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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"
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Melquiades SET Amplifier
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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 6562 
One-stage Milq++ and the DHT's alleged tone 6561 
DHT Milq? 6561 
The DHT journey. 6561 
DHT tone 6561 
Well, why not? 6560 
Holding the Fort 6560 
My DHT experiment: Preface 6560 
Input tube and DC heaters 6559 
Reimyo Pat 777 6559 
My DHT experiment: Observations 6555 
DHT or 300B? 6555 
300B 6555 
Talking, perception and the grounds for objectively 6555 
The Wine Via the Wine Glass 6554 
Hence the confusion 6554 
My DHT experiment: some conclusions. 6554 
Reality Reconstruction is not a functionality. 6554 
My experience with DHTs 6554 
Pigmented coloration? 6554 
Dht-dht 6554 
Dynamic viscosity? 6554 
The Pallette preamp... 6554 
If one DHT is good, two must be better? 6554 
"soul" of tubes 6554 
There is a difference... 6554 
Vibration injection? 6554 
Homework # 4334 6554 
The 01A-71A-10Y-45 chain 6554 
Old valves have more soul! 6553 
Was it soul or soil? 6553 
It was just a heading 6553 
Adjustable color: TIMBRE LOCK? 6553 
Neutral or neutral/uncoloured? 6553 
..are lacking in power, dynamics and bandwidth. 6553 
Timbre-Lock. Not quite ready for prime time. 6553 
Injection of analog dither? 6553 
Subliminal signal 6553 
The idea of analog randomanization. 6553 
Okay, what Avicena Power Generator 6553 
I hope you will be hearing about it. 6552 
Avicenna = Arabian 6552 
Persian, not Arab 6552 
The “second solution” - a major disappointment 6552 
More words to describe "sux" please 6552 
Revolution 6552 
The non-melodramatic DHT? 6552 
One-stage DHTs 6551 
One other thing 6551 
One stage 6551 
Brewing, thinking and heating 6551 
Physical characteristics of electronic devices 6551 
I see the things differently. 6551 
Don't waste time being "creative" 6551 
The audiophile attitude 6551 
The where and why of design choices 6551 
Blah blah blah 6551 
Laconic Clarity vs. Comfort vs. Nostalgia 6551 
Do I need to be hissing? 6551 
...associated with lack of neutrality and colorati... 6551 
John Broskie's Partial feedback amplifier 6551 
Randomness vs. freedom and the Homework # 4334 6550 
What is randomness? 6550 
Those least three possibilities… 6550 
Randomness and Music's Prerogative 6550 
It works, … sort of. The revolution is canceled. 6550 
Thorsten Loesch’s article about DHT SETs 6548 
A Beautiful Mind 6547 
Some summary and conclusions from the first phase. 6545 
Second phase: revising requirement for my DHT objectives. 6530 
Tubes for your DHT amp 6530 
Abandoning Milq? 6530 
Will see how it goes.... 6530 
Single-stage Milq vs. Sun Audio VT-2A3 6528 
Topology and 2A3? 6528 
6SN7-2A3 amps? 6528 
Type Casting 6528 
Sun Audio SV-2A3 6528 
6sn7-2a3 6528 
Topology vs parts 6528 
For a DHT amp, you are listening to the power supply 6528 
The vintage tubes syndrome. 6528 
Parts Frenzy 6528 
Too many new sounds 6528 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6527 
New tubes 6526 
Milq bias vs. batery bias 6526 
The batteries are a tricky thing. 6526 
Swimming the ocean at night? 6526 
New 2A3 6526 
To kill of do not kill the capacitor. 6525 
The JJ Electronic amp. 6524 
JJ 2A3 and amp 6524 
Czech tubes 6522 
Single plated vs Double plated? 6522 
Mono plate 2A3 tubes 6522 
I suggested once VT52 tube 6521 
The 800R vs. 1800R vs. 5500R 6521 
YO-186 as the output tube. 6518 
Here she is. 6517 
Some talks about the new production tubes 6513 
New 2A3 tubes 6513 
Some thoughts about one-IHT vs. multiple-DHT 6513 
The Sun Audio with 6E5P 6512 
Multistage DHT circuits 6511 
Wrong tube or wrong topology – here is the question. 6510 
Emission Labs 2A3 6510 
Some comment and questions about then 2A3 talks. 6510 
Which Chinese 2A3? 6510 
OK, for a first time I like the San Audio Kit. 6510 
The YO186 Strip Show 6510 
More on the 2A3 comparisons 6509 
It will be interesting…. 6509 
OPT impedence 6509 
More about the Plate Loading 6509 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6504 
2A3 data 6504 
The New 2A3 tubes 6504 
How many stages I need for 110dB sensitivity, smal... 6504 
How many stages and why... and who makes that 45 o... 6503 
Everything about everything. 6503 
Some very good points... and... possibly more logi... 6503 
Options, options, options.... 6503 
I think we agree overall 6503 
An IDHT with more gain? 6502 
You don't ask for much now, eh? 6502 
2A3 tube impressions 6497 
Interesting analogy 6497 
NOS 2A3 tubes versus new tubes 6497 
Hmmm, let me try this one again... 6497 
Sylvania 2A3 identification 6497 
A picture is worth a thousand micromhos? 6497 
I have more interest in the period tubes 6497 
Why NOS tubes? 6496 
The Holly Ignorance 6496 
Tube tasting 6496 
The cathodes’ flatulence? 6496 
Make mine thoriated please 6496 
Any Germans out there? 6496 
6E5P VS 6E6P 6496 
Vibrations? What do you with them? 6496 
Vibration in tubes and sounds 6496 
UX4 vs UX4ruskie 6495 
Ringing the tubes? I do not know how about that. 6495 
Tube sound and vibration 6495 
The thoughts collection about YO186? 6489 
The lights look green for the YO tube 6488 
"Melquiades" with YO-186. Something like... 6488 
My version of RE-604 and PX4 6487 
The YO186 tube sockets. 6487 
B4/B5 British made 6486 
The YO186’s sockets and prices 6486 
DHT 2A3 amplifier rectification 6485 
My attitude toward tube rectification. 6485 
Tu-be or not Tu-be, seems Tu-be the question. 6484 
It looks like DHT DSET is shaping up. 6483 
The Sylvania 2A3 NOS report 6480 
The Citizen Kane syndrome. 6480 
Sylvania 2A3 in a World without Color 6479 
Are NOS and new manufacture comparing oranges to o... 6479 
That all is incorrect in a way…. 6479 
NOS vs new 2A3 tubes 6479 
The identical operation environment? 6479 
Preferred 2A3 operating point 6479 
The sound of the 2A3 however? 6479 
Circuit modification for 2A3 optimization 6478 
How to get max power from 2A3 6478 
2A3 voltages, loads and realized output power 6478 
Optimal operation of 2A3: an experiment 6478 
Tubes, Whole Circuits, Expectations and Sound 6478 
Gain is not power. 6478 
2A3 amplifier modification & Optimization 6478 
Specialized DSET approach 6478 
6C33/2A3 DSET? 6478 
SET usable power and making the most of it 6478 
The 2A3 loading 6478 
DSET solution for EdgarHorn? 6478 
Optimizing the 2A3 6478 
How much to DSET a DSET 6478 
DSET for Titan 6478 
The Best of All Worlds 6478 
Multiamp setup 6477 
Optimizing the (NOS) 2A3... "KM-style"? 6477 
There are many opportunities, it all depends what ... 6477 
Modifying amplifer to optimize NOS 2A3 performance 6477 
Conceptualizing Melquiades DSET is done 6471 
2A3 and 400V supply 6471 
Pudding and the chicken wires 6470 
Another shot at numbers 6470 
How to cook the "uninformed" anode. 6470 
Okay, so this might work.... 6470 
The DHT Milq DSET, the prebuilt draft. 6470 
Looks good, but.... 6469 
2A3 with slightly lover filament voltage? 6469 
Less is more... usually. 6469 
Where to burn gain? how? and where to get beter st... 6468 
Stepping Out 6468 
Said to be good, but 6468 
Gain to lose 6468 
Why nothing is simple with this damn amp! 6468 
Another idea for losing gain 6468 
What's best 6468 
Options, options... 6468 
Actually, it is not so bad. 6468 
Other compromises... 6467 
Cathode vs. fixed with DHT 6466 
Is it glowing yet? 6446 
It is comming.... 6446 
The new MF channel. 6440 
I started to work on the Milq’s DHT Island. 6439 
Innerstage loading vs. OPT loading. 6431 
The intestage loading talk. 6428 
My playback feels like it is broken. 6423 
1 in 50? 6423 
Yes, it was after PP2000 6423 
Die Walküre soldering. 6422 
The post Die Walküre soldering 6421 
Another amp arond YO186 6420 
Gain? 6420 
The Unexpected problem with DHT Milq. 6420 
Simple is good 6419 
Ok, I am moving forward. 6419 
The Milq DSET is up. 6418 
My DH DSET – 2 days later. 6416 
Here is more data to reconcile. 6416 
Hm, that is interesting and unpleasant so far. 6415 
Ok, what do I want? 6415 
Let Go of Some Conceptual "Restrictions"? 6415 
The Milq DH DSET, the further thoughts in progress. 6415 
Crunching Numbers; Shaping Sound 6415 
How about the tweeter? 6414 
Tweeter Efficiency? 6414 
Safe and Sound 6414 
More mystery with tweeter but still on the subject. 6414 
Some clarifications. 6414 
How about that?!!! 6414 
Further considerations: DC-coupling. 6412 
Head Room 6412 
To kill the mandatory 13dB 6411 
DC coupling and killing 13db and driving 6e5p miller and.... 6411 
I do not think that it might be damaging… 6411 
Again with the PS 6411 
AKA J.C. Morrison’s amp but… 6409 
Parallel Universe 6409 
Melquiades HD MF DSET, Draft13. 6407 
Why I let other people build them... 6407 
Ok, it's going to right direction. 6407 
Ok, it looks already very close…. 6406 
The Loftinish-Whitish, well sort of…. 6403 
MF: the pre-final version. 6403 
Loftin-White? 6403 
Did anyone hear the PX4 amplifiers? 6403 
What Could use Improving at This Point? 6403 
The Milq’s MF front-end is done 6399 
Why I Let Other People Build Them, II 6399 
Define really quiet 6398 
Another variable of sound 6398 
Backlash? 6398 
Alternative filament supplies 6398 
I kind of faced a problem with AC 6398 
Going down the DC path 6397 
It is not about the “whole sound” but about “molec... 6397 
Molecular sound 6397 
AC-DC heater supply 6397 
The Tentlabs are $10 worth PS. 6397 
The unexpected resolution of AC vs. DC quandary. 6397 
The devil is less scared than it depicted. 6397 
Hiss or Hum 6397 
AC transformers 6397 
I have seen the Promised Land 6396 
OK, the choke noise is not a problem anymore 6396 
Ok, it is working fine but… 6395 
Divide and Conquer 6395 
The design phase is over. 6394 
The unexpected insanity! 6393 
Loading 6393 
Looking for inspiring ideas for 'universal' loadin... 6393 
A filaments Sherlock Holmes wanted. 6393 
Going the Distance 6393 
Read the f*** manual! 6393 
Agreed. 6393 
I agree 6393 
The filament transformer 6393 
Center-tap and options 6393 
Something like this…. 6393 
Avoiding "Dial-an-Amp" 6393 
The foreplay is going on. 6393 
Split balance 6392 
Further thoughts about my DH filaments 6392 
The Shuguang 2A3 tubes. 6392 
SHuguang 6392 
Going through…. 6391 
The 2.5V noise vs. 4V noise. 6390 
More about Shuguang 2A3C 6390 
Hum vs voltage 6390 
Meow about the tubes… 6390 
To Be a Content Cat 6390 
Completed! 6387 
Tradition 6387 
Absolutely beautiful! 6387 
The 'film' caps in PS 6386 
Science or religion 6386 
Mass Extinction 6386 
Electrolytics, technology and time 6386 
No more questions about PS capacitors. 6386 
Capacitor choices 6386 
Good time. Welcome back. Thanks God. 6385 
The minor day of Quartets. 6385 
Them's the Breaks 6385 
Eventually! 6384 
So Soon? 6384 
DHT MF channel and 6-ch amp: first conclusions 6384 
All Abuzz about Nothing 6383 
The wire for DC-coupling 6383 
The Dirt on DIY Backlash 6383 
DSET vs. the “better tubes”. 6383 
How to test the DH tubes properly? 6382 
Pairing up tubes for SE use 6381 
The DHT live reserve 6380 
Some interestng models 6380 
Eaten alive. 6380 
The tubey déjà vu? 6379 
The new concept of my output transformer. 6375 
The 4V takes a lead. 6371 
Listening the DH and the striped down version of M... 6368 
I kind of slowly learn what I need. 6368 
More HF from a transformer and DHT? 6366 
Since You Don't Need the Gain 6365 
Exiting the design mode? 6365 
Bye-bye the input divider on MF! 6365 
A few steps back and a gaint leap ahead. 6361 
Single-stage vs. DHT amp. 6360 
Setting up the new Playback 6359 
And the winner is… so far 6356 
If you like type 45... 6356 
Type 45... they're not all the same 6356 
Favorite Flavor? 6356 
The 45 times Meow... 6356 
The problem that I see is… 6356 
Running the 45 6356 
The 10Y...and bye bye Newton 6355 
The commentaries about everything. 6355 
Driver tube and biasing 6355 
DHT drivers 6355 
The ideas are worth trying? 6355 
A question about the polishing the things…. 6351 
The Particular Tube, I'm afraid... 6351 
Driving the 45... cathode first 6350 
ST or Globe; old or new... 6350 
Whatever sticks to the wall as an operation point ... 6350 
The attenuating crap in secondary. 6350 
Operating points and cathode current 6350 
The Burgeoning Opportunities! 6350 
Actually it is not so simple. 6350 
Resistors at the front 6349 
A minor alternation of a position 6349 
The era of enlightenment. 6346 
The devil is in the details.... 6346 
Constructing Sound 6346 
A new view on the DHT evaluation. 6345 
The “strange” YO186 6336 
The dead guy’s lessons. 6291 
2S4S and 2A3 6282 
Ho to use the YO186 6275 
YO 186 fundamental flavor 6275 
The YO-YO tube and "fundamentals" channel 6275 
The live without the YO186, again.... 6273 
Not anymore! 6262 
The very good YoYonisation! 6261 
….above and below two very clean channel. 6260 
The DHT and esoteric imaging deformation. 6247 
DHT, YO186, or??? 6247 
I had no idea how ‘different’ it is. 6194 
The Kazitsky Manufacturing and YO104, some history. 6193 
"Absolution and Eternal Refuge." 6190 
Sofia Electric Type 45 Mesh 6180 
The true association of YO186's Sounds. 5942 
All the Best from Burgundy 5942 
Cheesy tubes 5941 
Me and my DHT references… 5832 
Y0-186 in winter. 5735 
Y0-186 sounds like… 5734 
Rethinking the YO186 tube. 5703 
In My Dreams 5703 
Grunt from type 45? A ridicules comment. 5703 
Blame? 5702 
When good is not good enough. 5702 
45s, Drivers, and 45s 5702 
Hm, that was so simple after all! 5701 
How the YO186 was used. 5285 
What is old is new? 5284 
YO186 vs. type 45. 5283 
The YO186 is gone.... :-( 4832 
That sucks. 4832 
YO186 4830 
Hm, what the hell is going on? 4830 
I do not think that anybody but me would like YO186 4830 
A hallucination? 4827 
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