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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 6443 
One-stage Milq++ and the DHT's alleged tone 6442 
DHT Milq? 6442 
The DHT journey. 6442 
DHT tone 6442 
Well, why not? 6441 
Holding the Fort 6441 
My DHT experiment: Preface 6441 
Input tube and DC heaters 6440 
Reimyo Pat 777 6440 
My DHT experiment: Observations 6436 
DHT or 300B? 6436 
300B 6436 
Talking, perception and the grounds for objectively 6436 
The Wine Via the Wine Glass 6435 
Hence the confusion 6435 
My DHT experiment: some conclusions. 6435 
Reality Reconstruction is not a functionality. 6435 
My experience with DHTs 6435 
Pigmented coloration? 6435 
Dht-dht 6435 
Dynamic viscosity? 6435 
The Pallette preamp... 6435 
If one DHT is good, two must be better? 6435 
"soul" of tubes 6435 
There is a difference... 6435 
Vibration injection? 6435 
Homework # 4334 6435 
The 01A-71A-10Y-45 chain 6435 
Old valves have more soul! 6434 
Was it soul or soil? 6434 
It was just a heading 6434 
Adjustable color: TIMBRE LOCK? 6434 
Neutral or neutral/uncoloured? 6434 
..are lacking in power, dynamics and bandwidth. 6434 
Timbre-Lock. Not quite ready for prime time. 6434 
Injection of analog dither? 6434 
Subliminal signal 6434 
The idea of analog randomanization. 6434 
Okay, what Avicena Power Generator 6434 
I hope you will be hearing about it. 6433 
Avicenna = Arabian 6433 
Persian, not Arab 6433 
The “second solution” - a major disappointment 6433 
More words to describe "sux" please 6433 
Revolution 6433 
The non-melodramatic DHT? 6433 
One-stage DHTs 6432 
One other thing 6432 
One stage 6432 
Brewing, thinking and heating 6432 
Physical characteristics of electronic devices 6432 
I see the things differently. 6432 
Don't waste time being "creative" 6432 
The audiophile attitude 6432 
The where and why of design choices 6432 
Blah blah blah 6432 
Laconic Clarity vs. Comfort vs. Nostalgia 6432 
Do I need to be hissing? 6432 
...associated with lack of neutrality and colorati... 6432 
John Broskie's Partial feedback amplifier 6432 
Randomness vs. freedom and the Homework # 4334 6431 
What is randomness? 6431 
Those least three possibilities… 6431 
Randomness and Music's Prerogative 6431 
It works, … sort of. The revolution is canceled. 6431 
Thorsten Loesch’s article about DHT SETs 6429 
A Beautiful Mind 6428 
Some summary and conclusions from the first phase. 6426 
Second phase: revising requirement for my DHT objectives. 6411 
Tubes for your DHT amp 6411 
Abandoning Milq? 6411 
Will see how it goes.... 6411 
Single-stage Milq vs. Sun Audio VT-2A3 6409 
Topology and 2A3? 6409 
6SN7-2A3 amps? 6409 
Type Casting 6409 
Sun Audio SV-2A3 6409 
6sn7-2a3 6409 
Topology vs parts 6409 
For a DHT amp, you are listening to the power supply 6409 
The vintage tubes syndrome. 6409 
Parts Frenzy 6409 
Too many new sounds 6409 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6408 
New tubes 6407 
Milq bias vs. batery bias 6407 
The batteries are a tricky thing. 6407 
Swimming the ocean at night? 6407 
New 2A3 6407 
To kill of do not kill the capacitor. 6406 
The JJ Electronic amp. 6405 
JJ 2A3 and amp 6405 
Czech tubes 6403 
Single plated vs Double plated? 6403 
Mono plate 2A3 tubes 6403 
I suggested once VT52 tube 6402 
The 800R vs. 1800R vs. 5500R 6402 
YO-186 as the output tube. 6399 
Here she is. 6398 
Some talks about the new production tubes 6394 
New 2A3 tubes 6394 
Some thoughts about one-IHT vs. multiple-DHT 6394 
The Sun Audio with 6E5P 6393 
Multistage DHT circuits 6392 
Wrong tube or wrong topology – here is the question. 6391 
Emission Labs 2A3 6391 
Some comment and questions about then 2A3 talks. 6391 
Which Chinese 2A3? 6391 
OK, for a first time I like the San Audio Kit. 6391 
The YO186 Strip Show 6391 
More on the 2A3 comparisons 6390 
It will be interesting…. 6390 
OPT impedence 6390 
More about the Plate Loading 6390 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6385 
2A3 data 6385 
The New 2A3 tubes 6385 
How many stages I need for 110dB sensitivity, smal... 6385 
How many stages and why... and who makes that 45 o... 6384 
Everything about everything. 6384 
Some very good points... and... possibly more logi... 6384 
Options, options, options.... 6384 
I think we agree overall 6384 
An IDHT with more gain? 6383 
You don't ask for much now, eh? 6383 
2A3 tube impressions 6378 
Interesting analogy 6378 
NOS 2A3 tubes versus new tubes 6378 
Hmmm, let me try this one again... 6378 
Sylvania 2A3 identification 6378 
A picture is worth a thousand micromhos? 6378 
I have more interest in the period tubes 6378 
Why NOS tubes? 6377 
The Holly Ignorance 6377 
Tube tasting 6377 
The cathodes’ flatulence? 6377 
Make mine thoriated please 6377 
Any Germans out there? 6377 
6E5P VS 6E6P 6377 
Vibrations? What do you with them? 6377 
Vibration in tubes and sounds 6377 
UX4 vs UX4ruskie 6376 
Ringing the tubes? I do not know how about that. 6376 
Tube sound and vibration 6376 
The thoughts collection about YO186? 6370 
The lights look green for the YO tube 6369 
"Melquiades" with YO-186. Something like... 6369 
My version of RE-604 and PX4 6368 
The YO186 tube sockets. 6368 
B4/B5 British made 6367 
The YO186’s sockets and prices 6367 
DHT 2A3 amplifier rectification 6366 
My attitude toward tube rectification. 6366 
Tu-be or not Tu-be, seems Tu-be the question. 6365 
It looks like DHT DSET is shaping up. 6364 
The Sylvania 2A3 NOS report 6361 
The Citizen Kane syndrome. 6361 
Sylvania 2A3 in a World without Color 6360 
Are NOS and new manufacture comparing oranges to o... 6360 
That all is incorrect in a way…. 6360 
NOS vs new 2A3 tubes 6360 
The identical operation environment? 6360 
Preferred 2A3 operating point 6360 
The sound of the 2A3 however? 6360 
Circuit modification for 2A3 optimization 6359 
How to get max power from 2A3 6359 
2A3 voltages, loads and realized output power 6359 
Optimal operation of 2A3: an experiment 6359 
Tubes, Whole Circuits, Expectations and Sound 6359 
Gain is not power. 6359 
2A3 amplifier modification & Optimization 6359 
Specialized DSET approach 6359 
6C33/2A3 DSET? 6359 
SET usable power and making the most of it 6359 
The 2A3 loading 6359 
DSET solution for EdgarHorn? 6359 
Optimizing the 2A3 6359 
How much to DSET a DSET 6359 
DSET for Titan 6359 
The Best of All Worlds 6359 
Multiamp setup 6358 
Optimizing the (NOS) 2A3... "KM-style"? 6358 
There are many opportunities, it all depends what ... 6358 
Modifying amplifer to optimize NOS 2A3 performance 6358 
Conceptualizing Melquiades DSET is done 6352 
2A3 and 400V supply 6352 
Pudding and the chicken wires 6351 
Another shot at numbers 6351 
How to cook the "uninformed" anode. 6351 
Okay, so this might work.... 6351 
The DHT Milq DSET, the prebuilt draft. 6351 
Looks good, but.... 6350 
2A3 with slightly lover filament voltage? 6350 
Less is more... usually. 6350 
Where to burn gain? how? and where to get beter st... 6349 
Stepping Out 6349 
Said to be good, but 6349 
Gain to lose 6349 
Why nothing is simple with this damn amp! 6349 
Another idea for losing gain 6349 
What's best 6349 
Options, options... 6349 
Actually, it is not so bad. 6349 
Other compromises... 6348 
Cathode vs. fixed with DHT 6347 
Is it glowing yet? 6327 
It is comming.... 6327 
The new MF channel. 6321 
I started to work on the Milq’s DHT Island. 6320 
Innerstage loading vs. OPT loading. 6312 
The intestage loading talk. 6309 
My playback feels like it is broken. 6304 
1 in 50? 6304 
Yes, it was after PP2000 6304 
Die Walküre soldering. 6303 
The post Die Walküre soldering 6302 
Another amp arond YO186 6301 
Gain? 6301 
The Unexpected problem with DHT Milq. 6301 
Simple is good 6300 
Ok, I am moving forward. 6300 
The Milq DSET is up. 6299 
My DH DSET – 2 days later. 6297 
Here is more data to reconcile. 6297 
Hm, that is interesting and unpleasant so far. 6296 
Ok, what do I want? 6296 
Let Go of Some Conceptual "Restrictions"? 6296 
The Milq DH DSET, the further thoughts in progress. 6296 
Crunching Numbers; Shaping Sound 6296 
How about the tweeter? 6295 
Tweeter Efficiency? 6295 
Safe and Sound 6295 
More mystery with tweeter but still on the subject. 6295 
Some clarifications. 6295 
How about that?!!! 6295 
Further considerations: DC-coupling. 6293 
Head Room 6293 
To kill the mandatory 13dB 6292 
DC coupling and killing 13db and driving 6e5p miller and.... 6292 
I do not think that it might be damaging… 6292 
Again with the PS 6292 
AKA J.C. Morrison’s amp but… 6290 
Parallel Universe 6290 
Melquiades HD MF DSET, Draft13. 6288 
Why I let other people build them... 6288 
Ok, it's going to right direction. 6288 
Ok, it looks already very close…. 6287 
The Loftinish-Whitish, well sort of…. 6284 
MF: the pre-final version. 6284 
Loftin-White? 6284 
Did anyone hear the PX4 amplifiers? 6284 
What Could use Improving at This Point? 6284 
The Milq’s MF front-end is done 6280 
Why I Let Other People Build Them, II 6280 
Define really quiet 6279 
Another variable of sound 6279 
Backlash? 6279 
Alternative filament supplies 6279 
I kind of faced a problem with AC 6279 
Going down the DC path 6278 
It is not about the “whole sound” but about “molec... 6278 
Molecular sound 6278 
AC-DC heater supply 6278 
The Tentlabs are $10 worth PS. 6278 
The unexpected resolution of AC vs. DC quandary. 6278 
The devil is less scared than it depicted. 6278 
Hiss or Hum 6278 
AC transformers 6278 
I have seen the Promised Land 6277 
OK, the choke noise is not a problem anymore 6277 
Ok, it is working fine but… 6276 
Divide and Conquer 6276 
The design phase is over. 6275 
The unexpected insanity! 6274 
Loading 6274 
Looking for inspiring ideas for 'universal' loadin... 6274 
A filaments Sherlock Holmes wanted. 6274 
Going the Distance 6274 
Read the f*** manual! 6274 
Agreed. 6274 
I agree 6274 
The filament transformer 6274 
Center-tap and options 6274 
Something like this…. 6274 
Avoiding "Dial-an-Amp" 6274 
The foreplay is going on. 6274 
Split balance 6273 
Further thoughts about my DH filaments 6273 
The Shuguang 2A3 tubes. 6273 
SHuguang 6273 
Going through…. 6272 
The 2.5V noise vs. 4V noise. 6271 
More about Shuguang 2A3C 6271 
Hum vs voltage 6271 
Meow about the tubes… 6271 
To Be a Content Cat 6271 
Completed! 6268 
Tradition 6268 
Absolutely beautiful! 6268 
The 'film' caps in PS 6267 
Science or religion 6267 
Mass Extinction 6267 
Electrolytics, technology and time 6267 
No more questions about PS capacitors. 6267 
Capacitor choices 6267 
Good time. Welcome back. Thanks God. 6266 
The minor day of Quartets. 6266 
Them's the Breaks 6266 
Eventually! 6265 
So Soon? 6265 
DHT MF channel and 6-ch amp: first conclusions 6265 
All Abuzz about Nothing 6264 
The wire for DC-coupling 6264 
The Dirt on DIY Backlash 6264 
DSET vs. the “better tubes”. 6264 
How to test the DH tubes properly? 6263 
Pairing up tubes for SE use 6262 
The DHT live reserve 6261 
Some interestng models 6261 
Eaten alive. 6261 
The tubey déjà vu? 6260 
The new concept of my output transformer. 6256 
The 4V takes a lead. 6252 
Listening the DH and the striped down version of M... 6249 
I kind of slowly learn what I need. 6249 
More HF from a transformer and DHT? 6247 
Since You Don't Need the Gain 6246 
Exiting the design mode? 6246 
Bye-bye the input divider on MF! 6246 
A few steps back and a gaint leap ahead. 6242 
Single-stage vs. DHT amp. 6241 
Setting up the new Playback 6240 
And the winner is… so far 6237 
If you like type 45... 6237 
Type 45... they're not all the same 6237 
Favorite Flavor? 6237 
The 45 times Meow... 6237 
The problem that I see is… 6237 
Running the 45 6237 
The 10Y...and bye bye Newton 6236 
The commentaries about everything. 6236 
Driver tube and biasing 6236 
DHT drivers 6236 
The ideas are worth trying? 6236 
A question about the polishing the things…. 6232 
The Particular Tube, I'm afraid... 6232 
Driving the 45... cathode first 6231 
ST or Globe; old or new... 6231 
Whatever sticks to the wall as an operation point ... 6231 
The attenuating crap in secondary. 6231 
Operating points and cathode current 6231 
The Burgeoning Opportunities! 6231 
Actually it is not so simple. 6231 
Resistors at the front 6230 
A minor alternation of a position 6230 
The era of enlightenment. 6227 
The devil is in the details.... 6227 
Constructing Sound 6227 
A new view on the DHT evaluation. 6226 
The “strange” YO186 6217 
The dead guy’s lessons. 6172 
2S4S and 2A3 6163 
Ho to use the YO186 6156 
YO 186 fundamental flavor 6156 
The YO-YO tube and "fundamentals" channel 6156 
The live without the YO186, again.... 6154 
Not anymore! 6143 
The very good YoYonisation! 6142 
….above and below two very clean channel. 6141 
The DHT and esoteric imaging deformation. 6128 
DHT, YO186, or??? 6128 
I had no idea how ‘different’ it is. 6075 
The Kazitsky Manufacturing and YO104, some history. 6074 
"Absolution and Eternal Refuge." 6071 
Sofia Electric Type 45 Mesh 6061 
The true association of YO186's Sounds. 5823 
All the Best from Burgundy 5823 
Cheesy tubes 5822 
Me and my DHT references… 5713 
Y0-186 in winter. 5616 
Y0-186 sounds like… 5615 
Rethinking the YO186 tube. 5584 
In My Dreams 5584 
Grunt from type 45? A ridicules comment. 5584 
Blame? 5583 
When good is not good enough. 5583 
45s, Drivers, and 45s 5583 
Hm, that was so simple after all! 5582 
How the YO186 was used. 5166 
What is old is new? 5165 
YO186 vs. type 45. 5164 
The YO186 is gone.... :-( 4713 
That sucks. 4713 
YO186 4711 
Hm, what the hell is going on? 4711 
I do not think that anybody but me would like YO186 4711 
A hallucination? 4708 
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