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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

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
» The Art of Pablo Casals,»
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» Advanced-Transition Horn»
» Aries Cerat Contendo - t»
» Artificial Phases Random»
» Multicellular horns
» Educate yourself WHY you»
» Macondo – Super Melquiad»
» The irony of playback ph»
» The Classical Music Caf&»
» Mahler: Symphony No. 2 i»
» Lamm Industries: a speci»
» Mahler VI - Barbirolli w»
» Wide dispersion horns
» The WHRB Wagner’s Ring C»
» Elgar conducts Elgar.
» Puccini: Tosca
» Playback and Perception »
» Eat your heart out, Mr. »
» Bach's performing space.
» AMR PH-77: just another »
» Infinite Baffle Implemen»
» Greeting every one
» Tidal’s Music Streaming »
» Absolutely the best audi»
» Be careful: Imaging vs. »
» 12AX7 or?
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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 6523 
One-stage Milq++ and the DHT's alleged tone 6522 
DHT Milq? 6522 
The DHT journey. 6522 
DHT tone 6522 
Well, why not? 6521 
Holding the Fort 6521 
My DHT experiment: Preface 6521 
Input tube and DC heaters 6520 
Reimyo Pat 777 6520 
My DHT experiment: Observations 6516 
DHT or 300B? 6516 
300B 6516 
Talking, perception and the grounds for objectively 6516 
The Wine Via the Wine Glass 6515 
Hence the confusion 6515 
My DHT experiment: some conclusions. 6515 
Reality Reconstruction is not a functionality. 6515 
My experience with DHTs 6515 
Pigmented coloration? 6515 
Dht-dht 6515 
Dynamic viscosity? 6515 
The Pallette preamp... 6515 
If one DHT is good, two must be better? 6515 
"soul" of tubes 6515 
There is a difference... 6515 
Vibration injection? 6515 
Homework # 4334 6515 
The 01A-71A-10Y-45 chain 6515 
Old valves have more soul! 6514 
Was it soul or soil? 6514 
It was just a heading 6514 
Adjustable color: TIMBRE LOCK? 6514 
Neutral or neutral/uncoloured? 6514 
..are lacking in power, dynamics and bandwidth. 6514 
Timbre-Lock. Not quite ready for prime time. 6514 
Injection of analog dither? 6514 
Subliminal signal 6514 
The idea of analog randomanization. 6514 
Okay, what Avicena Power Generator 6514 
I hope you will be hearing about it. 6513 
Avicenna = Arabian 6513 
Persian, not Arab 6513 
The “second solution” - a major disappointment 6513 
More words to describe "sux" please 6513 
Revolution 6513 
The non-melodramatic DHT? 6513 
One-stage DHTs 6512 
One other thing 6512 
One stage 6512 
Brewing, thinking and heating 6512 
Physical characteristics of electronic devices 6512 
I see the things differently. 6512 
Don't waste time being "creative" 6512 
The audiophile attitude 6512 
The where and why of design choices 6512 
Blah blah blah 6512 
Laconic Clarity vs. Comfort vs. Nostalgia 6512 
Do I need to be hissing? 6512 
...associated with lack of neutrality and colorati... 6512 
John Broskie's Partial feedback amplifier 6512 
Randomness vs. freedom and the Homework # 4334 6511 
What is randomness? 6511 
Those least three possibilities… 6511 
Randomness and Music's Prerogative 6511 
It works, … sort of. The revolution is canceled. 6511 
Thorsten Loesch’s article about DHT SETs 6509 
A Beautiful Mind 6508 
Some summary and conclusions from the first phase. 6506 
Second phase: revising requirement for my DHT objectives. 6491 
Tubes for your DHT amp 6491 
Abandoning Milq? 6491 
Will see how it goes.... 6491 
Single-stage Milq vs. Sun Audio VT-2A3 6489 
Topology and 2A3? 6489 
6SN7-2A3 amps? 6489 
Type Casting 6489 
Sun Audio SV-2A3 6489 
6sn7-2a3 6489 
Topology vs parts 6489 
For a DHT amp, you are listening to the power supply 6489 
The vintage tubes syndrome. 6489 
Parts Frenzy 6489 
Too many new sounds 6489 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6488 
New tubes 6487 
Milq bias vs. batery bias 6487 
The batteries are a tricky thing. 6487 
Swimming the ocean at night? 6487 
New 2A3 6487 
To kill of do not kill the capacitor. 6486 
The JJ Electronic amp. 6485 
JJ 2A3 and amp 6485 
Czech tubes 6483 
Single plated vs Double plated? 6483 
Mono plate 2A3 tubes 6483 
I suggested once VT52 tube 6482 
The 800R vs. 1800R vs. 5500R 6482 
YO-186 as the output tube. 6479 
Here she is. 6478 
Some talks about the new production tubes 6474 
New 2A3 tubes 6474 
Some thoughts about one-IHT vs. multiple-DHT 6474 
The Sun Audio with 6E5P 6473 
Multistage DHT circuits 6472 
Wrong tube or wrong topology – here is the question. 6471 
Emission Labs 2A3 6471 
Some comment and questions about then 2A3 talks. 6471 
Which Chinese 2A3? 6471 
OK, for a first time I like the San Audio Kit. 6471 
The YO186 Strip Show 6471 
More on the 2A3 comparisons 6470 
It will be interesting…. 6470 
OPT impedence 6470 
More about the Plate Loading 6470 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6465 
2A3 data 6465 
The New 2A3 tubes 6465 
How many stages I need for 110dB sensitivity, smal... 6465 
How many stages and why... and who makes that 45 o... 6464 
Everything about everything. 6464 
Some very good points... and... possibly more logi... 6464 
Options, options, options.... 6464 
I think we agree overall 6464 
An IDHT with more gain? 6463 
You don't ask for much now, eh? 6463 
2A3 tube impressions 6458 
Interesting analogy 6458 
NOS 2A3 tubes versus new tubes 6458 
Hmmm, let me try this one again... 6458 
Sylvania 2A3 identification 6458 
A picture is worth a thousand micromhos? 6458 
I have more interest in the period tubes 6458 
Why NOS tubes? 6457 
The Holly Ignorance 6457 
Tube tasting 6457 
The cathodes’ flatulence? 6457 
Make mine thoriated please 6457 
Any Germans out there? 6457 
6E5P VS 6E6P 6457 
Vibrations? What do you with them? 6457 
Vibration in tubes and sounds 6457 
UX4 vs UX4ruskie 6456 
Ringing the tubes? I do not know how about that. 6456 
Tube sound and vibration 6456 
The thoughts collection about YO186? 6450 
The lights look green for the YO tube 6449 
"Melquiades" with YO-186. Something like... 6449 
My version of RE-604 and PX4 6448 
The YO186 tube sockets. 6448 
B4/B5 British made 6447 
The YO186’s sockets and prices 6447 
DHT 2A3 amplifier rectification 6446 
My attitude toward tube rectification. 6446 
Tu-be or not Tu-be, seems Tu-be the question. 6445 
It looks like DHT DSET is shaping up. 6444 
The Sylvania 2A3 NOS report 6441 
The Citizen Kane syndrome. 6441 
Sylvania 2A3 in a World without Color 6440 
Are NOS and new manufacture comparing oranges to o... 6440 
That all is incorrect in a way…. 6440 
NOS vs new 2A3 tubes 6440 
The identical operation environment? 6440 
Preferred 2A3 operating point 6440 
The sound of the 2A3 however? 6440 
Circuit modification for 2A3 optimization 6439 
How to get max power from 2A3 6439 
2A3 voltages, loads and realized output power 6439 
Optimal operation of 2A3: an experiment 6439 
Tubes, Whole Circuits, Expectations and Sound 6439 
Gain is not power. 6439 
2A3 amplifier modification & Optimization 6439 
Specialized DSET approach 6439 
6C33/2A3 DSET? 6439 
SET usable power and making the most of it 6439 
The 2A3 loading 6439 
DSET solution for EdgarHorn? 6439 
Optimizing the 2A3 6439 
How much to DSET a DSET 6439 
DSET for Titan 6439 
The Best of All Worlds 6439 
Multiamp setup 6438 
Optimizing the (NOS) 2A3... "KM-style"? 6438 
There are many opportunities, it all depends what ... 6438 
Modifying amplifer to optimize NOS 2A3 performance 6438 
Conceptualizing Melquiades DSET is done 6432 
2A3 and 400V supply 6432 
Pudding and the chicken wires 6431 
Another shot at numbers 6431 
How to cook the "uninformed" anode. 6431 
Okay, so this might work.... 6431 
The DHT Milq DSET, the prebuilt draft. 6431 
Looks good, but.... 6430 
2A3 with slightly lover filament voltage? 6430 
Less is more... usually. 6430 
Where to burn gain? how? and where to get beter st... 6429 
Stepping Out 6429 
Said to be good, but 6429 
Gain to lose 6429 
Why nothing is simple with this damn amp! 6429 
Another idea for losing gain 6429 
What's best 6429 
Options, options... 6429 
Actually, it is not so bad. 6429 
Other compromises... 6428 
Cathode vs. fixed with DHT 6427 
Is it glowing yet? 6407 
It is comming.... 6407 
The new MF channel. 6401 
I started to work on the Milq’s DHT Island. 6400 
Innerstage loading vs. OPT loading. 6392 
The intestage loading talk. 6389 
My playback feels like it is broken. 6384 
1 in 50? 6384 
Yes, it was after PP2000 6384 
Die Walküre soldering. 6383 
The post Die Walküre soldering 6382 
Another amp arond YO186 6381 
Gain? 6381 
The Unexpected problem with DHT Milq. 6381 
Simple is good 6380 
Ok, I am moving forward. 6380 
The Milq DSET is up. 6379 
My DH DSET – 2 days later. 6377 
Here is more data to reconcile. 6377 
Hm, that is interesting and unpleasant so far. 6376 
Ok, what do I want? 6376 
Let Go of Some Conceptual "Restrictions"? 6376 
The Milq DH DSET, the further thoughts in progress. 6376 
Crunching Numbers; Shaping Sound 6376 
How about the tweeter? 6375 
Tweeter Efficiency? 6375 
Safe and Sound 6375 
More mystery with tweeter but still on the subject. 6375 
Some clarifications. 6375 
How about that?!!! 6375 
Further considerations: DC-coupling. 6373 
Head Room 6373 
To kill the mandatory 13dB 6372 
DC coupling and killing 13db and driving 6e5p miller and.... 6372 
I do not think that it might be damaging… 6372 
Again with the PS 6372 
AKA J.C. Morrison’s amp but… 6370 
Parallel Universe 6370 
Melquiades HD MF DSET, Draft13. 6368 
Why I let other people build them... 6368 
Ok, it's going to right direction. 6368 
Ok, it looks already very close…. 6367 
The Loftinish-Whitish, well sort of…. 6364 
MF: the pre-final version. 6364 
Loftin-White? 6364 
Did anyone hear the PX4 amplifiers? 6364 
What Could use Improving at This Point? 6364 
The Milq’s MF front-end is done 6360 
Why I Let Other People Build Them, II 6360 
Define really quiet 6359 
Another variable of sound 6359 
Backlash? 6359 
Alternative filament supplies 6359 
I kind of faced a problem with AC 6359 
Going down the DC path 6358 
It is not about the “whole sound” but about “molec... 6358 
Molecular sound 6358 
AC-DC heater supply 6358 
The Tentlabs are $10 worth PS. 6358 
The unexpected resolution of AC vs. DC quandary. 6358 
The devil is less scared than it depicted. 6358 
Hiss or Hum 6358 
AC transformers 6358 
I have seen the Promised Land 6357 
OK, the choke noise is not a problem anymore 6357 
Ok, it is working fine but… 6356 
Divide and Conquer 6356 
The design phase is over. 6355 
The unexpected insanity! 6354 
Loading 6354 
Looking for inspiring ideas for 'universal' loadin... 6354 
A filaments Sherlock Holmes wanted. 6354 
Going the Distance 6354 
Read the f*** manual! 6354 
Agreed. 6354 
I agree 6354 
The filament transformer 6354 
Center-tap and options 6354 
Something like this…. 6354 
Avoiding "Dial-an-Amp" 6354 
The foreplay is going on. 6354 
Split balance 6353 
Further thoughts about my DH filaments 6353 
The Shuguang 2A3 tubes. 6353 
SHuguang 6353 
Going through…. 6352 
The 2.5V noise vs. 4V noise. 6351 
More about Shuguang 2A3C 6351 
Hum vs voltage 6351 
Meow about the tubes… 6351 
To Be a Content Cat 6351 
Completed! 6348 
Tradition 6348 
Absolutely beautiful! 6348 
The 'film' caps in PS 6347 
Science or religion 6347 
Mass Extinction 6347 
Electrolytics, technology and time 6347 
No more questions about PS capacitors. 6347 
Capacitor choices 6347 
Good time. Welcome back. Thanks God. 6346 
The minor day of Quartets. 6346 
Them's the Breaks 6346 
Eventually! 6345 
So Soon? 6345 
DHT MF channel and 6-ch amp: first conclusions 6345 
All Abuzz about Nothing 6344 
The wire for DC-coupling 6344 
The Dirt on DIY Backlash 6344 
DSET vs. the “better tubes”. 6344 
How to test the DH tubes properly? 6343 
Pairing up tubes for SE use 6342 
The DHT live reserve 6341 
Some interestng models 6341 
Eaten alive. 6341 
The tubey déjà vu? 6340 
The new concept of my output transformer. 6336 
The 4V takes a lead. 6332 
Listening the DH and the striped down version of M... 6329 
I kind of slowly learn what I need. 6329 
More HF from a transformer and DHT? 6327 
Since You Don't Need the Gain 6326 
Exiting the design mode? 6326 
Bye-bye the input divider on MF! 6326 
A few steps back and a gaint leap ahead. 6322 
Single-stage vs. DHT amp. 6321 
Setting up the new Playback 6320 
And the winner is… so far 6317 
If you like type 45... 6317 
Type 45... they're not all the same 6317 
Favorite Flavor? 6317 
The 45 times Meow... 6317 
The problem that I see is… 6317 
Running the 45 6317 
The 10Y...and bye bye Newton 6316 
The commentaries about everything. 6316 
Driver tube and biasing 6316 
DHT drivers 6316 
The ideas are worth trying? 6316 
A question about the polishing the things…. 6312 
The Particular Tube, I'm afraid... 6312 
Driving the 45... cathode first 6311 
ST or Globe; old or new... 6311 
Whatever sticks to the wall as an operation point ... 6311 
The attenuating crap in secondary. 6311 
Operating points and cathode current 6311 
The Burgeoning Opportunities! 6311 
Actually it is not so simple. 6311 
Resistors at the front 6310 
A minor alternation of a position 6310 
The era of enlightenment. 6307 
The devil is in the details.... 6307 
Constructing Sound 6307 
A new view on the DHT evaluation. 6306 
The “strange” YO186 6297 
The dead guy’s lessons. 6252 
2S4S and 2A3 6243 
Ho to use the YO186 6236 
YO 186 fundamental flavor 6236 
The YO-YO tube and "fundamentals" channel 6236 
The live without the YO186, again.... 6234 
Not anymore! 6223 
The very good YoYonisation! 6222 
….above and below two very clean channel. 6221 
The DHT and esoteric imaging deformation. 6208 
DHT, YO186, or??? 6208 
I had no idea how ‘different’ it is. 6155 
The Kazitsky Manufacturing and YO104, some history. 6154 
"Absolution and Eternal Refuge." 6151 
Sofia Electric Type 45 Mesh 6141 
The true association of YO186's Sounds. 5903 
All the Best from Burgundy 5903 
Cheesy tubes 5902 
Me and my DHT references… 5793 
Y0-186 in winter. 5696 
Y0-186 sounds like… 5695 
Rethinking the YO186 tube. 5664 
In My Dreams 5664 
Grunt from type 45? A ridicules comment. 5664 
Blame? 5663 
When good is not good enough. 5663 
45s, Drivers, and 45s 5663 
Hm, that was so simple after all! 5662 
How the YO186 was used. 5246 
What is old is new? 5245 
YO186 vs. type 45. 5244 
The YO186 is gone.... :-( 4793 
That sucks. 4793 
YO186 4791 
Hm, what the hell is going on? 4791 
I do not think that anybody but me would like YO186 4791 
A hallucination? 4788 
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