viscosity? 6461 
The Pallette preamp... 6461 
If one DHT is good, two must be better? 6461 
"soul" of tubes 6461 
There is a difference... 6461 
Vibration injection? 6461 
Homework # 4334 6461 
The 01A-71A-10Y-45 chain 6461 
Old valves have more soul! 6460 
Was it soul or soil? 6460 
It was just a heading 6460 
Adjustable color: TIMBRE LOCK? 6460 
Neutral or neutral/uncoloured? 6460 
..are lacking in power, dynamics and bandwidth. 6460 
Timbre-Lock. Not quite ready for prime time. 6460 
Injection of analog dither? 6460 
Subliminal signal 6460 
The idea of analog randomanization. 6460 
Okay, what Avicena Power Generator 6460 
I hope you will be hearing about it. 6459 
Avicenna = Arabian 6459 
Persian, not Arab 6459 
The “second solution” - a major disappointment 6459 
More words to describe "sux" please 6459 
Revolution 6459 
The non-melodramatic DHT? 6459 
One-stage DHTs 6458 
One other thing 6458 
One stage 6458 
Brewing, thinking and heating 6458 
Physical characteristics of electronic devices 6458 
I see the things differently. 6458 
Don't waste time being "creative" 6458 
The audiophile attitude 6458 
The where and why of design choices 6458 
Blah blah blah 6458 
Laconic Clarity vs. Comfort vs. Nostalgia 6458 
Do I need to be hissing? 6458 
...associated with lack of neutrality and colorati... 6458 
John Broskie's Partial feedback amplifier 6458 
Randomness vs. freedom and the Homework # 4334 6457 
What is randomness? 6457 
Those least three possibilities… 6457 
Randomness and Music's Prerogative 6457 
It works, … sort of. The revolution is canceled. 6457 
Thorsten Loesch’s article about DHT SETs 6455 
A Beautiful Mind 6454 
Some summary and conclusions from the first phase. 6452 
Second phase: revising requirement for my DHT objectives. 6437 
Tubes for your DHT amp 6437 
Abandoning Milq? 6437 
Will see how it goes.... 6437 
Single-stage Milq vs. Sun Audio VT-2A3 6435 
Topology and 2A3? 6435 
6SN7-2A3 amps? 6435 
Type Casting 6435 
Sun Audio SV-2A3 6435 
6sn7-2a3 6435 
Topology vs parts 6435 
For a DHT amp, you are listening to the power supply 6435 
The vintage tubes syndrome. 6435 
Parts Frenzy 6435 
Too many new sounds 6435 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6434 
New tubes 6433 
Milq bias vs. batery bias 6433 
The batteries are a tricky thing. 6433 
Swimming the ocean at night? 6433 
New 2A3 6433 
To kill of do not kill the capacitor. 6432 
The JJ Electronic amp. 6431 
JJ 2A3 and amp 6431 
Czech tubes 6429 
Single plated vs Double plated? 6429 
Mono plate 2A3 tubes 6429 
I suggested once VT52 tube 6428 
The 800R vs. 1800R vs. 5500R 6428 
YO-186 as the output tube. 6425 
Here she is. 6424 
Some talks about the new production tubes 6420 
New 2A3 tubes 6420 
Some thoughts about one-IHT vs. multiple-DHT 6420 
The Sun Audio with 6E5P 6419 
Multistage DHT circuits 6418 
Wrong tube or wrong topology – here is the question. 6417 
Emission Labs 2A3 6417 
Some comment and questions about then 2A3 talks. 6417 
Which Chinese 2A3? 6417 
OK, for a first time I like the San Audio Kit. 6417 
The YO186 Strip Show 6417 
More on the 2A3 comparisons 6416 
It will be interesting…. 6416 
OPT impedence 6416 
More about the Plate Loading 6416 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6411 
2A3 data 6411 
The New 2A3 tubes 6411 
How many stages I need for 110dB sensitivity, smal... 6411 
How many stages and why... and who makes that 45 o... 6410 
Everything about everything. 6410 
Some very good points... and... possibly more logi... 6410 
Options, options, options.... 6410 
I think we agree overall 6410 
An IDHT with more gain? 6409 
You don't ask for much now, eh? 6409 
2A3 tube impressions 6404 
Interesting analogy 6404 
NOS 2A3 tubes versus new tubes 6404 
Hmmm, let me try this one again... 6404 
Sylvania 2A3 identification 6404 
A picture is worth a thousand micromhos? 6404 
I have more interest in the period tubes 6404 
Why NOS tubes? 6403 
The Holly Ignorance 6403 
Tube tasting 6403 
The cathodes’ flatulence? 6403 
Make mine thoriated please 6403 
Any Germans out there? 6403 
6E5P VS 6E6P 6403 
Vibrations? What do you with them? 6403 
Vibration in tubes and sounds 6403 
UX4 vs UX4ruskie 6402 
Ringing the tubes? I do not know how about that. 6402 
Tube sound and vibration 6402 
The thoughts collection about YO186? 6396 
The lights look green for the YO tube 6395 
"Melquiades" with YO-186. Something like... 6395 
My version of RE-604 and PX4 6394 
The YO186 tube sockets. 6394 
B4/B5 British made 6393 
The YO186’s sockets and prices 6393 
DHT 2A3 amplifier rectification 6392 
My attitude toward tube rectification. 6392 
Tu-be or not Tu-be, seems Tu-be the question. 6391 
It looks like DHT DSET is shaping up. 6390 
The Sylvania 2A3 NOS report 6387 
The Citizen Kane syndrome. 6387 
Sylvania 2A3 in a World without Color 6386 
Are NOS and new manufacture comparing oranges to o... 6386 
That all is incorrect in a way…. 6386 
NOS vs new 2A3 tubes 6386 
The identical operation environment? 6386 
Preferred 2A3 operating point 6386 
The sound of the 2A3 however? 6386 
Circuit modification for 2A3 optimization 6385 
How to get max power from 2A3 6385 
2A3 voltages, loads and realized output power 6385 
Optimal operation of 2A3: an experiment 6385 
Tubes, Whole Circuits, Expectations and Sound 6385 
Gain is not power. 6385 
2A3 amplifier modification & Optimization 6385 
Specialized DSET approach 6385 
6C33/2A3 DSET? 6385 
SET usable power and making the most of it 6385 
The 2A3 loading 6385 
DSET solution for EdgarHorn? 6385 
Optimizing the 2A3 6385 
How much to DSET a DSET 6385 
DSET for Titan 6385 
The Best of All Worlds 6385 
Multiamp setup 6384 
Optimizing the (NOS) 2A3... "KM-style"? 6384 
There are many opportunities, it all depends what ... 6384 
Modifying amplifer to optimize NOS 2A3 performance 6384 
Conceptualizing Melquiades DSET is done 6378 
2A3 and 400V supply 6378 
Pudding and the chicken wires 6377 
Another shot at numbers 6377 
How to cook the "uninformed" anode. 6377 
Okay, so this might work.... 6377 
The DHT Milq DSET, the prebuilt draft. 6377 
Looks good, but.... 6376 
2A3 with slightly lover filament voltage? 6376 
Less is more... usually. 6376 
Where to burn gain? how? and where to get beter st... 6375 
Stepping Out 6375 
Said to be good, but 6375 
Gain to lose 6375 
Why nothing is simple with this damn amp! 6375 
Another idea for losing gain 6375 
What's best 6375 
Options, options... 6375 
Actually, it is not so bad. 6375 
Other compromises... 6374 
Cathode vs. fixed with DHT 6373 
Is it glowing yet? 6353 
It is comming.... 6353 
The new MF channel. 6347 
I started to work on the Milq’s DHT Island. 6346 
Innerstage loading vs. OPT loading. 6338 
The intestage loading talk. 6335 
My playback feels like it is broken. 6330 
1 in 50? 6330 
Yes, it was after PP2000 6330 
Die Walküre soldering. 6329 
The post Die Walküre soldering 6328 
Another amp arond YO186 6327 
Gain? 6327 
The Unexpected problem with DHT Milq. 6327 
Simple is good 6326 
Ok, I am moving forward. 6326 
The Milq DSET is up. 6325 
My DH DSET – 2 days later. 6323 
Here is more data to reconcile. 6323 
Hm, that is interesting and unpleasant so far. 6322 
Ok, what do I want? 6322 
Let Go of Some Conceptual "Restrictions"? 6322 
The Milq DH DSET, the further thoughts in progress. 6322 
Crunching Numbers; Shaping Sound 6322 
How about the tweeter? 6321 
Tweeter Efficiency? 6321 
Safe and Sound 6321 
More mystery with tweeter but still on the subject. 6321 
Some clarifications. 6321 
How about that?!!! 6321 
Further considerations: DC-coupling. 6319 
Head Room 6319 
To kill the mandatory 13dB 6318 
DC coupling and killing 13db and driving 6e5p miller and.... 6318 
I do not think that it might be damaging… 6318 
Again with the PS 6318 
AKA J.C. Morrison’s amp but… 6316 
Parallel Universe 6316 
Melquiades HD MF DSET, Draft13. 6314 
Why I let other people build them... 6314 
Ok, it's going to right direction. 6314 
Ok, it looks already very close…. 6313 
The Loftinish-Whitish, well sort of…. 6310 
MF: the pre-final version. 6310 
Loftin-White? 6310 
Did anyone hear the PX4 amplifiers? 6310 
What Could use Improving at This Point? 6310 
The Milq’s MF front-end is done 6306 
Why I Let Other People Build Them, II 6306 
Define really quiet 6305 
Another variable of sound 6305 
Backlash? 6305 
Alternative filament supplies 6305 
I kind of faced a problem with AC 6305 
Going down the DC path 6304 
It is not about the “whole sound” but about “molec... 6304 
Molecular sound 6304 
AC-DC heater supply 6304 
The Tentlabs are $10 worth PS. 6304 
The unexpected resolution of AC vs. DC quandary. 6304 
The devil is less scared than it depicted. 6304 
Hiss or Hum 6304 
AC transformers 6304 
I have seen the Promised Land 6303 
OK, the choke noise is not a problem anymore 6303 
Ok, it is working fine but… 6302 
Divide and Conquer 6302 
The design phase is over. 6301 
The unexpected insanity! 6300 
Loading 6300 
Looking for inspiring ideas for 'universal' loadin... 6300 
A filaments Sherlock Holmes wanted. 6300 
Going the Distance 6300 
Read the f*** manual! 6300 
Agreed. 6300 
I agree 6300 
The filament transformer 6300 
Center-tap and options 6300 
Something like this…. 6300 
Avoiding "Dial-an-Amp" 6300 
The foreplay is going on. 6300 
Split balance 6299 
Further thoughts about my DH filaments 6299 
The Shuguang 2A3 tubes. 6299 
SHuguang 6299 
Going through…. 6298 
The 2.5V noise vs. 4V noise. 6297 
More about Shuguang 2A3C 6297 
Hum vs voltage 6297 
Meow about the tubes… 6297 
To Be a Content Cat 6297 
Completed! 6294 
Tradition 6294 
Absolutely beautiful! 6294 
The 'film' caps in PS 6293 
Science or religion 6293 
Mass Extinction 6293 
Electrolytics, technology and time 6293 
No more questions about PS capacitors. 6293 
Capacitor choices 6293 
Good time. Welcome back. Thanks God. 6292 
The minor day of Quartets. 6292 
Them's the Breaks 6292 
Eventually! 6291 
So Soon? 6291 
DHT MF channel and 6-ch amp: first conclusions 6291 
All Abuzz about Nothing 6290 
The wire for DC-coupling 6290 
The Dirt on DIY Backlash 6290 
DSET vs. the “better tubes”. 6290 
How to test the DH tubes properly? 6289 
Pairing up tubes for SE use 6288 
The DHT live reserve 6287 
Some interestng models 6287 
Eaten alive. 6287 
The tubey déjà vu? 6286 
The new concept of my output transformer. 6282 
The 4V takes a lead. 6278 
Listening the DH and the striped down version of M... 6275 
I kind of slowly learn what I need. 6275 
More HF from a transformer and DHT? 6273 
Since You Don't Need the Gain 6272 
Exiting the design mode? 6272 
Bye-bye the input divider on MF! 6272 
A few steps back and a gaint leap ahead. 6268 
Single-stage vs. DHT amp. 6267 
Setting up the new Playback 6266 
And the winner is… so far 6263 
If you like type 45... 6263 
Type 45... they're not all the same 6263 
Favorite Flavor? 6263 
The 45 times Meow... 6263 
The problem that I see is… 6263 
Running the 45 6263 
The 10Y...and bye bye Newton 6262 
The commentaries about everything. 6262 
Driver tube and biasing 6262 
DHT drivers 6262 
The ideas are worth trying? 6262 
A question about the polishing the things…. 6258 
The Particular Tube, I'm afraid... 6258 
Driving the 45... cathode first 6257 
ST or Globe; old or new... 6257 
Whatever sticks to the wall as an operation point ... 6257 
The attenuating crap in secondary. 6257 
Operating points and cathode current 6257 
The Burgeoning Opportunities! 6257 
Actually it is not so simple. 6257 
Resistors at the front 6256 
A minor alternation of a position 6256 
The era of enlightenment. 6253 
The devil is in the details.... 6253 
Constructing Sound 6253 
A new view on the DHT evaluation. 6252 
The “strange” YO186 6243 
The dead guy’s lessons. 6198 
2S4S and 2A3 6189 
Ho to use the YO186 6182 
YO 186 fundamental flavor 6182 
The YO-YO tube and "fundamentals" channel 6182 
The live without the YO186, again.... 6180 
Not anymore! 6169 
The very good YoYonisation! 6168 
….above and below two very clean channel. 6167 
The DHT and esoteric imaging deformation. 6154 
DHT, YO186, or??? 6154 
I had no idea how ‘different’ it is. 6101 
The Kazitsky Manufacturing and YO104, some history. 6100 
"Absolution and Eternal Refuge." 6097 
Sofia Electric Type 45 Mesh 6087 
The true association of YO186's Sounds. 5849 
All the Best from Burgundy 5849 
Cheesy tubes 5848 
Me and my DHT references… 5739 
Y0-186 in winter. 5642 
Y0-186 sounds like… 5641 
Rethinking the YO186 tube. 5610 
In My Dreams 5610 
Grunt from type 45? A ridicules comment. 5610 
Blame? 5609 
When good is not good enough. 5609 
45s, Drivers, and 45s 5609 
Hm, that was so simple after all! 5608 
How the YO186 was used. 5192 
What is old is new? 5191 
YO186 vs. type 45. 5190 
The YO186 is gone.... :-( 4739 
That sucks. 4739 
YO186 4737 
Hm, what the hell is going on? 4737 
I do not think that anybody but me would like YO186 4737 
A hallucination? 4734 
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 »
the lost pianos of siberia»
More Music News »»
Composer's Anniversaries
Leoncavallo, Ruggiero (8 M»
Hahn, Reynaldo (9 August 1»
Ketelby, Albert William (9»
Miaskovsky, Nikolai Yakovl»
Myaskovsky, Nikolai Yakovl»
Scelsi, Giacinto (8 Januar»
Shostakovich, Dmitri (25 S»
Raksin, David (4 August 19»
Heppener, Robert (9 August»
Hummel, Bertold (27 Novemb»
My Audio Leftovers
Micro-Seiki air-suspend»
Lamm L2 Reference pream»
Rohde & Schwarz MSDC Mu»
Vitavox 330Hz Horn for »
Altec 808A compression »
Altec 515B bass drivers
LF Transformer for 6C33C
Fane Studio 8 dual conc»
Rohde & Schwarz EU-6201»
ESS AMT-1A Heil Air Mot»
SME M2 - 12" Tonearm wi»
More Leftovers »»