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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
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Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Single-stage Melquiades vs. DHT amps 6557 
One-stage Milq++ and the DHT's alleged tone 6556 
DHT Milq? 6556 
The DHT journey. 6556 
DHT tone 6556 
Well, why not? 6555 
Holding the Fort 6555 
My DHT experiment: Preface 6555 
Input tube and DC heaters 6554 
Reimyo Pat 777 6554 
My DHT experiment: Observations 6550 
DHT or 300B? 6550 
300B 6550 
Talking, perception and the grounds for objectively 6550 
The Wine Via the Wine Glass 6549 
Hence the confusion 6549 
My DHT experiment: some conclusions. 6549 
Reality Reconstruction is not a functionality. 6549 
My experience with DHTs 6549 
Pigmented coloration? 6549 
Dht-dht 6549 
Dynamic viscosity? 6549 
The Pallette preamp... 6549 
If one DHT is good, two must be better? 6549 
"soul" of tubes 6549 
There is a difference... 6549 
Vibration injection? 6549 
Homework # 4334 6549 
The 01A-71A-10Y-45 chain 6549 
Old valves have more soul! 6548 
Was it soul or soil? 6548 
It was just a heading 6548 
Adjustable color: TIMBRE LOCK? 6548 
Neutral or neutral/uncoloured? 6548 
..are lacking in power, dynamics and bandwidth. 6548 
Timbre-Lock. Not quite ready for prime time. 6548 
Injection of analog dither? 6548 
Subliminal signal 6548 
The idea of analog randomanization. 6548 
Okay, what Avicena Power Generator 6548 
I hope you will be hearing about it. 6547 
Avicenna = Arabian 6547 
Persian, not Arab 6547 
The “second solution” - a major disappointment 6547 
More words to describe "sux" please 6547 
Revolution 6547 
The non-melodramatic DHT? 6547 
One-stage DHTs 6546 
One other thing 6546 
One stage 6546 
Brewing, thinking and heating 6546 
Physical characteristics of electronic devices 6546 
I see the things differently. 6546 
Don't waste time being "creative" 6546 
The audiophile attitude 6546 
The where and why of design choices 6546 
Blah blah blah 6546 
Laconic Clarity vs. Comfort vs. Nostalgia 6546 
Do I need to be hissing? 6546 
...associated with lack of neutrality and colorati... 6546 
John Broskie's Partial feedback amplifier 6546 
Randomness vs. freedom and the Homework # 4334 6545 
What is randomness? 6545 
Those least three possibilities… 6545 
Randomness and Music's Prerogative 6545 
It works, … sort of. The revolution is canceled. 6545 
Thorsten Loesch’s article about DHT SETs 6543 
A Beautiful Mind 6542 
Some summary and conclusions from the first phase. 6540 
Second phase: revising requirement for my DHT objectives. 6525 
Tubes for your DHT amp 6525 
Abandoning Milq? 6525 
Will see how it goes.... 6525 
Single-stage Milq vs. Sun Audio VT-2A3 6523 
Topology and 2A3? 6523 
6SN7-2A3 amps? 6523 
Type Casting 6523 
Sun Audio SV-2A3 6523 
6sn7-2a3 6523 
Topology vs parts 6523 
For a DHT amp, you are listening to the power supply 6523 
The vintage tubes syndrome. 6523 
Parts Frenzy 6523 
Too many new sounds 6523 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6522 
New tubes 6521 
Milq bias vs. batery bias 6521 
The batteries are a tricky thing. 6521 
Swimming the ocean at night? 6521 
New 2A3 6521 
To kill of do not kill the capacitor. 6520 
The JJ Electronic amp. 6519 
JJ 2A3 and amp 6519 
Czech tubes 6517 
Single plated vs Double plated? 6517 
Mono plate 2A3 tubes 6517 
I suggested once VT52 tube 6516 
The 800R vs. 1800R vs. 5500R 6516 
YO-186 as the output tube. 6513 
Here she is. 6512 
Some talks about the new production tubes 6508 
New 2A3 tubes 6508 
Some thoughts about one-IHT vs. multiple-DHT 6508 
The Sun Audio with 6E5P 6507 
Multistage DHT circuits 6506 
Wrong tube or wrong topology – here is the question. 6505 
Emission Labs 2A3 6505 
Some comment and questions about then 2A3 talks. 6505 
Which Chinese 2A3? 6505 
OK, for a first time I like the San Audio Kit. 6505 
The YO186 Strip Show 6505 
More on the 2A3 comparisons 6504 
It will be interesting…. 6504 
OPT impedence 6504 
More about the Plate Loading 6504 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6499 
2A3 data 6499 
The New 2A3 tubes 6499 
How many stages I need for 110dB sensitivity, smal... 6499 
How many stages and why... and who makes that 45 o... 6498 
Everything about everything. 6498 
Some very good points... and... possibly more logi... 6498 
Options, options, options.... 6498 
I think we agree overall 6498 
An IDHT with more gain? 6497 
You don't ask for much now, eh? 6497 
2A3 tube impressions 6492 
Interesting analogy 6492 
NOS 2A3 tubes versus new tubes 6492 
Hmmm, let me try this one again... 6492 
Sylvania 2A3 identification 6492 
A picture is worth a thousand micromhos? 6492 
I have more interest in the period tubes 6492 
Why NOS tubes? 6491 
The Holly Ignorance 6491 
Tube tasting 6491 
The cathodes’ flatulence? 6491 
Make mine thoriated please 6491 
Any Germans out there? 6491 
6E5P VS 6E6P 6491 
Vibrations? What do you with them? 6491 
Vibration in tubes and sounds 6491 
UX4 vs UX4ruskie 6490 
Ringing the tubes? I do not know how about that. 6490 
Tube sound and vibration 6490 
The thoughts collection about YO186? 6484 
The lights look green for the YO tube 6483 
"Melquiades" with YO-186. Something like... 6483 
My version of RE-604 and PX4 6482 
The YO186 tube sockets. 6482 
B4/B5 British made 6481 
The YO186’s sockets and prices 6481 
DHT 2A3 amplifier rectification 6480 
My attitude toward tube rectification. 6480 
Tu-be or not Tu-be, seems Tu-be the question. 6479 
It looks like DHT DSET is shaping up. 6478 
The Sylvania 2A3 NOS report 6475 
The Citizen Kane syndrome. 6475 
Sylvania 2A3 in a World without Color 6474 
Are NOS and new manufacture comparing oranges to o... 6474 
That all is incorrect in a way…. 6474 
NOS vs new 2A3 tubes 6474 
The identical operation environment? 6474 
Preferred 2A3 operating point 6474 
The sound of the 2A3 however? 6474 
Circuit modification for 2A3 optimization 6473 
How to get max power from 2A3 6473 
2A3 voltages, loads and realized output power 6473 
Optimal operation of 2A3: an experiment 6473 
Tubes, Whole Circuits, Expectations and Sound 6473 
Gain is not power. 6473 
2A3 amplifier modification & Optimization 6473 
Specialized DSET approach 6473 
6C33/2A3 DSET? 6473 
SET usable power and making the most of it 6473 
The 2A3 loading 6473 
DSET solution for EdgarHorn? 6473 
Optimizing the 2A3 6473 
How much to DSET a DSET 6473 
DSET for Titan 6473 
The Best of All Worlds 6473 
Multiamp setup 6472 
Optimizing the (NOS) 2A3... "KM-style"? 6472 
There are many opportunities, it all depends what ... 6472 
Modifying amplifer to optimize NOS 2A3 performance 6472 
Conceptualizing Melquiades DSET is done 6466 
2A3 and 400V supply 6466 
Pudding and the chicken wires 6465 
Another shot at numbers 6465 
How to cook the "uninformed" anode. 6465 
Okay, so this might work.... 6465 
The DHT Milq DSET, the prebuilt draft. 6465 
Looks good, but.... 6464 
2A3 with slightly lover filament voltage? 6464 
Less is more... usually. 6464 
Where to burn gain? how? and where to get beter st... 6463 
Stepping Out 6463 
Said to be good, but 6463 
Gain to lose 6463 
Why nothing is simple with this damn amp! 6463 
Another idea for losing gain 6463 
What's best 6463 
Options, options... 6463 
Actually, it is not so bad. 6463 
Other compromises... 6462 
Cathode vs. fixed with DHT 6461 
Is it glowing yet? 6441 
It is comming.... 6441 
The new MF channel. 6435 
I started to work on the Milq’s DHT Island. 6434 
Innerstage loading vs. OPT loading. 6426 
The intestage loading talk. 6423 
My playback feels like it is broken. 6418 
1 in 50? 6418 
Yes, it was after PP2000 6418 
Die Walküre soldering. 6417 
The post Die Walküre soldering 6416 
Another amp arond YO186 6415 
Gain? 6415 
The Unexpected problem with DHT Milq. 6415 
Simple is good 6414 
Ok, I am moving forward. 6414 
The Milq DSET is up. 6413 
My DH DSET – 2 days later. 6411 
Here is more data to reconcile. 6411 
Hm, that is interesting and unpleasant so far. 6410 
Ok, what do I want? 6410 
Let Go of Some Conceptual "Restrictions"? 6410 
The Milq DH DSET, the further thoughts in progress. 6410 
Crunching Numbers; Shaping Sound 6410 
How about the tweeter? 6409 
Tweeter Efficiency? 6409 
Safe and Sound 6409 
More mystery with tweeter but still on the subject. 6409 
Some clarifications. 6409 
How about that?!!! 6409 
Further considerations: DC-coupling. 6407 
Head Room 6407 
To kill the mandatory 13dB 6406 
DC coupling and killing 13db and driving 6e5p miller and.... 6406 
I do not think that it might be damaging… 6406 
Again with the PS 6406 
AKA J.C. Morrison’s amp but… 6404 
Parallel Universe 6404 
Melquiades HD MF DSET, Draft13. 6402 
Why I let other people build them... 6402 
Ok, it's going to right direction. 6402 
Ok, it looks already very close…. 6401 
The Loftinish-Whitish, well sort of…. 6398 
MF: the pre-final version. 6398 
Loftin-White? 6398 
Did anyone hear the PX4 amplifiers? 6398 
What Could use Improving at This Point? 6398 
The Milq’s MF front-end is done 6394 
Why I Let Other People Build Them, II 6394 
Define really quiet 6393 
Another variable of sound 6393 
Backlash? 6393 
Alternative filament supplies 6393 
I kind of faced a problem with AC 6393 
Going down the DC path 6392 
It is not about the “whole sound” but about “molec... 6392 
Molecular sound 6392 
AC-DC heater supply 6392 
The Tentlabs are $10 worth PS. 6392 
The unexpected resolution of AC vs. DC quandary. 6392 
The devil is less scared than it depicted. 6392 
Hiss or Hum 6392 
AC transformers 6392 
I have seen the Promised Land 6391 
OK, the choke noise is not a problem anymore 6391 
Ok, it is working fine but… 6390 
Divide and Conquer 6390 
The design phase is over. 6389 
The unexpected insanity! 6388 
Loading 6388 
Looking for inspiring ideas for 'universal' loadin... 6388 
A filaments Sherlock Holmes wanted. 6388 
Going the Distance 6388 
Read the f*** manual! 6388 
Agreed. 6388 
I agree 6388 
The filament transformer 6388 
Center-tap and options 6388 
Something like this…. 6388 
Avoiding "Dial-an-Amp" 6388 
The foreplay is going on. 6388 
Split balance 6387 
Further thoughts about my DH filaments 6387 
The Shuguang 2A3 tubes. 6387 
SHuguang 6387 
Going through…. 6386 
The 2.5V noise vs. 4V noise. 6385 
More about Shuguang 2A3C 6385 
Hum vs voltage 6385 
Meow about the tubes… 6385 
To Be a Content Cat 6385 
Completed! 6382 
Tradition 6382 
Absolutely beautiful! 6382 
The 'film' caps in PS 6381 
Science or religion 6381 
Mass Extinction 6381 
Electrolytics, technology and time 6381 
No more questions about PS capacitors. 6381 
Capacitor choices 6381 
Good time. Welcome back. Thanks God. 6380 
The minor day of Quartets. 6380 
Them's the Breaks 6380 
Eventually! 6379 
So Soon? 6379 
DHT MF channel and 6-ch amp: first conclusions 6379 
All Abuzz about Nothing 6378 
The wire for DC-coupling 6378 
The Dirt on DIY Backlash 6378 
DSET vs. the “better tubes”. 6378 
How to test the DH tubes properly? 6377 
Pairing up tubes for SE use 6376 
The DHT live reserve 6375 
Some interestng models 6375 
Eaten alive. 6375 
The tubey déjà vu? 6374 
The new concept of my output transformer. 6370 
The 4V takes a lead. 6366 
Listening the DH and the striped down version of M... 6363 
I kind of slowly learn what I need. 6363 
More HF from a transformer and DHT? 6361 
Since You Don't Need the Gain 6360 
Exiting the design mode? 6360 
Bye-bye the input divider on MF! 6360 
A few steps back and a gaint leap ahead. 6356 
Single-stage vs. DHT amp. 6355 
Setting up the new Playback 6354 
And the winner is… so far 6351 
If you like type 45... 6351 
Type 45... they're not all the same 6351 
Favorite Flavor? 6351 
The 45 times Meow... 6351 
The problem that I see is… 6351 
Running the 45 6351 
The 10Y...and bye bye Newton 6350 
The commentaries about everything. 6350 
Driver tube and biasing 6350 
DHT drivers 6350 
The ideas are worth trying? 6350 
A question about the polishing the things…. 6346 
The Particular Tube, I'm afraid... 6346 
Driving the 45... cathode first 6345 
ST or Globe; old or new... 6345 
Whatever sticks to the wall as an operation point ... 6345 
The attenuating crap in secondary. 6345 
Operating points and cathode current 6345 
The Burgeoning Opportunities! 6345 
Actually it is not so simple. 6345 
Resistors at the front 6344 
A minor alternation of a position 6344 
The era of enlightenment. 6341 
The devil is in the details.... 6341 
Constructing Sound 6341 
A new view on the DHT evaluation. 6340 
The “strange” YO186 6331 
The dead guy’s lessons. 6286 
2S4S and 2A3 6277 
Ho to use the YO186 6270 
YO 186 fundamental flavor 6270 
The YO-YO tube and "fundamentals" channel 6270 
The live without the YO186, again.... 6268 
Not anymore! 6257 
The very good YoYonisation! 6256 
….above and below two very clean channel. 6255 
The DHT and esoteric imaging deformation. 6242 
DHT, YO186, or??? 6242 
I had no idea how ‘different’ it is. 6189 
The Kazitsky Manufacturing and YO104, some history. 6188 
"Absolution and Eternal Refuge." 6185 
Sofia Electric Type 45 Mesh 6175 
The true association of YO186's Sounds. 5937 
All the Best from Burgundy 5937 
Cheesy tubes 5936 
Me and my DHT references… 5827 
Y0-186 in winter. 5730 
Y0-186 sounds like… 5729 
Rethinking the YO186 tube. 5698 
In My Dreams 5698 
Grunt from type 45? A ridicules comment. 5698 
Blame? 5697 
When good is not good enough. 5697 
45s, Drivers, and 45s 5697 
Hm, that was so simple after all! 5696 
How the YO186 was used. 5280 
What is old is new? 5279 
YO186 vs. type 45. 5278 
The YO186 is gone.... :-( 4827 
That sucks. 4827 
YO186 4825 
Hm, what the hell is going on? 4825 
I do not think that anybody but me would like YO186 4825 
A hallucination? 4822 
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