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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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Melquiades SET Amplifier
Macondo Acoustic 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 6502 
One-stage Milq++ and the DHT's alleged tone 6501 
DHT Milq? 6501 
The DHT journey. 6501 
DHT tone 6501 
Well, why not? 6500 
Holding the Fort 6500 
My DHT experiment: Preface 6500 
Input tube and DC heaters 6499 
Reimyo Pat 777 6499 
My DHT experiment: Observations 6495 
DHT or 300B? 6495 
300B 6495 
Talking, perception and the grounds for objectively 6495 
The Wine Via the Wine Glass 6494 
Hence the confusion 6494 
My DHT experiment: some conclusions. 6494 
Reality Reconstruction is not a functionality. 6494 
My experience with DHTs 6494 
Pigmented coloration? 6494 
Dht-dht 6494 
Dynamic viscosity? 6494 
The Pallette preamp... 6494 
If one DHT is good, two must be better? 6494 
"soul" of tubes 6494 
There is a difference... 6494 
Vibration injection? 6494 
Homework # 4334 6494 
The 01A-71A-10Y-45 chain 6494 
Old valves have more soul! 6493 
Was it soul or soil? 6493 
It was just a heading 6493 
Adjustable color: TIMBRE LOCK? 6493 
Neutral or neutral/uncoloured? 6493 
..are lacking in power, dynamics and bandwidth. 6493 
Timbre-Lock. Not quite ready for prime time. 6493 
Injection of analog dither? 6493 
Subliminal signal 6493 
The idea of analog randomanization. 6493 
Okay, what Avicena Power Generator 6493 
I hope you will be hearing about it. 6492 
Avicenna = Arabian 6492 
Persian, not Arab 6492 
The “second solution” - a major disappointment 6492 
More words to describe "sux" please 6492 
Revolution 6492 
The non-melodramatic DHT? 6492 
One-stage DHTs 6491 
One other thing 6491 
One stage 6491 
Brewing, thinking and heating 6491 
Physical characteristics of electronic devices 6491 
I see the things differently. 6491 
Don't waste time being "creative" 6491 
The audiophile attitude 6491 
The where and why of design choices 6491 
Blah blah blah 6491 
Laconic Clarity vs. Comfort vs. Nostalgia 6491 
Do I need to be hissing? 6491 
...associated with lack of neutrality and colorati... 6491 
John Broskie's Partial feedback amplifier 6491 
Randomness vs. freedom and the Homework # 4334 6490 
What is randomness? 6490 
Those least three possibilities… 6490 
Randomness and Music's Prerogative 6490 
It works, … sort of. The revolution is canceled. 6490 
Thorsten Loesch’s article about DHT SETs 6488 
A Beautiful Mind 6487 
Some summary and conclusions from the first phase. 6485 
Second phase: revising requirement for my DHT objectives. 6470 
Tubes for your DHT amp 6470 
Abandoning Milq? 6470 
Will see how it goes.... 6470 
Single-stage Milq vs. Sun Audio VT-2A3 6468 
Topology and 2A3? 6468 
6SN7-2A3 amps? 6468 
Type Casting 6468 
Sun Audio SV-2A3 6468 
6sn7-2a3 6468 
Topology vs parts 6468 
For a DHT amp, you are listening to the power supply 6468 
The vintage tubes syndrome. 6468 
Parts Frenzy 6468 
Too many new sounds 6468 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6467 
New tubes 6466 
Milq bias vs. batery bias 6466 
The batteries are a tricky thing. 6466 
Swimming the ocean at night? 6466 
New 2A3 6466 
To kill of do not kill the capacitor. 6465 
The JJ Electronic amp. 6464 
JJ 2A3 and amp 6464 
Czech tubes 6462 
Single plated vs Double plated? 6462 
Mono plate 2A3 tubes 6462 
I suggested once VT52 tube 6461 
The 800R vs. 1800R vs. 5500R 6461 
YO-186 as the output tube. 6458 
Here she is. 6457 
Some talks about the new production tubes 6453 
New 2A3 tubes 6453 
Some thoughts about one-IHT vs. multiple-DHT 6453 
The Sun Audio with 6E5P 6452 
Multistage DHT circuits 6451 
Wrong tube or wrong topology – here is the question. 6450 
Emission Labs 2A3 6450 
Some comment and questions about then 2A3 talks. 6450 
Which Chinese 2A3? 6450 
OK, for a first time I like the San Audio Kit. 6450 
The YO186 Strip Show 6450 
More on the 2A3 comparisons 6449 
It will be interesting…. 6449 
OPT impedence 6449 
More about the Plate Loading 6449 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6444 
2A3 data 6444 
The New 2A3 tubes 6444 
How many stages I need for 110dB sensitivity, smal... 6444 
How many stages and why... and who makes that 45 o... 6443 
Everything about everything. 6443 
Some very good points... and... possibly more logi... 6443 
Options, options, options.... 6443 
I think we agree overall 6443 
An IDHT with more gain? 6442 
You don't ask for much now, eh? 6442 
2A3 tube impressions 6437 
Interesting analogy 6437 
NOS 2A3 tubes versus new tubes 6437 
Hmmm, let me try this one again... 6437 
Sylvania 2A3 identification 6437 
A picture is worth a thousand micromhos? 6437 
I have more interest in the period tubes 6437 
Why NOS tubes? 6436 
The Holly Ignorance 6436 
Tube tasting 6436 
The cathodes’ flatulence? 6436 
Make mine thoriated please 6436 
Any Germans out there? 6436 
6E5P VS 6E6P 6436 
Vibrations? What do you with them? 6436 
Vibration in tubes and sounds 6436 
UX4 vs UX4ruskie 6435 
Ringing the tubes? I do not know how about that. 6435 
Tube sound and vibration 6435 
The thoughts collection about YO186? 6429 
The lights look green for the YO tube 6428 
"Melquiades" with YO-186. Something like... 6428 
My version of RE-604 and PX4 6427 
The YO186 tube sockets. 6427 
B4/B5 British made 6426 
The YO186’s sockets and prices 6426 
DHT 2A3 amplifier rectification 6425 
My attitude toward tube rectification. 6425 
Tu-be or not Tu-be, seems Tu-be the question. 6424 
It looks like DHT DSET is shaping up. 6423 
The Sylvania 2A3 NOS report 6420 
The Citizen Kane syndrome. 6420 
Sylvania 2A3 in a World without Color 6419 
Are NOS and new manufacture comparing oranges to o... 6419 
That all is incorrect in a way…. 6419 
NOS vs new 2A3 tubes 6419 
The identical operation environment? 6419 
Preferred 2A3 operating point 6419 
The sound of the 2A3 however? 6419 
Circuit modification for 2A3 optimization 6418 
How to get max power from 2A3 6418 
2A3 voltages, loads and realized output power 6418 
Optimal operation of 2A3: an experiment 6418 
Tubes, Whole Circuits, Expectations and Sound 6418 
Gain is not power. 6418 
2A3 amplifier modification & Optimization 6418 
Specialized DSET approach 6418 
6C33/2A3 DSET? 6418 
SET usable power and making the most of it 6418 
The 2A3 loading 6418 
DSET solution for EdgarHorn? 6418 
Optimizing the 2A3 6418 
How much to DSET a DSET 6418 
DSET for Titan 6418 
The Best of All Worlds 6418 
Multiamp setup 6417 
Optimizing the (NOS) 2A3... "KM-style"? 6417 
There are many opportunities, it all depends what ... 6417 
Modifying amplifer to optimize NOS 2A3 performance 6417 
Conceptualizing Melquiades DSET is done 6411 
2A3 and 400V supply 6411 
Pudding and the chicken wires 6410 
Another shot at numbers 6410 
How to cook the "uninformed" anode. 6410 
Okay, so this might work.... 6410 
The DHT Milq DSET, the prebuilt draft. 6410 
Looks good, but.... 6409 
2A3 with slightly lover filament voltage? 6409 
Less is more... usually. 6409 
Where to burn gain? how? and where to get beter st... 6408 
Stepping Out 6408 
Said to be good, but 6408 
Gain to lose 6408 
Why nothing is simple with this damn amp! 6408 
Another idea for losing gain 6408 
What's best 6408 
Options, options... 6408 
Actually, it is not so bad. 6408 
Other compromises... 6407 
Cathode vs. fixed with DHT 6406 
Is it glowing yet? 6386 
It is comming.... 6386 
The new MF channel. 6380 
I started to work on the Milq’s DHT Island. 6379 
Innerstage loading vs. OPT loading. 6371 
The intestage loading talk. 6368 
My playback feels like it is broken. 6363 
1 in 50? 6363 
Yes, it was after PP2000 6363 
Die Walküre soldering. 6362 
The post Die Walküre soldering 6361 
Another amp arond YO186 6360 
Gain? 6360 
The Unexpected problem with DHT Milq. 6360 
Simple is good 6359 
Ok, I am moving forward. 6359 
The Milq DSET is up. 6358 
My DH DSET – 2 days later. 6356 
Here is more data to reconcile. 6356 
Hm, that is interesting and unpleasant so far. 6355 
Ok, what do I want? 6355 
Let Go of Some Conceptual "Restrictions"? 6355 
The Milq DH DSET, the further thoughts in progress. 6355 
Crunching Numbers; Shaping Sound 6355 
How about the tweeter? 6354 
Tweeter Efficiency? 6354 
Safe and Sound 6354 
More mystery with tweeter but still on the subject. 6354 
Some clarifications. 6354 
How about that?!!! 6354 
Further considerations: DC-coupling. 6352 
Head Room 6352 
To kill the mandatory 13dB 6351 
DC coupling and killing 13db and driving 6e5p miller and.... 6351 
I do not think that it might be damaging… 6351 
Again with the PS 6351 
AKA J.C. Morrison’s amp but… 6349 
Parallel Universe 6349 
Melquiades HD MF DSET, Draft13. 6347 
Why I let other people build them... 6347 
Ok, it's going to right direction. 6347 
Ok, it looks already very close…. 6346 
The Loftinish-Whitish, well sort of…. 6343 
MF: the pre-final version. 6343 
Loftin-White? 6343 
Did anyone hear the PX4 amplifiers? 6343 
What Could use Improving at This Point? 6343 
The Milq’s MF front-end is done 6339 
Why I Let Other People Build Them, II 6339 
Define really quiet 6338 
Another variable of sound 6338 
Backlash? 6338 
Alternative filament supplies 6338 
I kind of faced a problem with AC 6338 
Going down the DC path 6337 
It is not about the “whole sound” but about “molec... 6337 
Molecular sound 6337 
AC-DC heater supply 6337 
The Tentlabs are $10 worth PS. 6337 
The unexpected resolution of AC vs. DC quandary. 6337 
The devil is less scared than it depicted. 6337 
Hiss or Hum 6337 
AC transformers 6337 
I have seen the Promised Land 6336 
OK, the choke noise is not a problem anymore 6336 
Ok, it is working fine but… 6335 
Divide and Conquer 6335 
The design phase is over. 6334 
The unexpected insanity! 6333 
Loading 6333 
Looking for inspiring ideas for 'universal' loadin... 6333 
A filaments Sherlock Holmes wanted. 6333 
Going the Distance 6333 
Read the f*** manual! 6333 
Agreed. 6333 
I agree 6333 
The filament transformer 6333 
Center-tap and options 6333 
Something like this…. 6333 
Avoiding "Dial-an-Amp" 6333 
The foreplay is going on. 6333 
Split balance 6332 
Further thoughts about my DH filaments 6332 
The Shuguang 2A3 tubes. 6332 
SHuguang 6332 
Going through…. 6331 
The 2.5V noise vs. 4V noise. 6330 
More about Shuguang 2A3C 6330 
Hum vs voltage 6330 
Meow about the tubes… 6330 
To Be a Content Cat 6330 
Completed! 6327 
Tradition 6327 
Absolutely beautiful! 6327 
The 'film' caps in PS 6326 
Science or religion 6326 
Mass Extinction 6326 
Electrolytics, technology and time 6326 
No more questions about PS capacitors. 6326 
Capacitor choices 6326 
Good time. Welcome back. Thanks God. 6325 
The minor day of Quartets. 6325 
Them's the Breaks 6325 
Eventually! 6324 
So Soon? 6324 
DHT MF channel and 6-ch amp: first conclusions 6324 
All Abuzz about Nothing 6323 
The wire for DC-coupling 6323 
The Dirt on DIY Backlash 6323 
DSET vs. the “better tubes”. 6323 
How to test the DH tubes properly? 6322 
Pairing up tubes for SE use 6321 
The DHT live reserve 6320 
Some interestng models 6320 
Eaten alive. 6320 
The tubey déjà vu? 6319 
The new concept of my output transformer. 6315 
The 4V takes a lead. 6311 
Listening the DH and the striped down version of M... 6308 
I kind of slowly learn what I need. 6308 
More HF from a transformer and DHT? 6306 
Since You Don't Need the Gain 6305 
Exiting the design mode? 6305 
Bye-bye the input divider on MF! 6305 
A few steps back and a gaint leap ahead. 6301 
Single-stage vs. DHT amp. 6300 
Setting up the new Playback 6299 
And the winner is… so far 6296 
If you like type 45... 6296 
Type 45... they're not all the same 6296 
Favorite Flavor? 6296 
The 45 times Meow... 6296 
The problem that I see is… 6296 
Running the 45 6296 
The 10Y...and bye bye Newton 6295 
The commentaries about everything. 6295 
Driver tube and biasing 6295 
DHT drivers 6295 
The ideas are worth trying? 6295 
A question about the polishing the things…. 6291 
The Particular Tube, I'm afraid... 6291 
Driving the 45... cathode first 6290 
ST or Globe; old or new... 6290 
Whatever sticks to the wall as an operation point ... 6290 
The attenuating crap in secondary. 6290 
Operating points and cathode current 6290 
The Burgeoning Opportunities! 6290 
Actually it is not so simple. 6290 
Resistors at the front 6289 
A minor alternation of a position 6289 
The era of enlightenment. 6286 
The devil is in the details.... 6286 
Constructing Sound 6286 
A new view on the DHT evaluation. 6285 
The “strange” YO186 6276 
The dead guy’s lessons. 6231 
2S4S and 2A3 6222 
Ho to use the YO186 6215 
YO 186 fundamental flavor 6215 
The YO-YO tube and "fundamentals" channel 6215 
The live without the YO186, again.... 6213 
Not anymore! 6202 
The very good YoYonisation! 6201 
….above and below two very clean channel. 6200 
The DHT and esoteric imaging deformation. 6187 
DHT, YO186, or??? 6187 
I had no idea how ‘different’ it is. 6134 
The Kazitsky Manufacturing and YO104, some history. 6133 
"Absolution and Eternal Refuge." 6130 
Sofia Electric Type 45 Mesh 6120 
The true association of YO186's Sounds. 5882 
All the Best from Burgundy 5882 
Cheesy tubes 5881 
Me and my DHT references… 5772 
Y0-186 in winter. 5675 
Y0-186 sounds like… 5674 
Rethinking the YO186 tube. 5643 
In My Dreams 5643 
Grunt from type 45? A ridicules comment. 5643 
Blame? 5642 
When good is not good enough. 5642 
45s, Drivers, and 45s 5642 
Hm, that was so simple after all! 5641 
How the YO186 was used. 5225 
What is old is new? 5224 
YO186 vs. type 45. 5223 
The YO186 is gone.... :-( 4772 
That sucks. 4772 
YO186 4770 
Hm, what the hell is going on? 4770 
I do not think that anybody but me would like YO186 4770 
A hallucination? 4767 
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