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Site News: 17 May 2026

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Romy The Cat's Playback
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Melquiades SET Amplifier
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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 6436 
One-stage Milq++ and the DHT's alleged tone 6435 
DHT Milq? 6435 
The DHT journey. 6435 
DHT tone 6435 
Well, why not? 6434 
Holding the Fort 6434 
My DHT experiment: Preface 6434 
Input tube and DC heaters 6433 
Reimyo Pat 777 6433 
My DHT experiment: Observations 6429 
DHT or 300B? 6429 
300B 6429 
Talking, perception and the grounds for objectively 6429 
The Wine Via the Wine Glass 6428 
Hence the confusion 6428 
My DHT experiment: some conclusions. 6428 
Reality Reconstruction is not a functionality. 6428 
My experience with DHTs 6428 
Pigmented coloration? 6428 
Dht-dht 6428 
Dynamic viscosity? 6428 
The Pallette preamp... 6428 
If one DHT is good, two must be better? 6428 
"soul" of tubes 6428 
There is a difference... 6428 
Vibration injection? 6428 
Homework # 4334 6428 
The 01A-71A-10Y-45 chain 6428 
Old valves have more soul! 6427 
Was it soul or soil? 6427 
It was just a heading 6427 
Adjustable color: TIMBRE LOCK? 6427 
Neutral or neutral/uncoloured? 6427 
..are lacking in power, dynamics and bandwidth. 6427 
Timbre-Lock. Not quite ready for prime time. 6427 
Injection of analog dither? 6427 
Subliminal signal 6427 
The idea of analog randomanization. 6427 
Okay, what Avicena Power Generator 6427 
I hope you will be hearing about it. 6426 
Avicenna = Arabian 6426 
Persian, not Arab 6426 
The “second solution” - a major disappointment 6426 
More words to describe "sux" please 6426 
Revolution 6426 
The non-melodramatic DHT? 6426 
One-stage DHTs 6425 
One other thing 6425 
One stage 6425 
Brewing, thinking and heating 6425 
Physical characteristics of electronic devices 6425 
I see the things differently. 6425 
Don't waste time being "creative" 6425 
The audiophile attitude 6425 
The where and why of design choices 6425 
Blah blah blah 6425 
Laconic Clarity vs. Comfort vs. Nostalgia 6425 
Do I need to be hissing? 6425 
...associated with lack of neutrality and colorati... 6425 
John Broskie's Partial feedback amplifier 6425 
Randomness vs. freedom and the Homework # 4334 6424 
What is randomness? 6424 
Those least three possibilities… 6424 
Randomness and Music's Prerogative 6424 
It works, … sort of. The revolution is canceled. 6424 
Thorsten Loesch’s article about DHT SETs 6422 
A Beautiful Mind 6421 
Some summary and conclusions from the first phase. 6419 
Second phase: revising requirement for my DHT objectives. 6404 
Tubes for your DHT amp 6404 
Abandoning Milq? 6404 
Will see how it goes.... 6404 
Single-stage Milq vs. Sun Audio VT-2A3 6402 
Topology and 2A3? 6402 
6SN7-2A3 amps? 6402 
Type Casting 6402 
Sun Audio SV-2A3 6402 
6sn7-2a3 6402 
Topology vs parts 6402 
For a DHT amp, you are listening to the power supply 6402 
The vintage tubes syndrome. 6402 
Parts Frenzy 6402 
Too many new sounds 6402 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6401 
New tubes 6400 
Milq bias vs. batery bias 6400 
The batteries are a tricky thing. 6400 
Swimming the ocean at night? 6400 
New 2A3 6400 
To kill of do not kill the capacitor. 6399 
The JJ Electronic amp. 6398 
JJ 2A3 and amp 6398 
Czech tubes 6396 
Single plated vs Double plated? 6396 
Mono plate 2A3 tubes 6396 
I suggested once VT52 tube 6395 
The 800R vs. 1800R vs. 5500R 6395 
YO-186 as the output tube. 6392 
Here she is. 6391 
Some talks about the new production tubes 6387 
New 2A3 tubes 6387 
Some thoughts about one-IHT vs. multiple-DHT 6387 
The Sun Audio with 6E5P 6386 
Multistage DHT circuits 6385 
Wrong tube or wrong topology – here is the question. 6384 
Emission Labs 2A3 6384 
Some comment and questions about then 2A3 talks. 6384 
Which Chinese 2A3? 6384 
OK, for a first time I like the San Audio Kit. 6384 
The YO186 Strip Show 6384 
More on the 2A3 comparisons 6383 
It will be interesting…. 6383 
OPT impedence 6383 
More about the Plate Loading 6383 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6378 
2A3 data 6378 
The New 2A3 tubes 6378 
How many stages I need for 110dB sensitivity, smal... 6378 
How many stages and why... and who makes that 45 o... 6377 
Everything about everything. 6377 
Some very good points... and... possibly more logi... 6377 
Options, options, options.... 6377 
I think we agree overall 6377 
An IDHT with more gain? 6376 
You don't ask for much now, eh? 6376 
2A3 tube impressions 6371 
Interesting analogy 6371 
NOS 2A3 tubes versus new tubes 6371 
Hmmm, let me try this one again... 6371 
Sylvania 2A3 identification 6371 
A picture is worth a thousand micromhos? 6371 
I have more interest in the period tubes 6371 
Why NOS tubes? 6370 
The Holly Ignorance 6370 
Tube tasting 6370 
The cathodes’ flatulence? 6370 
Make mine thoriated please 6370 
Any Germans out there? 6370 
6E5P VS 6E6P 6370 
Vibrations? What do you with them? 6370 
Vibration in tubes and sounds 6370 
UX4 vs UX4ruskie 6369 
Ringing the tubes? I do not know how about that. 6369 
Tube sound and vibration 6369 
The thoughts collection about YO186? 6363 
The lights look green for the YO tube 6362 
"Melquiades" with YO-186. Something like... 6362 
My version of RE-604 and PX4 6361 
The YO186 tube sockets. 6361 
B4/B5 British made 6360 
The YO186’s sockets and prices 6360 
DHT 2A3 amplifier rectification 6359 
My attitude toward tube rectification. 6359 
Tu-be or not Tu-be, seems Tu-be the question. 6358 
It looks like DHT DSET is shaping up. 6357 
The Sylvania 2A3 NOS report 6354 
The Citizen Kane syndrome. 6354 
Sylvania 2A3 in a World without Color 6353 
Are NOS and new manufacture comparing oranges to o... 6353 
That all is incorrect in a way…. 6353 
NOS vs new 2A3 tubes 6353 
The identical operation environment? 6353 
Preferred 2A3 operating point 6353 
The sound of the 2A3 however? 6353 
Circuit modification for 2A3 optimization 6352 
How to get max power from 2A3 6352 
2A3 voltages, loads and realized output power 6352 
Optimal operation of 2A3: an experiment 6352 
Tubes, Whole Circuits, Expectations and Sound 6352 
Gain is not power. 6352 
2A3 amplifier modification & Optimization 6352 
Specialized DSET approach 6352 
6C33/2A3 DSET? 6352 
SET usable power and making the most of it 6352 
The 2A3 loading 6352 
DSET solution for EdgarHorn? 6352 
Optimizing the 2A3 6352 
How much to DSET a DSET 6352 
DSET for Titan 6352 
The Best of All Worlds 6352 
Multiamp setup 6351 
Optimizing the (NOS) 2A3... "KM-style"? 6351 
There are many opportunities, it all depends what ... 6351 
Modifying amplifer to optimize NOS 2A3 performance 6351 
Conceptualizing Melquiades DSET is done 6345 
2A3 and 400V supply 6345 
Pudding and the chicken wires 6344 
Another shot at numbers 6344 
How to cook the "uninformed" anode. 6344 
Okay, so this might work.... 6344 
The DHT Milq DSET, the prebuilt draft. 6344 
Looks good, but.... 6343 
2A3 with slightly lover filament voltage? 6343 
Less is more... usually. 6343 
Where to burn gain? how? and where to get beter st... 6342 
Stepping Out 6342 
Said to be good, but 6342 
Gain to lose 6342 
Why nothing is simple with this damn amp! 6342 
Another idea for losing gain 6342 
What's best 6342 
Options, options... 6342 
Actually, it is not so bad. 6342 
Other compromises... 6341 
Cathode vs. fixed with DHT 6340 
Is it glowing yet? 6320 
It is comming.... 6320 
The new MF channel. 6314 
I started to work on the Milq’s DHT Island. 6313 
Innerstage loading vs. OPT loading. 6305 
The intestage loading talk. 6302 
My playback feels like it is broken. 6297 
1 in 50? 6297 
Yes, it was after PP2000 6297 
Die Walküre soldering. 6296 
The post Die Walküre soldering 6295 
Another amp arond YO186 6294 
Gain? 6294 
The Unexpected problem with DHT Milq. 6294 
Simple is good 6293 
Ok, I am moving forward. 6293 
The Milq DSET is up. 6292 
My DH DSET – 2 days later. 6290 
Here is more data to reconcile. 6290 
Hm, that is interesting and unpleasant so far. 6289 
Ok, what do I want? 6289 
Let Go of Some Conceptual "Restrictions"? 6289 
The Milq DH DSET, the further thoughts in progress. 6289 
Crunching Numbers; Shaping Sound 6289 
How about the tweeter? 6288 
Tweeter Efficiency? 6288 
Safe and Sound 6288 
More mystery with tweeter but still on the subject. 6288 
Some clarifications. 6288 
How about that?!!! 6288 
Further considerations: DC-coupling. 6286 
Head Room 6286 
To kill the mandatory 13dB 6285 
DC coupling and killing 13db and driving 6e5p miller and.... 6285 
I do not think that it might be damaging… 6285 
Again with the PS 6285 
AKA J.C. Morrison’s amp but… 6283 
Parallel Universe 6283 
Melquiades HD MF DSET, Draft13. 6281 
Why I let other people build them... 6281 
Ok, it's going to right direction. 6281 
Ok, it looks already very close…. 6280 
The Loftinish-Whitish, well sort of…. 6277 
MF: the pre-final version. 6277 
Loftin-White? 6277 
Did anyone hear the PX4 amplifiers? 6277 
What Could use Improving at This Point? 6277 
The Milq’s MF front-end is done 6273 
Why I Let Other People Build Them, II 6273 
Define really quiet 6272 
Another variable of sound 6272 
Backlash? 6272 
Alternative filament supplies 6272 
I kind of faced a problem with AC 6272 
Going down the DC path 6271 
It is not about the “whole sound” but about “molec... 6271 
Molecular sound 6271 
AC-DC heater supply 6271 
The Tentlabs are $10 worth PS. 6271 
The unexpected resolution of AC vs. DC quandary. 6271 
The devil is less scared than it depicted. 6271 
Hiss or Hum 6271 
AC transformers 6271 
I have seen the Promised Land 6270 
OK, the choke noise is not a problem anymore 6270 
Ok, it is working fine but… 6269 
Divide and Conquer 6269 
The design phase is over. 6268 
The unexpected insanity! 6267 
Loading 6267 
Looking for inspiring ideas for 'universal' loadin... 6267 
A filaments Sherlock Holmes wanted. 6267 
Going the Distance 6267 
Read the f*** manual! 6267 
Agreed. 6267 
I agree 6267 
The filament transformer 6267 
Center-tap and options 6267 
Something like this…. 6267 
Avoiding "Dial-an-Amp" 6267 
The foreplay is going on. 6267 
Split balance 6266 
Further thoughts about my DH filaments 6266 
The Shuguang 2A3 tubes. 6266 
SHuguang 6266 
Going through…. 6265 
The 2.5V noise vs. 4V noise. 6264 
More about Shuguang 2A3C 6264 
Hum vs voltage 6264 
Meow about the tubes… 6264 
To Be a Content Cat 6264 
Completed! 6261 
Tradition 6261 
Absolutely beautiful! 6261 
The 'film' caps in PS 6260 
Science or religion 6260 
Mass Extinction 6260 
Electrolytics, technology and time 6260 
No more questions about PS capacitors. 6260 
Capacitor choices 6260 
Good time. Welcome back. Thanks God. 6259 
The minor day of Quartets. 6259 
Them's the Breaks 6259 
Eventually! 6258 
So Soon? 6258 
DHT MF channel and 6-ch amp: first conclusions 6258 
All Abuzz about Nothing 6257 
The wire for DC-coupling 6257 
The Dirt on DIY Backlash 6257 
DSET vs. the “better tubes”. 6257 
How to test the DH tubes properly? 6256 
Pairing up tubes for SE use 6255 
The DHT live reserve 6254 
Some interestng models 6254 
Eaten alive. 6254 
The tubey déjà vu? 6253 
The new concept of my output transformer. 6249 
The 4V takes a lead. 6245 
Listening the DH and the striped down version of M... 6242 
I kind of slowly learn what I need. 6242 
More HF from a transformer and DHT? 6240 
Since You Don't Need the Gain 6239 
Exiting the design mode? 6239 
Bye-bye the input divider on MF! 6239 
A few steps back and a gaint leap ahead. 6235 
Single-stage vs. DHT amp. 6234 
Setting up the new Playback 6233 
And the winner is… so far 6230 
If you like type 45... 6230 
Type 45... they're not all the same 6230 
Favorite Flavor? 6230 
The 45 times Meow... 6230 
The problem that I see is… 6230 
Running the 45 6230 
The 10Y...and bye bye Newton 6229 
The commentaries about everything. 6229 
Driver tube and biasing 6229 
DHT drivers 6229 
The ideas are worth trying? 6229 
A question about the polishing the things…. 6225 
The Particular Tube, I'm afraid... 6225 
Driving the 45... cathode first 6224 
ST or Globe; old or new... 6224 
Whatever sticks to the wall as an operation point ... 6224 
The attenuating crap in secondary. 6224 
Operating points and cathode current 6224 
The Burgeoning Opportunities! 6224 
Actually it is not so simple. 6224 
Resistors at the front 6223 
A minor alternation of a position 6223 
The era of enlightenment. 6220 
The devil is in the details.... 6220 
Constructing Sound 6220 
A new view on the DHT evaluation. 6219 
The “strange” YO186 6210 
The dead guy’s lessons. 6165 
2S4S and 2A3 6156 
Ho to use the YO186 6149 
YO 186 fundamental flavor 6149 
The YO-YO tube and "fundamentals" channel 6149 
The live without the YO186, again.... 6147 
Not anymore! 6136 
The very good YoYonisation! 6135 
….above and below two very clean channel. 6134 
The DHT and esoteric imaging deformation. 6121 
DHT, YO186, or??? 6121 
I had no idea how ‘different’ it is. 6068 
The Kazitsky Manufacturing and YO104, some history. 6067 
"Absolution and Eternal Refuge." 6064 
Sofia Electric Type 45 Mesh 6054 
The true association of YO186's Sounds. 5816 
All the Best from Burgundy 5816 
Cheesy tubes 5815 
Me and my DHT references… 5706 
Y0-186 in winter. 5609 
Y0-186 sounds like… 5608 
Rethinking the YO186 tube. 5577 
In My Dreams 5577 
Grunt from type 45? A ridicules comment. 5577 
Blame? 5576 
When good is not good enough. 5576 
45s, Drivers, and 45s 5576 
Hm, that was so simple after all! 5575 
How the YO186 was used. 5159 
What is old is new? 5158 
YO186 vs. type 45. 5157 
The YO186 is gone.... :-( 4706 
That sucks. 4706 
YO186 4704 
Hm, what the hell is going on? 4704 
I do not think that anybody but me would like YO186 4704 
A hallucination? 4701 
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