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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 6390 
One-stage Milq++ and the DHT's alleged tone 6389 
DHT Milq? 6389 
The DHT journey. 6389 
DHT tone 6389 
Well, why not? 6388 
Holding the Fort 6388 
My DHT experiment: Preface 6388 
Input tube and DC heaters 6387 
Reimyo Pat 777 6387 
My DHT experiment: Observations 6383 
DHT or 300B? 6383 
300B 6383 
Talking, perception and the grounds for objectively 6383 
The Wine Via the Wine Glass 6382 
Hence the confusion 6382 
My DHT experiment: some conclusions. 6382 
Reality Reconstruction is not a functionality. 6382 
My experience with DHTs 6382 
Pigmented coloration? 6382 
Dht-dht 6382 
Dynamic viscosity? 6382 
The Pallette preamp... 6382 
If one DHT is good, two must be better? 6382 
"soul" of tubes 6382 
There is a difference... 6382 
Vibration injection? 6382 
Homework # 4334 6382 
The 01A-71A-10Y-45 chain 6382 
Old valves have more soul! 6381 
Was it soul or soil? 6381 
It was just a heading 6381 
Adjustable color: TIMBRE LOCK? 6381 
Neutral or neutral/uncoloured? 6381 
..are lacking in power, dynamics and bandwidth. 6381 
Timbre-Lock. Not quite ready for prime time. 6381 
Injection of analog dither? 6381 
Subliminal signal 6381 
The idea of analog randomanization. 6381 
Okay, what Avicena Power Generator 6381 
I hope you will be hearing about it. 6380 
Avicenna = Arabian 6380 
Persian, not Arab 6380 
The “second solution” - a major disappointment 6380 
More words to describe "sux" please 6380 
Revolution 6380 
The non-melodramatic DHT? 6380 
One-stage DHTs 6379 
One other thing 6379 
One stage 6379 
Brewing, thinking and heating 6379 
Physical characteristics of electronic devices 6379 
I see the things differently. 6379 
Don't waste time being "creative" 6379 
The audiophile attitude 6379 
The where and why of design choices 6379 
Blah blah blah 6379 
Laconic Clarity vs. Comfort vs. Nostalgia 6379 
Do I need to be hissing? 6379 
...associated with lack of neutrality and colorati... 6379 
John Broskie's Partial feedback amplifier 6379 
Randomness vs. freedom and the Homework # 4334 6378 
What is randomness? 6378 
Those least three possibilities… 6378 
Randomness and Music's Prerogative 6378 
It works, … sort of. The revolution is canceled. 6378 
Thorsten Loesch’s article about DHT SETs 6376 
A Beautiful Mind 6375 
Some summary and conclusions from the first phase. 6373 
Second phase: revising requirement for my DHT objectives. 6358 
Tubes for your DHT amp 6358 
Abandoning Milq? 6358 
Will see how it goes.... 6358 
Single-stage Milq vs. Sun Audio VT-2A3 6356 
Topology and 2A3? 6356 
6SN7-2A3 amps? 6356 
Type Casting 6356 
Sun Audio SV-2A3 6356 
6sn7-2a3 6356 
Topology vs parts 6356 
For a DHT amp, you are listening to the power supply 6356 
The vintage tubes syndrome. 6356 
Parts Frenzy 6356 
Too many new sounds 6356 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6355 
New tubes 6354 
Milq bias vs. batery bias 6354 
The batteries are a tricky thing. 6354 
Swimming the ocean at night? 6354 
New 2A3 6354 
To kill of do not kill the capacitor. 6353 
The JJ Electronic amp. 6352 
JJ 2A3 and amp 6352 
Czech tubes 6350 
Single plated vs Double plated? 6350 
Mono plate 2A3 tubes 6350 
I suggested once VT52 tube 6349 
The 800R vs. 1800R vs. 5500R 6349 
YO-186 as the output tube. 6346 
Here she is. 6345 
Some talks about the new production tubes 6341 
New 2A3 tubes 6341 
Some thoughts about one-IHT vs. multiple-DHT 6341 
The Sun Audio with 6E5P 6340 
Multistage DHT circuits 6339 
Wrong tube or wrong topology – here is the question. 6338 
Emission Labs 2A3 6338 
Some comment and questions about then 2A3 talks. 6338 
Which Chinese 2A3? 6338 
OK, for a first time I like the San Audio Kit. 6338 
The YO186 Strip Show 6338 
More on the 2A3 comparisons 6337 
It will be interesting…. 6337 
OPT impedence 6337 
More about the Plate Loading 6337 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6332 
2A3 data 6332 
The New 2A3 tubes 6332 
How many stages I need for 110dB sensitivity, smal... 6332 
How many stages and why... and who makes that 45 o... 6331 
Everything about everything. 6331 
Some very good points... and... possibly more logi... 6331 
Options, options, options.... 6331 
I think we agree overall 6331 
An IDHT with more gain? 6330 
You don't ask for much now, eh? 6330 
2A3 tube impressions 6325 
Interesting analogy 6325 
NOS 2A3 tubes versus new tubes 6325 
Hmmm, let me try this one again... 6325 
Sylvania 2A3 identification 6325 
A picture is worth a thousand micromhos? 6325 
I have more interest in the period tubes 6325 
Why NOS tubes? 6324 
The Holly Ignorance 6324 
Tube tasting 6324 
The cathodes’ flatulence? 6324 
Make mine thoriated please 6324 
Any Germans out there? 6324 
6E5P VS 6E6P 6324 
Vibrations? What do you with them? 6324 
Vibration in tubes and sounds 6324 
UX4 vs UX4ruskie 6323 
Ringing the tubes? I do not know how about that. 6323 
Tube sound and vibration 6323 
The thoughts collection about YO186? 6317 
The lights look green for the YO tube 6316 
"Melquiades" with YO-186. Something like... 6316 
My version of RE-604 and PX4 6315 
The YO186 tube sockets. 6315 
B4/B5 British made 6314 
The YO186’s sockets and prices 6314 
DHT 2A3 amplifier rectification 6313 
My attitude toward tube rectification. 6313 
Tu-be or not Tu-be, seems Tu-be the question. 6312 
It looks like DHT DSET is shaping up. 6311 
The Sylvania 2A3 NOS report 6308 
The Citizen Kane syndrome. 6308 
Sylvania 2A3 in a World without Color 6307 
Are NOS and new manufacture comparing oranges to o... 6307 
That all is incorrect in a way…. 6307 
NOS vs new 2A3 tubes 6307 
The identical operation environment? 6307 
Preferred 2A3 operating point 6307 
The sound of the 2A3 however? 6307 
Circuit modification for 2A3 optimization 6306 
How to get max power from 2A3 6306 
2A3 voltages, loads and realized output power 6306 
Optimal operation of 2A3: an experiment 6306 
Tubes, Whole Circuits, Expectations and Sound 6306 
Gain is not power. 6306 
2A3 amplifier modification & Optimization 6306 
Specialized DSET approach 6306 
6C33/2A3 DSET? 6306 
SET usable power and making the most of it 6306 
The 2A3 loading 6306 
DSET solution for EdgarHorn? 6306 
Optimizing the 2A3 6306 
How much to DSET a DSET 6306 
DSET for Titan 6306 
The Best of All Worlds 6306 
Multiamp setup 6305 
Optimizing the (NOS) 2A3... "KM-style"? 6305 
There are many opportunities, it all depends what ... 6305 
Modifying amplifer to optimize NOS 2A3 performance 6305 
Conceptualizing Melquiades DSET is done 6299 
2A3 and 400V supply 6299 
Pudding and the chicken wires 6298 
Another shot at numbers 6298 
How to cook the "uninformed" anode. 6298 
Okay, so this might work.... 6298 
The DHT Milq DSET, the prebuilt draft. 6298 
Looks good, but.... 6297 
2A3 with slightly lover filament voltage? 6297 
Less is more... usually. 6297 
Where to burn gain? how? and where to get beter st... 6296 
Stepping Out 6296 
Said to be good, but 6296 
Gain to lose 6296 
Why nothing is simple with this damn amp! 6296 
Another idea for losing gain 6296 
What's best 6296 
Options, options... 6296 
Actually, it is not so bad. 6296 
Other compromises... 6295 
Cathode vs. fixed with DHT 6294 
Is it glowing yet? 6274 
It is comming.... 6274 
The new MF channel. 6268 
I started to work on the Milq’s DHT Island. 6267 
Innerstage loading vs. OPT loading. 6259 
The intestage loading talk. 6256 
My playback feels like it is broken. 6251 
1 in 50? 6251 
Yes, it was after PP2000 6251 
Die Walküre soldering. 6250 
The post Die Walküre soldering 6249 
Another amp arond YO186 6248 
Gain? 6248 
The Unexpected problem with DHT Milq. 6248 
Simple is good 6247 
Ok, I am moving forward. 6247 
The Milq DSET is up. 6246 
My DH DSET – 2 days later. 6244 
Here is more data to reconcile. 6244 
Hm, that is interesting and unpleasant so far. 6243 
Ok, what do I want? 6243 
Let Go of Some Conceptual "Restrictions"? 6243 
The Milq DH DSET, the further thoughts in progress. 6243 
Crunching Numbers; Shaping Sound 6243 
How about the tweeter? 6242 
Tweeter Efficiency? 6242 
Safe and Sound 6242 
More mystery with tweeter but still on the subject. 6242 
Some clarifications. 6242 
How about that?!!! 6242 
Further considerations: DC-coupling. 6240 
Head Room 6240 
To kill the mandatory 13dB 6239 
DC coupling and killing 13db and driving 6e5p miller and.... 6239 
I do not think that it might be damaging… 6239 
Again with the PS 6239 
AKA J.C. Morrison’s amp but… 6237 
Parallel Universe 6237 
Melquiades HD MF DSET, Draft13. 6235 
Why I let other people build them... 6235 
Ok, it's going to right direction. 6235 
Ok, it looks already very close…. 6234 
The Loftinish-Whitish, well sort of…. 6231 
MF: the pre-final version. 6231 
Loftin-White? 6231 
Did anyone hear the PX4 amplifiers? 6231 
What Could use Improving at This Point? 6231 
The Milq’s MF front-end is done 6227 
Why I Let Other People Build Them, II 6227 
Define really quiet 6226 
Another variable of sound 6226 
Backlash? 6226 
Alternative filament supplies 6226 
I kind of faced a problem with AC 6226 
Going down the DC path 6225 
It is not about the “whole sound” but about “molec... 6225 
Molecular sound 6225 
AC-DC heater supply 6225 
The Tentlabs are $10 worth PS. 6225 
The unexpected resolution of AC vs. DC quandary. 6225 
The devil is less scared than it depicted. 6225 
Hiss or Hum 6225 
AC transformers 6225 
I have seen the Promised Land 6224 
OK, the choke noise is not a problem anymore 6224 
Ok, it is working fine but… 6223 
Divide and Conquer 6223 
The design phase is over. 6222 
The unexpected insanity! 6221 
Loading 6221 
Looking for inspiring ideas for 'universal' loadin... 6221 
A filaments Sherlock Holmes wanted. 6221 
Going the Distance 6221 
Read the f*** manual! 6221 
Agreed. 6221 
I agree 6221 
The filament transformer 6221 
Center-tap and options 6221 
Something like this…. 6221 
Avoiding "Dial-an-Amp" 6221 
The foreplay is going on. 6221 
Split balance 6220 
Further thoughts about my DH filaments 6220 
The Shuguang 2A3 tubes. 6220 
SHuguang 6220 
Going through…. 6219 
The 2.5V noise vs. 4V noise. 6218 
More about Shuguang 2A3C 6218 
Hum vs voltage 6218 
Meow about the tubes… 6218 
To Be a Content Cat 6218 
Completed! 6215 
Tradition 6215 
Absolutely beautiful! 6215 
The 'film' caps in PS 6214 
Science or religion 6214 
Mass Extinction 6214 
Electrolytics, technology and time 6214 
No more questions about PS capacitors. 6214 
Capacitor choices 6214 
Good time. Welcome back. Thanks God. 6213 
The minor day of Quartets. 6213 
Them's the Breaks 6213 
Eventually! 6212 
So Soon? 6212 
DHT MF channel and 6-ch amp: first conclusions 6212 
All Abuzz about Nothing 6211 
The wire for DC-coupling 6211 
The Dirt on DIY Backlash 6211 
DSET vs. the “better tubes”. 6211 
How to test the DH tubes properly? 6210 
Pairing up tubes for SE use 6209 
The DHT live reserve 6208 
Some interestng models 6208 
Eaten alive. 6208 
The tubey déjà vu? 6207 
The new concept of my output transformer. 6203 
The 4V takes a lead. 6199 
Listening the DH and the striped down version of M... 6196 
I kind of slowly learn what I need. 6196 
More HF from a transformer and DHT? 6194 
Since You Don't Need the Gain 6193 
Exiting the design mode? 6193 
Bye-bye the input divider on MF! 6193 
A few steps back and a gaint leap ahead. 6189 
Single-stage vs. DHT amp. 6188 
Setting up the new Playback 6187 
And the winner is… so far 6184 
If you like type 45... 6184 
Type 45... they're not all the same 6184 
Favorite Flavor? 6184 
The 45 times Meow... 6184 
The problem that I see is… 6184 
Running the 45 6184 
The 10Y...and bye bye Newton 6183 
The commentaries about everything. 6183 
Driver tube and biasing 6183 
DHT drivers 6183 
The ideas are worth trying? 6183 
A question about the polishing the things…. 6179 
The Particular Tube, I'm afraid... 6179 
Driving the 45... cathode first 6178 
ST or Globe; old or new... 6178 
Whatever sticks to the wall as an operation point ... 6178 
The attenuating crap in secondary. 6178 
Operating points and cathode current 6178 
The Burgeoning Opportunities! 6178 
Actually it is not so simple. 6178 
Resistors at the front 6177 
A minor alternation of a position 6177 
The era of enlightenment. 6174 
The devil is in the details.... 6174 
Constructing Sound 6174 
A new view on the DHT evaluation. 6173 
The “strange” YO186 6164 
The dead guy’s lessons. 6119 
2S4S and 2A3 6110 
Ho to use the YO186 6103 
YO 186 fundamental flavor 6103 
The YO-YO tube and "fundamentals" channel 6103 
The live without the YO186, again.... 6101 
Not anymore! 6090 
The very good YoYonisation! 6089 
….above and below two very clean channel. 6088 
The DHT and esoteric imaging deformation. 6075 
DHT, YO186, or??? 6075 
I had no idea how ‘different’ it is. 6022 
The Kazitsky Manufacturing and YO104, some history. 6021 
"Absolution and Eternal Refuge." 6018 
Sofia Electric Type 45 Mesh 6008 
The true association of YO186's Sounds. 5770 
All the Best from Burgundy 5770 
Cheesy tubes 5769 
Me and my DHT references… 5660 
Y0-186 in winter. 5563 
Y0-186 sounds like… 5562 
Rethinking the YO186 tube. 5531 
In My Dreams 5531 
Grunt from type 45? A ridicules comment. 5531 
Blame? 5530 
When good is not good enough. 5530 
45s, Drivers, and 45s 5530 
Hm, that was so simple after all! 5529 
How the YO186 was used. 5113 
What is old is new? 5112 
YO186 vs. type 45. 5111 
The YO186 is gone.... :-( 4660 
That sucks. 4660 
YO186 4658 
Hm, what the hell is going on? 4658 
I do not think that anybody but me would like YO186 4658 
A hallucination? 4655 
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