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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 6388 
One-stage Milq++ and the DHT's alleged tone 6387 
DHT Milq? 6387 
The DHT journey. 6387 
DHT tone 6387 
Well, why not? 6386 
Holding the Fort 6386 
My DHT experiment: Preface 6386 
Input tube and DC heaters 6385 
Reimyo Pat 777 6385 
My DHT experiment: Observations 6381 
DHT or 300B? 6381 
300B 6381 
Talking, perception and the grounds for objectively 6381 
The Wine Via the Wine Glass 6380 
Hence the confusion 6380 
My DHT experiment: some conclusions. 6380 
Reality Reconstruction is not a functionality. 6380 
My experience with DHTs 6380 
Pigmented coloration? 6380 
Dht-dht 6380 
Dynamic viscosity? 6380 
The Pallette preamp... 6380 
If one DHT is good, two must be better? 6380 
"soul" of tubes 6380 
There is a difference... 6380 
Vibration injection? 6380 
Homework # 4334 6380 
The 01A-71A-10Y-45 chain 6380 
Old valves have more soul! 6379 
Was it soul or soil? 6379 
It was just a heading 6379 
Adjustable color: TIMBRE LOCK? 6379 
Neutral or neutral/uncoloured? 6379 
..are lacking in power, dynamics and bandwidth. 6379 
Timbre-Lock. Not quite ready for prime time. 6379 
Injection of analog dither? 6379 
Subliminal signal 6379 
The idea of analog randomanization. 6379 
Okay, what Avicena Power Generator 6379 
I hope you will be hearing about it. 6378 
Avicenna = Arabian 6378 
Persian, not Arab 6378 
The “second solution” - a major disappointment 6378 
More words to describe "sux" please 6378 
Revolution 6378 
The non-melodramatic DHT? 6378 
One-stage DHTs 6377 
One other thing 6377 
One stage 6377 
Brewing, thinking and heating 6377 
Physical characteristics of electronic devices 6377 
I see the things differently. 6377 
Don't waste time being "creative" 6377 
The audiophile attitude 6377 
The where and why of design choices 6377 
Blah blah blah 6377 
Laconic Clarity vs. Comfort vs. Nostalgia 6377 
Do I need to be hissing? 6377 
...associated with lack of neutrality and colorati... 6377 
John Broskie's Partial feedback amplifier 6377 
Randomness vs. freedom and the Homework # 4334 6376 
What is randomness? 6376 
Those least three possibilities… 6376 
Randomness and Music's Prerogative 6376 
It works, … sort of. The revolution is canceled. 6376 
Thorsten Loesch’s article about DHT SETs 6374 
A Beautiful Mind 6373 
Some summary and conclusions from the first phase. 6371 
Second phase: revising requirement for my DHT objectives. 6356 
Tubes for your DHT amp 6356 
Abandoning Milq? 6356 
Will see how it goes.... 6356 
Single-stage Milq vs. Sun Audio VT-2A3 6354 
Topology and 2A3? 6354 
6SN7-2A3 amps? 6354 
Type Casting 6354 
Sun Audio SV-2A3 6354 
6sn7-2a3 6354 
Topology vs parts 6354 
For a DHT amp, you are listening to the power supply 6354 
The vintage tubes syndrome. 6354 
Parts Frenzy 6354 
Too many new sounds 6354 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6353 
New tubes 6352 
Milq bias vs. batery bias 6352 
The batteries are a tricky thing. 6352 
Swimming the ocean at night? 6352 
New 2A3 6352 
To kill of do not kill the capacitor. 6351 
The JJ Electronic amp. 6350 
JJ 2A3 and amp 6350 
Czech tubes 6348 
Single plated vs Double plated? 6348 
Mono plate 2A3 tubes 6348 
I suggested once VT52 tube 6347 
The 800R vs. 1800R vs. 5500R 6347 
YO-186 as the output tube. 6344 
Here she is. 6343 
Some talks about the new production tubes 6339 
New 2A3 tubes 6339 
Some thoughts about one-IHT vs. multiple-DHT 6339 
The Sun Audio with 6E5P 6338 
Multistage DHT circuits 6337 
Wrong tube or wrong topology – here is the question. 6336 
Emission Labs 2A3 6336 
Some comment and questions about then 2A3 talks. 6336 
Which Chinese 2A3? 6336 
OK, for a first time I like the San Audio Kit. 6336 
The YO186 Strip Show 6336 
More on the 2A3 comparisons 6335 
It will be interesting…. 6335 
OPT impedence 6335 
More about the Plate Loading 6335 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6330 
2A3 data 6330 
The New 2A3 tubes 6330 
How many stages I need for 110dB sensitivity, smal... 6330 
How many stages and why... and who makes that 45 o... 6329 
Everything about everything. 6329 
Some very good points... and... possibly more logi... 6329 
Options, options, options.... 6329 
I think we agree overall 6329 
An IDHT with more gain? 6328 
You don't ask for much now, eh? 6328 
2A3 tube impressions 6323 
Interesting analogy 6323 
NOS 2A3 tubes versus new tubes 6323 
Hmmm, let me try this one again... 6323 
Sylvania 2A3 identification 6323 
A picture is worth a thousand micromhos? 6323 
I have more interest in the period tubes 6323 
Why NOS tubes? 6322 
The Holly Ignorance 6322 
Tube tasting 6322 
The cathodes’ flatulence? 6322 
Make mine thoriated please 6322 
Any Germans out there? 6322 
6E5P VS 6E6P 6322 
Vibrations? What do you with them? 6322 
Vibration in tubes and sounds 6322 
UX4 vs UX4ruskie 6321 
Ringing the tubes? I do not know how about that. 6321 
Tube sound and vibration 6321 
The thoughts collection about YO186? 6315 
The lights look green for the YO tube 6314 
"Melquiades" with YO-186. Something like... 6314 
My version of RE-604 and PX4 6313 
The YO186 tube sockets. 6313 
B4/B5 British made 6312 
The YO186’s sockets and prices 6312 
DHT 2A3 amplifier rectification 6311 
My attitude toward tube rectification. 6311 
Tu-be or not Tu-be, seems Tu-be the question. 6310 
It looks like DHT DSET is shaping up. 6309 
The Sylvania 2A3 NOS report 6306 
The Citizen Kane syndrome. 6306 
Sylvania 2A3 in a World without Color 6305 
Are NOS and new manufacture comparing oranges to o... 6305 
That all is incorrect in a way…. 6305 
NOS vs new 2A3 tubes 6305 
The identical operation environment? 6305 
Preferred 2A3 operating point 6305 
The sound of the 2A3 however? 6305 
Circuit modification for 2A3 optimization 6304 
How to get max power from 2A3 6304 
2A3 voltages, loads and realized output power 6304 
Optimal operation of 2A3: an experiment 6304 
Tubes, Whole Circuits, Expectations and Sound 6304 
Gain is not power. 6304 
2A3 amplifier modification & Optimization 6304 
Specialized DSET approach 6304 
6C33/2A3 DSET? 6304 
SET usable power and making the most of it 6304 
The 2A3 loading 6304 
DSET solution for EdgarHorn? 6304 
Optimizing the 2A3 6304 
How much to DSET a DSET 6304 
DSET for Titan 6304 
The Best of All Worlds 6304 
Multiamp setup 6303 
Optimizing the (NOS) 2A3... "KM-style"? 6303 
There are many opportunities, it all depends what ... 6303 
Modifying amplifer to optimize NOS 2A3 performance 6303 
Conceptualizing Melquiades DSET is done 6297 
2A3 and 400V supply 6297 
Pudding and the chicken wires 6296 
Another shot at numbers 6296 
How to cook the "uninformed" anode. 6296 
Okay, so this might work.... 6296 
The DHT Milq DSET, the prebuilt draft. 6296 
Looks good, but.... 6295 
2A3 with slightly lover filament voltage? 6295 
Less is more... usually. 6295 
Where to burn gain? how? and where to get beter st... 6294 
Stepping Out 6294 
Said to be good, but 6294 
Gain to lose 6294 
Why nothing is simple with this damn amp! 6294 
Another idea for losing gain 6294 
What's best 6294 
Options, options... 6294 
Actually, it is not so bad. 6294 
Other compromises... 6293 
Cathode vs. fixed with DHT 6292 
Is it glowing yet? 6272 
It is comming.... 6272 
The new MF channel. 6266 
I started to work on the Milq’s DHT Island. 6265 
Innerstage loading vs. OPT loading. 6257 
The intestage loading talk. 6254 
My playback feels like it is broken. 6249 
1 in 50? 6249 
Yes, it was after PP2000 6249 
Die Walküre soldering. 6248 
The post Die Walküre soldering 6247 
Another amp arond YO186 6246 
Gain? 6246 
The Unexpected problem with DHT Milq. 6246 
Simple is good 6245 
Ok, I am moving forward. 6245 
The Milq DSET is up. 6244 
My DH DSET – 2 days later. 6242 
Here is more data to reconcile. 6242 
Hm, that is interesting and unpleasant so far. 6241 
Ok, what do I want? 6241 
Let Go of Some Conceptual "Restrictions"? 6241 
The Milq DH DSET, the further thoughts in progress. 6241 
Crunching Numbers; Shaping Sound 6241 
How about the tweeter? 6240 
Tweeter Efficiency? 6240 
Safe and Sound 6240 
More mystery with tweeter but still on the subject. 6240 
Some clarifications. 6240 
How about that?!!! 6240 
Further considerations: DC-coupling. 6238 
Head Room 6238 
To kill the mandatory 13dB 6237 
DC coupling and killing 13db and driving 6e5p miller and.... 6237 
I do not think that it might be damaging… 6237 
Again with the PS 6237 
AKA J.C. Morrison’s amp but… 6235 
Parallel Universe 6235 
Melquiades HD MF DSET, Draft13. 6233 
Why I let other people build them... 6233 
Ok, it's going to right direction. 6233 
Ok, it looks already very close…. 6232 
The Loftinish-Whitish, well sort of…. 6229 
MF: the pre-final version. 6229 
Loftin-White? 6229 
Did anyone hear the PX4 amplifiers? 6229 
What Could use Improving at This Point? 6229 
The Milq’s MF front-end is done 6225 
Why I Let Other People Build Them, II 6225 
Define really quiet 6224 
Another variable of sound 6224 
Backlash? 6224 
Alternative filament supplies 6224 
I kind of faced a problem with AC 6224 
Going down the DC path 6223 
It is not about the “whole sound” but about “molec... 6223 
Molecular sound 6223 
AC-DC heater supply 6223 
The Tentlabs are $10 worth PS. 6223 
The unexpected resolution of AC vs. DC quandary. 6223 
The devil is less scared than it depicted. 6223 
Hiss or Hum 6223 
AC transformers 6223 
I have seen the Promised Land 6222 
OK, the choke noise is not a problem anymore 6222 
Ok, it is working fine but… 6221 
Divide and Conquer 6221 
The design phase is over. 6220 
The unexpected insanity! 6219 
Loading 6219 
Looking for inspiring ideas for 'universal' loadin... 6219 
A filaments Sherlock Holmes wanted. 6219 
Going the Distance 6219 
Read the f*** manual! 6219 
Agreed. 6219 
I agree 6219 
The filament transformer 6219 
Center-tap and options 6219 
Something like this…. 6219 
Avoiding "Dial-an-Amp" 6219 
The foreplay is going on. 6219 
Split balance 6218 
Further thoughts about my DH filaments 6218 
The Shuguang 2A3 tubes. 6218 
SHuguang 6218 
Going through…. 6217 
The 2.5V noise vs. 4V noise. 6216 
More about Shuguang 2A3C 6216 
Hum vs voltage 6216 
Meow about the tubes… 6216 
To Be a Content Cat 6216 
Completed! 6213 
Tradition 6213 
Absolutely beautiful! 6213 
The 'film' caps in PS 6212 
Science or religion 6212 
Mass Extinction 6212 
Electrolytics, technology and time 6212 
No more questions about PS capacitors. 6212 
Capacitor choices 6212 
Good time. Welcome back. Thanks God. 6211 
The minor day of Quartets. 6211 
Them's the Breaks 6211 
Eventually! 6210 
So Soon? 6210 
DHT MF channel and 6-ch amp: first conclusions 6210 
All Abuzz about Nothing 6209 
The wire for DC-coupling 6209 
The Dirt on DIY Backlash 6209 
DSET vs. the “better tubes”. 6209 
How to test the DH tubes properly? 6208 
Pairing up tubes for SE use 6207 
The DHT live reserve 6206 
Some interestng models 6206 
Eaten alive. 6206 
The tubey déjà vu? 6205 
The new concept of my output transformer. 6201 
The 4V takes a lead. 6197 
Listening the DH and the striped down version of M... 6194 
I kind of slowly learn what I need. 6194 
More HF from a transformer and DHT? 6192 
Since You Don't Need the Gain 6191 
Exiting the design mode? 6191 
Bye-bye the input divider on MF! 6191 
A few steps back and a gaint leap ahead. 6187 
Single-stage vs. DHT amp. 6186 
Setting up the new Playback 6185 
And the winner is… so far 6182 
If you like type 45... 6182 
Type 45... they're not all the same 6182 
Favorite Flavor? 6182 
The 45 times Meow... 6182 
The problem that I see is… 6182 
Running the 45 6182 
The 10Y...and bye bye Newton 6181 
The commentaries about everything. 6181 
Driver tube and biasing 6181 
DHT drivers 6181 
The ideas are worth trying? 6181 
A question about the polishing the things…. 6177 
The Particular Tube, I'm afraid... 6177 
Driving the 45... cathode first 6176 
ST or Globe; old or new... 6176 
Whatever sticks to the wall as an operation point ... 6176 
The attenuating crap in secondary. 6176 
Operating points and cathode current 6176 
The Burgeoning Opportunities! 6176 
Actually it is not so simple. 6176 
Resistors at the front 6175 
A minor alternation of a position 6175 
The era of enlightenment. 6172 
The devil is in the details.... 6172 
Constructing Sound 6172 
A new view on the DHT evaluation. 6171 
The “strange” YO186 6162 
The dead guy’s lessons. 6117 
2S4S and 2A3 6108 
Ho to use the YO186 6101 
YO 186 fundamental flavor 6101 
The YO-YO tube and "fundamentals" channel 6101 
The live without the YO186, again.... 6099 
Not anymore! 6088 
The very good YoYonisation! 6087 
….above and below two very clean channel. 6086 
The DHT and esoteric imaging deformation. 6073 
DHT, YO186, or??? 6073 
I had no idea how ‘different’ it is. 6020 
The Kazitsky Manufacturing and YO104, some history. 6019 
"Absolution and Eternal Refuge." 6016 
Sofia Electric Type 45 Mesh 6006 
The true association of YO186's Sounds. 5768 
All the Best from Burgundy 5768 
Cheesy tubes 5767 
Me and my DHT references… 5658 
Y0-186 in winter. 5561 
Y0-186 sounds like… 5560 
Rethinking the YO186 tube. 5529 
In My Dreams 5529 
Grunt from type 45? A ridicules comment. 5529 
Blame? 5528 
When good is not good enough. 5528 
45s, Drivers, and 45s 5528 
Hm, that was so simple after all! 5527 
How the YO186 was used. 5111 
What is old is new? 5110 
YO186 vs. type 45. 5109 
The YO186 is gone.... :-( 4658 
That sucks. 4658 
YO186 4656 
Hm, what the hell is going on? 4656 
I do not think that anybody but me would like YO186 4656 
A hallucination? 4653 
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