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Site News: 17 May 2026

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Romy The Cat's Playback
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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 6416 
One-stage Milq++ and the DHT's alleged tone 6415 
DHT Milq? 6415 
The DHT journey. 6415 
DHT tone 6415 
Well, why not? 6414 
Holding the Fort 6414 
My DHT experiment: Preface 6414 
Input tube and DC heaters 6413 
Reimyo Pat 777 6413 
My DHT experiment: Observations 6409 
DHT or 300B? 6409 
300B 6409 
Talking, perception and the grounds for objectively 6409 
The Wine Via the Wine Glass 6408 
Hence the confusion 6408 
My DHT experiment: some conclusions. 6408 
Reality Reconstruction is not a functionality. 6408 
My experience with DHTs 6408 
Pigmented coloration? 6408 
Dht-dht 6408 
Dynamic viscosity? 6408 
The Pallette preamp... 6408 
If one DHT is good, two must be better? 6408 
"soul" of tubes 6408 
There is a difference... 6408 
Vibration injection? 6408 
Homework # 4334 6408 
The 01A-71A-10Y-45 chain 6408 
Old valves have more soul! 6407 
Was it soul or soil? 6407 
It was just a heading 6407 
Adjustable color: TIMBRE LOCK? 6407 
Neutral or neutral/uncoloured? 6407 
..are lacking in power, dynamics and bandwidth. 6407 
Timbre-Lock. Not quite ready for prime time. 6407 
Injection of analog dither? 6407 
Subliminal signal 6407 
The idea of analog randomanization. 6407 
Okay, what Avicena Power Generator 6407 
I hope you will be hearing about it. 6406 
Avicenna = Arabian 6406 
Persian, not Arab 6406 
The “second solution” - a major disappointment 6406 
More words to describe "sux" please 6406 
Revolution 6406 
The non-melodramatic DHT? 6406 
One-stage DHTs 6405 
One other thing 6405 
One stage 6405 
Brewing, thinking and heating 6405 
Physical characteristics of electronic devices 6405 
I see the things differently. 6405 
Don't waste time being "creative" 6405 
The audiophile attitude 6405 
The where and why of design choices 6405 
Blah blah blah 6405 
Laconic Clarity vs. Comfort vs. Nostalgia 6405 
Do I need to be hissing? 6405 
...associated with lack of neutrality and colorati... 6405 
John Broskie's Partial feedback amplifier 6405 
Randomness vs. freedom and the Homework # 4334 6404 
What is randomness? 6404 
Those least three possibilities… 6404 
Randomness and Music's Prerogative 6404 
It works, … sort of. The revolution is canceled. 6404 
Thorsten Loesch’s article about DHT SETs 6402 
A Beautiful Mind 6401 
Some summary and conclusions from the first phase. 6399 
Second phase: revising requirement for my DHT objectives. 6384 
Tubes for your DHT amp 6384 
Abandoning Milq? 6384 
Will see how it goes.... 6384 
Single-stage Milq vs. Sun Audio VT-2A3 6382 
Topology and 2A3? 6382 
6SN7-2A3 amps? 6382 
Type Casting 6382 
Sun Audio SV-2A3 6382 
6sn7-2a3 6382 
Topology vs parts 6382 
For a DHT amp, you are listening to the power supply 6382 
The vintage tubes syndrome. 6382 
Parts Frenzy 6382 
Too many new sounds 6382 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6381 
New tubes 6380 
Milq bias vs. batery bias 6380 
The batteries are a tricky thing. 6380 
Swimming the ocean at night? 6380 
New 2A3 6380 
To kill of do not kill the capacitor. 6379 
The JJ Electronic amp. 6378 
JJ 2A3 and amp 6378 
Czech tubes 6376 
Single plated vs Double plated? 6376 
Mono plate 2A3 tubes 6376 
I suggested once VT52 tube 6375 
The 800R vs. 1800R vs. 5500R 6375 
YO-186 as the output tube. 6372 
Here she is. 6371 
Some talks about the new production tubes 6367 
New 2A3 tubes 6367 
Some thoughts about one-IHT vs. multiple-DHT 6367 
The Sun Audio with 6E5P 6366 
Multistage DHT circuits 6365 
Wrong tube or wrong topology – here is the question. 6364 
Emission Labs 2A3 6364 
Some comment and questions about then 2A3 talks. 6364 
Which Chinese 2A3? 6364 
OK, for a first time I like the San Audio Kit. 6364 
The YO186 Strip Show 6364 
More on the 2A3 comparisons 6363 
It will be interesting…. 6363 
OPT impedence 6363 
More about the Plate Loading 6363 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6358 
2A3 data 6358 
The New 2A3 tubes 6358 
How many stages I need for 110dB sensitivity, smal... 6358 
How many stages and why... and who makes that 45 o... 6357 
Everything about everything. 6357 
Some very good points... and... possibly more logi... 6357 
Options, options, options.... 6357 
I think we agree overall 6357 
An IDHT with more gain? 6356 
You don't ask for much now, eh? 6356 
2A3 tube impressions 6351 
Interesting analogy 6351 
NOS 2A3 tubes versus new tubes 6351 
Hmmm, let me try this one again... 6351 
Sylvania 2A3 identification 6351 
A picture is worth a thousand micromhos? 6351 
I have more interest in the period tubes 6351 
Why NOS tubes? 6350 
The Holly Ignorance 6350 
Tube tasting 6350 
The cathodes’ flatulence? 6350 
Make mine thoriated please 6350 
Any Germans out there? 6350 
6E5P VS 6E6P 6350 
Vibrations? What do you with them? 6350 
Vibration in tubes and sounds 6350 
UX4 vs UX4ruskie 6349 
Ringing the tubes? I do not know how about that. 6349 
Tube sound and vibration 6349 
The thoughts collection about YO186? 6343 
The lights look green for the YO tube 6342 
"Melquiades" with YO-186. Something like... 6342 
My version of RE-604 and PX4 6341 
The YO186 tube sockets. 6341 
B4/B5 British made 6340 
The YO186’s sockets and prices 6340 
DHT 2A3 amplifier rectification 6339 
My attitude toward tube rectification. 6339 
Tu-be or not Tu-be, seems Tu-be the question. 6338 
It looks like DHT DSET is shaping up. 6337 
The Sylvania 2A3 NOS report 6334 
The Citizen Kane syndrome. 6334 
Sylvania 2A3 in a World without Color 6333 
Are NOS and new manufacture comparing oranges to o... 6333 
That all is incorrect in a way…. 6333 
NOS vs new 2A3 tubes 6333 
The identical operation environment? 6333 
Preferred 2A3 operating point 6333 
The sound of the 2A3 however? 6333 
Circuit modification for 2A3 optimization 6332 
How to get max power from 2A3 6332 
2A3 voltages, loads and realized output power 6332 
Optimal operation of 2A3: an experiment 6332 
Tubes, Whole Circuits, Expectations and Sound 6332 
Gain is not power. 6332 
2A3 amplifier modification & Optimization 6332 
Specialized DSET approach 6332 
6C33/2A3 DSET? 6332 
SET usable power and making the most of it 6332 
The 2A3 loading 6332 
DSET solution for EdgarHorn? 6332 
Optimizing the 2A3 6332 
How much to DSET a DSET 6332 
DSET for Titan 6332 
The Best of All Worlds 6332 
Multiamp setup 6331 
Optimizing the (NOS) 2A3... "KM-style"? 6331 
There are many opportunities, it all depends what ... 6331 
Modifying amplifer to optimize NOS 2A3 performance 6331 
Conceptualizing Melquiades DSET is done 6325 
2A3 and 400V supply 6325 
Pudding and the chicken wires 6324 
Another shot at numbers 6324 
How to cook the "uninformed" anode. 6324 
Okay, so this might work.... 6324 
The DHT Milq DSET, the prebuilt draft. 6324 
Looks good, but.... 6323 
2A3 with slightly lover filament voltage? 6323 
Less is more... usually. 6323 
Where to burn gain? how? and where to get beter st... 6322 
Stepping Out 6322 
Said to be good, but 6322 
Gain to lose 6322 
Why nothing is simple with this damn amp! 6322 
Another idea for losing gain 6322 
What's best 6322 
Options, options... 6322 
Actually, it is not so bad. 6322 
Other compromises... 6321 
Cathode vs. fixed with DHT 6320 
Is it glowing yet? 6300 
It is comming.... 6300 
The new MF channel. 6294 
I started to work on the Milq’s DHT Island. 6293 
Innerstage loading vs. OPT loading. 6285 
The intestage loading talk. 6282 
My playback feels like it is broken. 6277 
1 in 50? 6277 
Yes, it was after PP2000 6277 
Die Walküre soldering. 6276 
The post Die Walküre soldering 6275 
Another amp arond YO186 6274 
Gain? 6274 
The Unexpected problem with DHT Milq. 6274 
Simple is good 6273 
Ok, I am moving forward. 6273 
The Milq DSET is up. 6272 
My DH DSET – 2 days later. 6270 
Here is more data to reconcile. 6270 
Hm, that is interesting and unpleasant so far. 6269 
Ok, what do I want? 6269 
Let Go of Some Conceptual "Restrictions"? 6269 
The Milq DH DSET, the further thoughts in progress. 6269 
Crunching Numbers; Shaping Sound 6269 
How about the tweeter? 6268 
Tweeter Efficiency? 6268 
Safe and Sound 6268 
More mystery with tweeter but still on the subject. 6268 
Some clarifications. 6268 
How about that?!!! 6268 
Further considerations: DC-coupling. 6266 
Head Room 6266 
To kill the mandatory 13dB 6265 
DC coupling and killing 13db and driving 6e5p miller and.... 6265 
I do not think that it might be damaging… 6265 
Again with the PS 6265 
AKA J.C. Morrison’s amp but… 6263 
Parallel Universe 6263 
Melquiades HD MF DSET, Draft13. 6261 
Why I let other people build them... 6261 
Ok, it's going to right direction. 6261 
Ok, it looks already very close…. 6260 
The Loftinish-Whitish, well sort of…. 6257 
MF: the pre-final version. 6257 
Loftin-White? 6257 
Did anyone hear the PX4 amplifiers? 6257 
What Could use Improving at This Point? 6257 
The Milq’s MF front-end is done 6253 
Why I Let Other People Build Them, II 6253 
Define really quiet 6252 
Another variable of sound 6252 
Backlash? 6252 
Alternative filament supplies 6252 
I kind of faced a problem with AC 6252 
Going down the DC path 6251 
It is not about the “whole sound” but about “molec... 6251 
Molecular sound 6251 
AC-DC heater supply 6251 
The Tentlabs are $10 worth PS. 6251 
The unexpected resolution of AC vs. DC quandary. 6251 
The devil is less scared than it depicted. 6251 
Hiss or Hum 6251 
AC transformers 6251 
I have seen the Promised Land 6250 
OK, the choke noise is not a problem anymore 6250 
Ok, it is working fine but… 6249 
Divide and Conquer 6249 
The design phase is over. 6248 
The unexpected insanity! 6247 
Loading 6247 
Looking for inspiring ideas for 'universal' loadin... 6247 
A filaments Sherlock Holmes wanted. 6247 
Going the Distance 6247 
Read the f*** manual! 6247 
Agreed. 6247 
I agree 6247 
The filament transformer 6247 
Center-tap and options 6247 
Something like this…. 6247 
Avoiding "Dial-an-Amp" 6247 
The foreplay is going on. 6247 
Split balance 6246 
Further thoughts about my DH filaments 6246 
The Shuguang 2A3 tubes. 6246 
SHuguang 6246 
Going through…. 6245 
The 2.5V noise vs. 4V noise. 6244 
More about Shuguang 2A3C 6244 
Hum vs voltage 6244 
Meow about the tubes… 6244 
To Be a Content Cat 6244 
Completed! 6241 
Tradition 6241 
Absolutely beautiful! 6241 
The 'film' caps in PS 6240 
Science or religion 6240 
Mass Extinction 6240 
Electrolytics, technology and time 6240 
No more questions about PS capacitors. 6240 
Capacitor choices 6240 
Good time. Welcome back. Thanks God. 6239 
The minor day of Quartets. 6239 
Them's the Breaks 6239 
Eventually! 6238 
So Soon? 6238 
DHT MF channel and 6-ch amp: first conclusions 6238 
All Abuzz about Nothing 6237 
The wire for DC-coupling 6237 
The Dirt on DIY Backlash 6237 
DSET vs. the “better tubes”. 6237 
How to test the DH tubes properly? 6236 
Pairing up tubes for SE use 6235 
The DHT live reserve 6234 
Some interestng models 6234 
Eaten alive. 6234 
The tubey déjà vu? 6233 
The new concept of my output transformer. 6229 
The 4V takes a lead. 6225 
Listening the DH and the striped down version of M... 6222 
I kind of slowly learn what I need. 6222 
More HF from a transformer and DHT? 6220 
Since You Don't Need the Gain 6219 
Exiting the design mode? 6219 
Bye-bye the input divider on MF! 6219 
A few steps back and a gaint leap ahead. 6215 
Single-stage vs. DHT amp. 6214 
Setting up the new Playback 6213 
And the winner is… so far 6210 
If you like type 45... 6210 
Type 45... they're not all the same 6210 
Favorite Flavor? 6210 
The 45 times Meow... 6210 
The problem that I see is… 6210 
Running the 45 6210 
The 10Y...and bye bye Newton 6209 
The commentaries about everything. 6209 
Driver tube and biasing 6209 
DHT drivers 6209 
The ideas are worth trying? 6209 
A question about the polishing the things…. 6205 
The Particular Tube, I'm afraid... 6205 
Driving the 45... cathode first 6204 
ST or Globe; old or new... 6204 
Whatever sticks to the wall as an operation point ... 6204 
The attenuating crap in secondary. 6204 
Operating points and cathode current 6204 
The Burgeoning Opportunities! 6204 
Actually it is not so simple. 6204 
Resistors at the front 6203 
A minor alternation of a position 6203 
The era of enlightenment. 6200 
The devil is in the details.... 6200 
Constructing Sound 6200 
A new view on the DHT evaluation. 6199 
The “strange” YO186 6190 
The dead guy’s lessons. 6145 
2S4S and 2A3 6136 
Ho to use the YO186 6129 
YO 186 fundamental flavor 6129 
The YO-YO tube and "fundamentals" channel 6129 
The live without the YO186, again.... 6127 
Not anymore! 6116 
The very good YoYonisation! 6115 
….above and below two very clean channel. 6114 
The DHT and esoteric imaging deformation. 6101 
DHT, YO186, or??? 6101 
I had no idea how ‘different’ it is. 6048 
The Kazitsky Manufacturing and YO104, some history. 6047 
"Absolution and Eternal Refuge." 6044 
Sofia Electric Type 45 Mesh 6034 
The true association of YO186's Sounds. 5796 
All the Best from Burgundy 5796 
Cheesy tubes 5795 
Me and my DHT references… 5686 
Y0-186 in winter. 5589 
Y0-186 sounds like… 5588 
Rethinking the YO186 tube. 5557 
In My Dreams 5557 
Grunt from type 45? A ridicules comment. 5557 
Blame? 5556 
When good is not good enough. 5556 
45s, Drivers, and 45s 5556 
Hm, that was so simple after all! 5555 
How the YO186 was used. 5139 
What is old is new? 5138 
YO186 vs. type 45. 5137 
The YO186 is gone.... :-( 4686 
That sucks. 4686 
YO186 4684 
Hm, what the hell is going on? 4684 
I do not think that anybody but me would like YO186 4684 
A hallucination? 4681 
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