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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 6444 
One-stage Milq++ and the DHT's alleged tone 6443 
DHT Milq? 6443 
The DHT journey. 6443 
DHT tone 6443 
Well, why not? 6442 
Holding the Fort 6442 
My DHT experiment: Preface 6442 
Input tube and DC heaters 6441 
Reimyo Pat 777 6441 
My DHT experiment: Observations 6437 
DHT or 300B? 6437 
300B 6437 
Talking, perception and the grounds for objectively 6437 
The Wine Via the Wine Glass 6436 
Hence the confusion 6436 
My DHT experiment: some conclusions. 6436 
Reality Reconstruction is not a functionality. 6436 
My experience with DHTs 6436 
Pigmented coloration? 6436 
Dht-dht 6436 
Dynamic viscosity? 6436 
The Pallette preamp... 6436 
If one DHT is good, two must be better? 6436 
"soul" of tubes 6436 
There is a difference... 6436 
Vibration injection? 6436 
Homework # 4334 6436 
The 01A-71A-10Y-45 chain 6436 
Old valves have more soul! 6435 
Was it soul or soil? 6435 
It was just a heading 6435 
Adjustable color: TIMBRE LOCK? 6435 
Neutral or neutral/uncoloured? 6435 
..are lacking in power, dynamics and bandwidth. 6435 
Timbre-Lock. Not quite ready for prime time. 6435 
Injection of analog dither? 6435 
Subliminal signal 6435 
The idea of analog randomanization. 6435 
Okay, what Avicena Power Generator 6435 
I hope you will be hearing about it. 6434 
Avicenna = Arabian 6434 
Persian, not Arab 6434 
The “second solution” - a major disappointment 6434 
More words to describe "sux" please 6434 
Revolution 6434 
The non-melodramatic DHT? 6434 
One-stage DHTs 6433 
One other thing 6433 
One stage 6433 
Brewing, thinking and heating 6433 
Physical characteristics of electronic devices 6433 
I see the things differently. 6433 
Don't waste time being "creative" 6433 
The audiophile attitude 6433 
The where and why of design choices 6433 
Blah blah blah 6433 
Laconic Clarity vs. Comfort vs. Nostalgia 6433 
Do I need to be hissing? 6433 
...associated with lack of neutrality and colorati... 6433 
John Broskie's Partial feedback amplifier 6433 
Randomness vs. freedom and the Homework # 4334 6432 
What is randomness? 6432 
Those least three possibilities… 6432 
Randomness and Music's Prerogative 6432 
It works, … sort of. The revolution is canceled. 6432 
Thorsten Loesch’s article about DHT SETs 6430 
A Beautiful Mind 6429 
Some summary and conclusions from the first phase. 6427 
Second phase: revising requirement for my DHT objectives. 6412 
Tubes for your DHT amp 6412 
Abandoning Milq? 6412 
Will see how it goes.... 6412 
Single-stage Milq vs. Sun Audio VT-2A3 6410 
Topology and 2A3? 6410 
6SN7-2A3 amps? 6410 
Type Casting 6410 
Sun Audio SV-2A3 6410 
6sn7-2a3 6410 
Topology vs parts 6410 
For a DHT amp, you are listening to the power supply 6410 
The vintage tubes syndrome. 6410 
Parts Frenzy 6410 
Too many new sounds 6410 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6409 
New tubes 6408 
Milq bias vs. batery bias 6408 
The batteries are a tricky thing. 6408 
Swimming the ocean at night? 6408 
New 2A3 6408 
To kill of do not kill the capacitor. 6407 
The JJ Electronic amp. 6406 
JJ 2A3 and amp 6406 
Czech tubes 6404 
Single plated vs Double plated? 6404 
Mono plate 2A3 tubes 6404 
I suggested once VT52 tube 6403 
The 800R vs. 1800R vs. 5500R 6403 
YO-186 as the output tube. 6400 
Here she is. 6399 
Some talks about the new production tubes 6395 
New 2A3 tubes 6395 
Some thoughts about one-IHT vs. multiple-DHT 6395 
The Sun Audio with 6E5P 6394 
Multistage DHT circuits 6393 
Wrong tube or wrong topology – here is the question. 6392 
Emission Labs 2A3 6392 
Some comment and questions about then 2A3 talks. 6392 
Which Chinese 2A3? 6392 
OK, for a first time I like the San Audio Kit. 6392 
The YO186 Strip Show 6392 
More on the 2A3 comparisons 6391 
It will be interesting…. 6391 
OPT impedence 6391 
More about the Plate Loading 6391 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6386 
2A3 data 6386 
The New 2A3 tubes 6386 
How many stages I need for 110dB sensitivity, smal... 6386 
How many stages and why... and who makes that 45 o... 6385 
Everything about everything. 6385 
Some very good points... and... possibly more logi... 6385 
Options, options, options.... 6385 
I think we agree overall 6385 
An IDHT with more gain? 6384 
You don't ask for much now, eh? 6384 
2A3 tube impressions 6379 
Interesting analogy 6379 
NOS 2A3 tubes versus new tubes 6379 
Hmmm, let me try this one again... 6379 
Sylvania 2A3 identification 6379 
A picture is worth a thousand micromhos? 6379 
I have more interest in the period tubes 6379 
Why NOS tubes? 6378 
The Holly Ignorance 6378 
Tube tasting 6378 
The cathodes’ flatulence? 6378 
Make mine thoriated please 6378 
Any Germans out there? 6378 
6E5P VS 6E6P 6378 
Vibrations? What do you with them? 6378 
Vibration in tubes and sounds 6378 
UX4 vs UX4ruskie 6377 
Ringing the tubes? I do not know how about that. 6377 
Tube sound and vibration 6377 
The thoughts collection about YO186? 6371 
The lights look green for the YO tube 6370 
"Melquiades" with YO-186. Something like... 6370 
My version of RE-604 and PX4 6369 
The YO186 tube sockets. 6369 
B4/B5 British made 6368 
The YO186’s sockets and prices 6368 
DHT 2A3 amplifier rectification 6367 
My attitude toward tube rectification. 6367 
Tu-be or not Tu-be, seems Tu-be the question. 6366 
It looks like DHT DSET is shaping up. 6365 
The Sylvania 2A3 NOS report 6362 
The Citizen Kane syndrome. 6362 
Sylvania 2A3 in a World without Color 6361 
Are NOS and new manufacture comparing oranges to o... 6361 
That all is incorrect in a way…. 6361 
NOS vs new 2A3 tubes 6361 
The identical operation environment? 6361 
Preferred 2A3 operating point 6361 
The sound of the 2A3 however? 6361 
Circuit modification for 2A3 optimization 6360 
How to get max power from 2A3 6360 
2A3 voltages, loads and realized output power 6360 
Optimal operation of 2A3: an experiment 6360 
Tubes, Whole Circuits, Expectations and Sound 6360 
Gain is not power. 6360 
2A3 amplifier modification & Optimization 6360 
Specialized DSET approach 6360 
6C33/2A3 DSET? 6360 
SET usable power and making the most of it 6360 
The 2A3 loading 6360 
DSET solution for EdgarHorn? 6360 
Optimizing the 2A3 6360 
How much to DSET a DSET 6360 
DSET for Titan 6360 
The Best of All Worlds 6360 
Multiamp setup 6359 
Optimizing the (NOS) 2A3... "KM-style"? 6359 
There are many opportunities, it all depends what ... 6359 
Modifying amplifer to optimize NOS 2A3 performance 6359 
Conceptualizing Melquiades DSET is done 6353 
2A3 and 400V supply 6353 
Pudding and the chicken wires 6352 
Another shot at numbers 6352 
How to cook the "uninformed" anode. 6352 
Okay, so this might work.... 6352 
The DHT Milq DSET, the prebuilt draft. 6352 
Looks good, but.... 6351 
2A3 with slightly lover filament voltage? 6351 
Less is more... usually. 6351 
Where to burn gain? how? and where to get beter st... 6350 
Stepping Out 6350 
Said to be good, but 6350 
Gain to lose 6350 
Why nothing is simple with this damn amp! 6350 
Another idea for losing gain 6350 
What's best 6350 
Options, options... 6350 
Actually, it is not so bad. 6350 
Other compromises... 6349 
Cathode vs. fixed with DHT 6348 
Is it glowing yet? 6328 
It is comming.... 6328 
The new MF channel. 6322 
I started to work on the Milq’s DHT Island. 6321 
Innerstage loading vs. OPT loading. 6313 
The intestage loading talk. 6310 
My playback feels like it is broken. 6305 
1 in 50? 6305 
Yes, it was after PP2000 6305 
Die Walküre soldering. 6304 
The post Die Walküre soldering 6303 
Another amp arond YO186 6302 
Gain? 6302 
The Unexpected problem with DHT Milq. 6302 
Simple is good 6301 
Ok, I am moving forward. 6301 
The Milq DSET is up. 6300 
My DH DSET – 2 days later. 6298 
Here is more data to reconcile. 6298 
Hm, that is interesting and unpleasant so far. 6297 
Ok, what do I want? 6297 
Let Go of Some Conceptual "Restrictions"? 6297 
The Milq DH DSET, the further thoughts in progress. 6297 
Crunching Numbers; Shaping Sound 6297 
How about the tweeter? 6296 
Tweeter Efficiency? 6296 
Safe and Sound 6296 
More mystery with tweeter but still on the subject. 6296 
Some clarifications. 6296 
How about that?!!! 6296 
Further considerations: DC-coupling. 6294 
Head Room 6294 
To kill the mandatory 13dB 6293 
DC coupling and killing 13db and driving 6e5p miller and.... 6293 
I do not think that it might be damaging… 6293 
Again with the PS 6293 
AKA J.C. Morrison’s amp but… 6291 
Parallel Universe 6291 
Melquiades HD MF DSET, Draft13. 6289 
Why I let other people build them... 6289 
Ok, it's going to right direction. 6289 
Ok, it looks already very close…. 6288 
The Loftinish-Whitish, well sort of…. 6285 
MF: the pre-final version. 6285 
Loftin-White? 6285 
Did anyone hear the PX4 amplifiers? 6285 
What Could use Improving at This Point? 6285 
The Milq’s MF front-end is done 6281 
Why I Let Other People Build Them, II 6281 
Define really quiet 6280 
Another variable of sound 6280 
Backlash? 6280 
Alternative filament supplies 6280 
I kind of faced a problem with AC 6280 
Going down the DC path 6279 
It is not about the “whole sound” but about “molec... 6279 
Molecular sound 6279 
AC-DC heater supply 6279 
The Tentlabs are $10 worth PS. 6279 
The unexpected resolution of AC vs. DC quandary. 6279 
The devil is less scared than it depicted. 6279 
Hiss or Hum 6279 
AC transformers 6279 
I have seen the Promised Land 6278 
OK, the choke noise is not a problem anymore 6278 
Ok, it is working fine but… 6277 
Divide and Conquer 6277 
The design phase is over. 6276 
The unexpected insanity! 6275 
Loading 6275 
Looking for inspiring ideas for 'universal' loadin... 6275 
A filaments Sherlock Holmes wanted. 6275 
Going the Distance 6275 
Read the f*** manual! 6275 
Agreed. 6275 
I agree 6275 
The filament transformer 6275 
Center-tap and options 6275 
Something like this…. 6275 
Avoiding "Dial-an-Amp" 6275 
The foreplay is going on. 6275 
Split balance 6274 
Further thoughts about my DH filaments 6274 
The Shuguang 2A3 tubes. 6274 
SHuguang 6274 
Going through…. 6273 
The 2.5V noise vs. 4V noise. 6272 
More about Shuguang 2A3C 6272 
Hum vs voltage 6272 
Meow about the tubes… 6272 
To Be a Content Cat 6272 
Completed! 6269 
Tradition 6269 
Absolutely beautiful! 6269 
The 'film' caps in PS 6268 
Science or religion 6268 
Mass Extinction 6268 
Electrolytics, technology and time 6268 
No more questions about PS capacitors. 6268 
Capacitor choices 6268 
Good time. Welcome back. Thanks God. 6267 
The minor day of Quartets. 6267 
Them's the Breaks 6267 
Eventually! 6266 
So Soon? 6266 
DHT MF channel and 6-ch amp: first conclusions 6266 
All Abuzz about Nothing 6265 
The wire for DC-coupling 6265 
The Dirt on DIY Backlash 6265 
DSET vs. the “better tubes”. 6265 
How to test the DH tubes properly? 6264 
Pairing up tubes for SE use 6263 
The DHT live reserve 6262 
Some interestng models 6262 
Eaten alive. 6262 
The tubey déjà vu? 6261 
The new concept of my output transformer. 6257 
The 4V takes a lead. 6253 
Listening the DH and the striped down version of M... 6250 
I kind of slowly learn what I need. 6250 
More HF from a transformer and DHT? 6248 
Since You Don't Need the Gain 6247 
Exiting the design mode? 6247 
Bye-bye the input divider on MF! 6247 
A few steps back and a gaint leap ahead. 6243 
Single-stage vs. DHT amp. 6242 
Setting up the new Playback 6241 
And the winner is… so far 6238 
If you like type 45... 6238 
Type 45... they're not all the same 6238 
Favorite Flavor? 6238 
The 45 times Meow... 6238 
The problem that I see is… 6238 
Running the 45 6238 
The 10Y...and bye bye Newton 6237 
The commentaries about everything. 6237 
Driver tube and biasing 6237 
DHT drivers 6237 
The ideas are worth trying? 6237 
A question about the polishing the things…. 6233 
The Particular Tube, I'm afraid... 6233 
Driving the 45... cathode first 6232 
ST or Globe; old or new... 6232 
Whatever sticks to the wall as an operation point ... 6232 
The attenuating crap in secondary. 6232 
Operating points and cathode current 6232 
The Burgeoning Opportunities! 6232 
Actually it is not so simple. 6232 
Resistors at the front 6231 
A minor alternation of a position 6231 
The era of enlightenment. 6228 
The devil is in the details.... 6228 
Constructing Sound 6228 
A new view on the DHT evaluation. 6227 
The “strange” YO186 6218 
The dead guy’s lessons. 6173 
2S4S and 2A3 6164 
Ho to use the YO186 6157 
YO 186 fundamental flavor 6157 
The YO-YO tube and "fundamentals" channel 6157 
The live without the YO186, again.... 6155 
Not anymore! 6144 
The very good YoYonisation! 6143 
….above and below two very clean channel. 6142 
The DHT and esoteric imaging deformation. 6129 
DHT, YO186, or??? 6129 
I had no idea how ‘different’ it is. 6076 
The Kazitsky Manufacturing and YO104, some history. 6075 
"Absolution and Eternal Refuge." 6072 
Sofia Electric Type 45 Mesh 6062 
The true association of YO186's Sounds. 5824 
All the Best from Burgundy 5824 
Cheesy tubes 5823 
Me and my DHT references… 5714 
Y0-186 in winter. 5617 
Y0-186 sounds like… 5616 
Rethinking the YO186 tube. 5585 
In My Dreams 5585 
Grunt from type 45? A ridicules comment. 5585 
Blame? 5584 
When good is not good enough. 5584 
45s, Drivers, and 45s 5584 
Hm, that was so simple after all! 5583 
How the YO186 was used. 5167 
What is old is new? 5166 
YO186 vs. type 45. 5165 
The YO186 is gone.... :-( 4714 
That sucks. 4714 
YO186 4712 
Hm, what the hell is going on? 4712 
I do not think that anybody but me would like YO186 4712 
A hallucination? 4709 
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