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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

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Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
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Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
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» About Timbre and Audio.
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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 6543 
One-stage Milq++ and the DHT's alleged tone 6542 
DHT Milq? 6542 
The DHT journey. 6542 
DHT tone 6542 
Well, why not? 6541 
Holding the Fort 6541 
My DHT experiment: Preface 6541 
Input tube and DC heaters 6540 
Reimyo Pat 777 6540 
My DHT experiment: Observations 6536 
DHT or 300B? 6536 
300B 6536 
Talking, perception and the grounds for objectively 6536 
The Wine Via the Wine Glass 6535 
Hence the confusion 6535 
My DHT experiment: some conclusions. 6535 
Reality Reconstruction is not a functionality. 6535 
My experience with DHTs 6535 
Pigmented coloration? 6535 
Dht-dht 6535 
Dynamic viscosity? 6535 
The Pallette preamp... 6535 
If one DHT is good, two must be better? 6535 
"soul" of tubes 6535 
There is a difference... 6535 
Vibration injection? 6535 
Homework # 4334 6535 
The 01A-71A-10Y-45 chain 6535 
Old valves have more soul! 6534 
Was it soul or soil? 6534 
It was just a heading 6534 
Adjustable color: TIMBRE LOCK? 6534 
Neutral or neutral/uncoloured? 6534 
..are lacking in power, dynamics and bandwidth. 6534 
Timbre-Lock. Not quite ready for prime time. 6534 
Injection of analog dither? 6534 
Subliminal signal 6534 
The idea of analog randomanization. 6534 
Okay, what Avicena Power Generator 6534 
I hope you will be hearing about it. 6533 
Avicenna = Arabian 6533 
Persian, not Arab 6533 
The “second solution” - a major disappointment 6533 
More words to describe "sux" please 6533 
Revolution 6533 
The non-melodramatic DHT? 6533 
One-stage DHTs 6532 
One other thing 6532 
One stage 6532 
Brewing, thinking and heating 6532 
Physical characteristics of electronic devices 6532 
I see the things differently. 6532 
Don't waste time being "creative" 6532 
The audiophile attitude 6532 
The where and why of design choices 6532 
Blah blah blah 6532 
Laconic Clarity vs. Comfort vs. Nostalgia 6532 
Do I need to be hissing? 6532 
...associated with lack of neutrality and colorati... 6532 
John Broskie's Partial feedback amplifier 6532 
Randomness vs. freedom and the Homework # 4334 6531 
What is randomness? 6531 
Those least three possibilities… 6531 
Randomness and Music's Prerogative 6531 
It works, … sort of. The revolution is canceled. 6531 
Thorsten Loesch’s article about DHT SETs 6529 
A Beautiful Mind 6528 
Some summary and conclusions from the first phase. 6526 
Second phase: revising requirement for my DHT objectives. 6511 
Tubes for your DHT amp 6511 
Abandoning Milq? 6511 
Will see how it goes.... 6511 
Single-stage Milq vs. Sun Audio VT-2A3 6509 
Topology and 2A3? 6509 
6SN7-2A3 amps? 6509 
Type Casting 6509 
Sun Audio SV-2A3 6509 
6sn7-2a3 6509 
Topology vs parts 6509 
For a DHT amp, you are listening to the power supply 6509 
The vintage tubes syndrome. 6509 
Parts Frenzy 6509 
Too many new sounds 6509 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6508 
New tubes 6507 
Milq bias vs. batery bias 6507 
The batteries are a tricky thing. 6507 
Swimming the ocean at night? 6507 
New 2A3 6507 
To kill of do not kill the capacitor. 6506 
The JJ Electronic amp. 6505 
JJ 2A3 and amp 6505 
Czech tubes 6503 
Single plated vs Double plated? 6503 
Mono plate 2A3 tubes 6503 
I suggested once VT52 tube 6502 
The 800R vs. 1800R vs. 5500R 6502 
YO-186 as the output tube. 6499 
Here she is. 6498 
Some talks about the new production tubes 6494 
New 2A3 tubes 6494 
Some thoughts about one-IHT vs. multiple-DHT 6494 
The Sun Audio with 6E5P 6493 
Multistage DHT circuits 6492 
Wrong tube or wrong topology – here is the question. 6491 
Emission Labs 2A3 6491 
Some comment and questions about then 2A3 talks. 6491 
Which Chinese 2A3? 6491 
OK, for a first time I like the San Audio Kit. 6491 
The YO186 Strip Show 6491 
More on the 2A3 comparisons 6490 
It will be interesting…. 6490 
OPT impedence 6490 
More about the Plate Loading 6490 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6485 
2A3 data 6485 
The New 2A3 tubes 6485 
How many stages I need for 110dB sensitivity, smal... 6485 
How many stages and why... and who makes that 45 o... 6484 
Everything about everything. 6484 
Some very good points... and... possibly more logi... 6484 
Options, options, options.... 6484 
I think we agree overall 6484 
An IDHT with more gain? 6483 
You don't ask for much now, eh? 6483 
2A3 tube impressions 6478 
Interesting analogy 6478 
NOS 2A3 tubes versus new tubes 6478 
Hmmm, let me try this one again... 6478 
Sylvania 2A3 identification 6478 
A picture is worth a thousand micromhos? 6478 
I have more interest in the period tubes 6478 
Why NOS tubes? 6477 
The Holly Ignorance 6477 
Tube tasting 6477 
The cathodes’ flatulence? 6477 
Make mine thoriated please 6477 
Any Germans out there? 6477 
6E5P VS 6E6P 6477 
Vibrations? What do you with them? 6477 
Vibration in tubes and sounds 6477 
UX4 vs UX4ruskie 6476 
Ringing the tubes? I do not know how about that. 6476 
Tube sound and vibration 6476 
The thoughts collection about YO186? 6470 
The lights look green for the YO tube 6469 
"Melquiades" with YO-186. Something like... 6469 
My version of RE-604 and PX4 6468 
The YO186 tube sockets. 6468 
B4/B5 British made 6467 
The YO186’s sockets and prices 6467 
DHT 2A3 amplifier rectification 6466 
My attitude toward tube rectification. 6466 
Tu-be or not Tu-be, seems Tu-be the question. 6465 
It looks like DHT DSET is shaping up. 6464 
The Sylvania 2A3 NOS report 6461 
The Citizen Kane syndrome. 6461 
Sylvania 2A3 in a World without Color 6460 
Are NOS and new manufacture comparing oranges to o... 6460 
That all is incorrect in a way…. 6460 
NOS vs new 2A3 tubes 6460 
The identical operation environment? 6460 
Preferred 2A3 operating point 6460 
The sound of the 2A3 however? 6460 
Circuit modification for 2A3 optimization 6459 
How to get max power from 2A3 6459 
2A3 voltages, loads and realized output power 6459 
Optimal operation of 2A3: an experiment 6459 
Tubes, Whole Circuits, Expectations and Sound 6459 
Gain is not power. 6459 
2A3 amplifier modification & Optimization 6459 
Specialized DSET approach 6459 
6C33/2A3 DSET? 6459 
SET usable power and making the most of it 6459 
The 2A3 loading 6459 
DSET solution for EdgarHorn? 6459 
Optimizing the 2A3 6459 
How much to DSET a DSET 6459 
DSET for Titan 6459 
The Best of All Worlds 6459 
Multiamp setup 6458 
Optimizing the (NOS) 2A3... "KM-style"? 6458 
There are many opportunities, it all depends what ... 6458 
Modifying amplifer to optimize NOS 2A3 performance 6458 
Conceptualizing Melquiades DSET is done 6452 
2A3 and 400V supply 6452 
Pudding and the chicken wires 6451 
Another shot at numbers 6451 
How to cook the "uninformed" anode. 6451 
Okay, so this might work.... 6451 
The DHT Milq DSET, the prebuilt draft. 6451 
Looks good, but.... 6450 
2A3 with slightly lover filament voltage? 6450 
Less is more... usually. 6450 
Where to burn gain? how? and where to get beter st... 6449 
Stepping Out 6449 
Said to be good, but 6449 
Gain to lose 6449 
Why nothing is simple with this damn amp! 6449 
Another idea for losing gain 6449 
What's best 6449 
Options, options... 6449 
Actually, it is not so bad. 6449 
Other compromises... 6448 
Cathode vs. fixed with DHT 6447 
Is it glowing yet? 6427 
It is comming.... 6427 
The new MF channel. 6421 
I started to work on the Milq’s DHT Island. 6420 
Innerstage loading vs. OPT loading. 6412 
The intestage loading talk. 6409 
My playback feels like it is broken. 6404 
1 in 50? 6404 
Yes, it was after PP2000 6404 
Die Walküre soldering. 6403 
The post Die Walküre soldering 6402 
Another amp arond YO186 6401 
Gain? 6401 
The Unexpected problem with DHT Milq. 6401 
Simple is good 6400 
Ok, I am moving forward. 6400 
The Milq DSET is up. 6399 
My DH DSET – 2 days later. 6397 
Here is more data to reconcile. 6397 
Hm, that is interesting and unpleasant so far. 6396 
Ok, what do I want? 6396 
Let Go of Some Conceptual "Restrictions"? 6396 
The Milq DH DSET, the further thoughts in progress. 6396 
Crunching Numbers; Shaping Sound 6396 
How about the tweeter? 6395 
Tweeter Efficiency? 6395 
Safe and Sound 6395 
More mystery with tweeter but still on the subject. 6395 
Some clarifications. 6395 
How about that?!!! 6395 
Further considerations: DC-coupling. 6393 
Head Room 6393 
To kill the mandatory 13dB 6392 
DC coupling and killing 13db and driving 6e5p miller and.... 6392 
I do not think that it might be damaging… 6392 
Again with the PS 6392 
AKA J.C. Morrison’s amp but… 6390 
Parallel Universe 6390 
Melquiades HD MF DSET, Draft13. 6388 
Why I let other people build them... 6388 
Ok, it's going to right direction. 6388 
Ok, it looks already very close…. 6387 
The Loftinish-Whitish, well sort of…. 6384 
MF: the pre-final version. 6384 
Loftin-White? 6384 
Did anyone hear the PX4 amplifiers? 6384 
What Could use Improving at This Point? 6384 
The Milq’s MF front-end is done 6380 
Why I Let Other People Build Them, II 6380 
Define really quiet 6379 
Another variable of sound 6379 
Backlash? 6379 
Alternative filament supplies 6379 
I kind of faced a problem with AC 6379 
Going down the DC path 6378 
It is not about the “whole sound” but about “molec... 6378 
Molecular sound 6378 
AC-DC heater supply 6378 
The Tentlabs are $10 worth PS. 6378 
The unexpected resolution of AC vs. DC quandary. 6378 
The devil is less scared than it depicted. 6378 
Hiss or Hum 6378 
AC transformers 6378 
I have seen the Promised Land 6377 
OK, the choke noise is not a problem anymore 6377 
Ok, it is working fine but… 6376 
Divide and Conquer 6376 
The design phase is over. 6375 
The unexpected insanity! 6374 
Loading 6374 
Looking for inspiring ideas for 'universal' loadin... 6374 
A filaments Sherlock Holmes wanted. 6374 
Going the Distance 6374 
Read the f*** manual! 6374 
Agreed. 6374 
I agree 6374 
The filament transformer 6374 
Center-tap and options 6374 
Something like this…. 6374 
Avoiding "Dial-an-Amp" 6374 
The foreplay is going on. 6374 
Split balance 6373 
Further thoughts about my DH filaments 6373 
The Shuguang 2A3 tubes. 6373 
SHuguang 6373 
Going through…. 6372 
The 2.5V noise vs. 4V noise. 6371 
More about Shuguang 2A3C 6371 
Hum vs voltage 6371 
Meow about the tubes… 6371 
To Be a Content Cat 6371 
Completed! 6368 
Tradition 6368 
Absolutely beautiful! 6368 
The 'film' caps in PS 6367 
Science or religion 6367 
Mass Extinction 6367 
Electrolytics, technology and time 6367 
No more questions about PS capacitors. 6367 
Capacitor choices 6367 
Good time. Welcome back. Thanks God. 6366 
The minor day of Quartets. 6366 
Them's the Breaks 6366 
Eventually! 6365 
So Soon? 6365 
DHT MF channel and 6-ch amp: first conclusions 6365 
All Abuzz about Nothing 6364 
The wire for DC-coupling 6364 
The Dirt on DIY Backlash 6364 
DSET vs. the “better tubes”. 6364 
How to test the DH tubes properly? 6363 
Pairing up tubes for SE use 6362 
The DHT live reserve 6361 
Some interestng models 6361 
Eaten alive. 6361 
The tubey déjà vu? 6360 
The new concept of my output transformer. 6356 
The 4V takes a lead. 6352 
Listening the DH and the striped down version of M... 6349 
I kind of slowly learn what I need. 6349 
More HF from a transformer and DHT? 6347 
Since You Don't Need the Gain 6346 
Exiting the design mode? 6346 
Bye-bye the input divider on MF! 6346 
A few steps back and a gaint leap ahead. 6342 
Single-stage vs. DHT amp. 6341 
Setting up the new Playback 6340 
And the winner is… so far 6337 
If you like type 45... 6337 
Type 45... they're not all the same 6337 
Favorite Flavor? 6337 
The 45 times Meow... 6337 
The problem that I see is… 6337 
Running the 45 6337 
The 10Y...and bye bye Newton 6336 
The commentaries about everything. 6336 
Driver tube and biasing 6336 
DHT drivers 6336 
The ideas are worth trying? 6336 
A question about the polishing the things…. 6332 
The Particular Tube, I'm afraid... 6332 
Driving the 45... cathode first 6331 
ST or Globe; old or new... 6331 
Whatever sticks to the wall as an operation point ... 6331 
The attenuating crap in secondary. 6331 
Operating points and cathode current 6331 
The Burgeoning Opportunities! 6331 
Actually it is not so simple. 6331 
Resistors at the front 6330 
A minor alternation of a position 6330 
The era of enlightenment. 6327 
The devil is in the details.... 6327 
Constructing Sound 6327 
A new view on the DHT evaluation. 6326 
The “strange” YO186 6317 
The dead guy’s lessons. 6272 
2S4S and 2A3 6263 
Ho to use the YO186 6256 
YO 186 fundamental flavor 6256 
The YO-YO tube and "fundamentals" channel 6256 
The live without the YO186, again.... 6254 
Not anymore! 6243 
The very good YoYonisation! 6242 
….above and below two very clean channel. 6241 
The DHT and esoteric imaging deformation. 6228 
DHT, YO186, or??? 6228 
I had no idea how ‘different’ it is. 6175 
The Kazitsky Manufacturing and YO104, some history. 6174 
"Absolution and Eternal Refuge." 6171 
Sofia Electric Type 45 Mesh 6161 
The true association of YO186's Sounds. 5923 
All the Best from Burgundy 5923 
Cheesy tubes 5922 
Me and my DHT references… 5813 
Y0-186 in winter. 5716 
Y0-186 sounds like… 5715 
Rethinking the YO186 tube. 5684 
In My Dreams 5684 
Grunt from type 45? A ridicules comment. 5684 
Blame? 5683 
When good is not good enough. 5683 
45s, Drivers, and 45s 5683 
Hm, that was so simple after all! 5682 
How the YO186 was used. 5266 
What is old is new? 5265 
YO186 vs. type 45. 5264 
The YO186 is gone.... :-( 4813 
That sucks. 4813 
YO186 4811 
Hm, what the hell is going on? 4811 
I do not think that anybody but me would like YO186 4811 
A hallucination? 4808 
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