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Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques
Thread WITH the new posts.

Legends: "Week" - last week posts, "Bold" - entered last 48 hours.
Single-stage Melquiades vs. DHT amps 6230 
One-stage Milq++ and the DHT's alleged tone 6229 
DHT Milq? 6229 
The DHT journey. 6229 
DHT tone 6229 
Well, why not? 6228 
Holding the Fort 6228 
My DHT experiment: Preface 6228 
Input tube and DC heaters 6227 
Reimyo Pat 777 6227 
My DHT experiment: Observations 6223 
DHT or 300B? 6223 
300B 6223 
Talking, perception and the grounds for objectively 6223 
The Wine Via the Wine Glass 6222 
Hence the confusion 6222 
My DHT experiment: some conclusions. 6222 
Reality Reconstruction is not a functionality. 6222 
My experience with DHTs 6222 
Pigmented coloration? 6222 
Dht-dht 6222 
Dynamic viscosity? 6222 
The Pallette preamp... 6222 
If one DHT is good, two must be better? 6222 
"soul" of tubes 6222 
There is a difference... 6222 
Vibration injection? 6222 
Homework # 4334 6222 
The 01A-71A-10Y-45 chain 6222 
Old valves have more soul! 6221 
Was it soul or soil? 6221 
It was just a heading 6221 
Adjustable color: TIMBRE LOCK? 6221 
Neutral or neutral/uncoloured? 6221 
..are lacking in power, dynamics and bandwidth. 6221 
Timbre-Lock. Not quite ready for prime time. 6221 
Injection of analog dither? 6221 
Subliminal signal 6221 
The idea of analog randomanization. 6221 
Okay, what Avicena Power Generator 6221 
I hope you will be hearing about it. 6220 
Avicenna = Arabian 6220 
Persian, not Arab 6220 
The “second solution” - a major disappointment 6220 
More words to describe "sux" please 6220 
Revolution 6220 
The non-melodramatic DHT? 6220 
One-stage DHTs 6219 
One other thing 6219 
One stage 6219 
Brewing, thinking and heating 6219 
Physical characteristics of electronic devices 6219 
I see the things differently. 6219 
Don't waste time being "creative" 6219 
The audiophile attitude 6219 
The where and why of design choices 6219 
Blah blah blah 6219 
Laconic Clarity vs. Comfort vs. Nostalgia 6219 
Do I need to be hissing? 6219 
...associated with lack of neutrality and colorati... 6219 
John Broskie's Partial feedback amplifier 6219 
Randomness vs. freedom and the Homework # 4334 6218 
What is randomness? 6218 
Those least three possibilities… 6218 
Randomness and Music's Prerogative 6218 
It works, … sort of. The revolution is canceled. 6218 
Thorsten Loesch’s article about DHT SETs 6216 
A Beautiful Mind 6215 
Some summary and conclusions from the first phase. 6213 
Second phase: revising requirement for my DHT objectives. 6198 
Tubes for your DHT amp 6198 
Abandoning Milq? 6198 
Will see how it goes.... 6198 
Single-stage Milq vs. Sun Audio VT-2A3 6196 
Topology and 2A3? 6196 
6SN7-2A3 amps? 6196 
Type Casting 6196 
Sun Audio SV-2A3 6196 
6sn7-2a3 6196 
Topology vs parts 6196 
For a DHT amp, you are listening to the power supply 6196 
The vintage tubes syndrome. 6196 
Parts Frenzy 6196 
Too many new sounds 6196 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6195 
New tubes 6194 
Milq bias vs. batery bias 6194 
The batteries are a tricky thing. 6194 
Swimming the ocean at night? 6194 
New 2A3 6194 
To kill of do not kill the capacitor. 6193 
The JJ Electronic amp. 6192 
JJ 2A3 and amp 6192 
Czech tubes 6190 
Single plated vs Double plated? 6190 
Mono plate 2A3 tubes 6190 
I suggested once VT52 tube 6189 
The 800R vs. 1800R vs. 5500R 6189 
YO-186 as the output tube. 6186 
Here she is. 6185 
Some talks about the new production tubes 6181 
New 2A3 tubes 6181 
Some thoughts about one-IHT vs. multiple-DHT 6181 
The Sun Audio with 6E5P 6180 
Multistage DHT circuits 6179 
Wrong tube or wrong topology – here is the question. 6178 
Emission Labs 2A3 6178 
Some comment and questions about then 2A3 talks. 6178 
Which Chinese 2A3? 6178 
OK, for a first time I like the San Audio Kit. 6178 
The YO186 Strip Show 6178 
More on the 2A3 comparisons 6177 
It will be interesting…. 6177 
OPT impedence 6177 
More about the Plate Loading 6177 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6172 
2A3 data 6172 
The New 2A3 tubes 6172 
How many stages I need for 110dB sensitivity, smal... 6172 
How many stages and why... and who makes that 45 o... 6171 
Everything about everything. 6171 
Some very good points... and... possibly more logi... 6171 
Options, options, options.... 6171 
I think we agree overall 6171 
An IDHT with more gain? 6170 
You don't ask for much now, eh? 6170 
2A3 tube impressions 6165 
Interesting analogy 6165 
NOS 2A3 tubes versus new tubes 6165 
Hmmm, let me try this one again... 6165 
Sylvania 2A3 identification 6165 
A picture is worth a thousand micromhos? 6165 
I have more interest in the period tubes 6165 
Why NOS tubes? 6164 
The Holly Ignorance 6164 
Tube tasting 6164 
The cathodes’ flatulence? 6164 
Make mine thoriated please 6164 
Any Germans out there? 6164 
6E5P VS 6E6P 6164 
Vibrations? What do you with them? 6164 
Vibration in tubes and sounds 6164 
UX4 vs UX4ruskie 6163 
Ringing the tubes? I do not know how about that. 6163 
Tube sound and vibration 6163 
The thoughts collection about YO186? 6157 
The lights look green for the YO tube 6156 
"Melquiades" with YO-186. Something like... 6156 
My version of RE-604 and PX4 6155 
The YO186 tube sockets. 6155 
B4/B5 British made 6154 
The YO186’s sockets and prices 6154 
DHT 2A3 amplifier rectification 6153 
My attitude toward tube rectification. 6153 
Tu-be or not Tu-be, seems Tu-be the question. 6152 
It looks like DHT DSET is shaping up. 6151 
The Sylvania 2A3 NOS report 6148 
The Citizen Kane syndrome. 6148 
Sylvania 2A3 in a World without Color 6147 
Are NOS and new manufacture comparing oranges to o... 6147 
That all is incorrect in a way…. 6147 
NOS vs new 2A3 tubes 6147 
The identical operation environment? 6147 
Preferred 2A3 operating point 6147 
The sound of the 2A3 however? 6147 
Circuit modification for 2A3 optimization 6146 
How to get max power from 2A3 6146 
2A3 voltages, loads and realized output power 6146 
Optimal operation of 2A3: an experiment 6146 
Tubes, Whole Circuits, Expectations and Sound 6146 
Gain is not power. 6146 
2A3 amplifier modification & Optimization 6146 
Specialized DSET approach 6146 
6C33/2A3 DSET? 6146 
SET usable power and making the most of it 6146 
The 2A3 loading 6146 
DSET solution for EdgarHorn? 6146 
Optimizing the 2A3 6146 
How much to DSET a DSET 6146 
DSET for Titan 6146 
The Best of All Worlds 6146 
Multiamp setup 6145 
Optimizing the (NOS) 2A3... "KM-style"? 6145 
There are many opportunities, it all depends what ... 6145 
Modifying amplifer to optimize NOS 2A3 performance 6145 
Conceptualizing Melquiades DSET is done 6139 
2A3 and 400V supply 6139 
Pudding and the chicken wires 6138 
Another shot at numbers 6138 
How to cook the "uninformed" anode. 6138 
Okay, so this might work.... 6138 
The DHT Milq DSET, the prebuilt draft. 6138 
Looks good, but.... 6137 
2A3 with slightly lover filament voltage? 6137 
Less is more... usually. 6137 
Where to burn gain? how? and where to get beter st... 6136 
Stepping Out 6136 
Said to be good, but 6136 
Gain to lose 6136 
Why nothing is simple with this damn amp! 6136 
Another idea for losing gain 6136 
What's best 6136 
Options, options... 6136 
Actually, it is not so bad. 6136 
Other compromises... 6135 
Cathode vs. fixed with DHT 6134 
Is it glowing yet? 6114 
It is comming.... 6114 
The new MF channel. 6108 
I started to work on the Milq’s DHT Island. 6107 
Innerstage loading vs. OPT loading. 6099 
The intestage loading talk. 6096 
My playback feels like it is broken. 6091 
1 in 50? 6091 
Yes, it was after PP2000 6091 
Die Walküre soldering. 6090 
The post Die Walküre soldering 6089 
Another amp arond YO186 6088 
Gain? 6088 
The Unexpected problem with DHT Milq. 6088 
Simple is good 6087 
Ok, I am moving forward. 6087 
The Milq DSET is up. 6086 
My DH DSET – 2 days later. 6084 
Here is more data to reconcile. 6084 
Hm, that is interesting and unpleasant so far. 6083 
Ok, what do I want? 6083 
Let Go of Some Conceptual "Restrictions"? 6083 
The Milq DH DSET, the further thoughts in progress. 6083 
Crunching Numbers; Shaping Sound 6083 
How about the tweeter? 6082 
Tweeter Efficiency? 6082 
Safe and Sound 6082 
More mystery with tweeter but still on the subject. 6082 
Some clarifications. 6082 
How about that?!!! 6082 
Further considerations: DC-coupling. 6080 
Head Room 6080 
To kill the mandatory 13dB 6079 
DC coupling and killing 13db and driving 6e5p miller and.... 6079 
I do not think that it might be damaging… 6079 
Again with the PS 6079 
AKA J.C. Morrison’s amp but… 6077 
Parallel Universe 6077 
Melquiades HD MF DSET, Draft13. 6075 
Why I let other people build them... 6075 
Ok, it's going to right direction. 6075 
Ok, it looks already very close…. 6074 
The Loftinish-Whitish, well sort of…. 6071 
MF: the pre-final version. 6071 
Loftin-White? 6071 
Did anyone hear the PX4 amplifiers? 6071 
What Could use Improving at This Point? 6071 
The Milq’s MF front-end is done 6067 
Why I Let Other People Build Them, II 6067 
Define really quiet 6066 
Another variable of sound 6066 
Backlash? 6066 
Alternative filament supplies 6066 
I kind of faced a problem with AC 6066 
Going down the DC path 6065 
It is not about the “whole sound” but about “molec... 6065 
Molecular sound 6065 
AC-DC heater supply 6065 
The Tentlabs are $10 worth PS. 6065 
The unexpected resolution of AC vs. DC quandary. 6065 
The devil is less scared than it depicted. 6065 
Hiss or Hum 6065 
AC transformers 6065 
I have seen the Promised Land 6064 
OK, the choke noise is not a problem anymore 6064 
Ok, it is working fine but… 6063 
Divide and Conquer 6063 
The design phase is over. 6062 
The unexpected insanity! 6061 
Loading 6061 
Looking for inspiring ideas for 'universal' loadin... 6061 
A filaments Sherlock Holmes wanted. 6061 
Going the Distance 6061 
Read the f*** manual! 6061 
Agreed. 6061 
I agree 6061 
The filament transformer 6061 
Center-tap and options 6061 
Something like this…. 6061 
Avoiding "Dial-an-Amp" 6061 
The foreplay is going on. 6061 
Split balance 6060 
Further thoughts about my DH filaments 6060 
The Shuguang 2A3 tubes. 6060 
SHuguang 6060 
Going through…. 6059 
The 2.5V noise vs. 4V noise. 6058 
More about Shuguang 2A3C 6058 
Hum vs voltage 6058 
Meow about the tubes… 6058 
To Be a Content Cat 6058 
Completed! 6055 
Tradition 6055 
Absolutely beautiful! 6055 
The 'film' caps in PS 6054 
Science or religion 6054 
Mass Extinction 6054 
Electrolytics, technology and time 6054 
No more questions about PS capacitors. 6054 
Capacitor choices 6054 
Good time. Welcome back. Thanks God. 6053 
The minor day of Quartets. 6053 
Them's the Breaks 6053 
Eventually! 6052 
So Soon? 6052 
DHT MF channel and 6-ch amp: first conclusions 6052 
All Abuzz about Nothing 6051 
The wire for DC-coupling 6051 
The Dirt on DIY Backlash 6051 
DSET vs. the “better tubes”. 6051 
How to test the DH tubes properly? 6050 
Pairing up tubes for SE use 6049 
The DHT live reserve 6048 
Some interestng models 6048 
Eaten alive. 6048 
The tubey déjà vu? 6047 
The new concept of my output transformer. 6043 
The 4V takes a lead. 6039 
Listening the DH and the striped down version of M... 6036 
I kind of slowly learn what I need. 6036 
More HF from a transformer and DHT? 6034 
Since You Don't Need the Gain 6033 
Exiting the design mode? 6033 
Bye-bye the input divider on MF! 6033 
A few steps back and a gaint leap ahead. 6029 
Single-stage vs. DHT amp. 6028 
Setting up the new Playback 6027 
And the winner is… so far 6024 
If you like type 45... 6024 
Type 45... they're not all the same 6024 
Favorite Flavor? 6024 
The 45 times Meow... 6024 
The problem that I see is… 6024 
Running the 45 6024 
The 10Y...and bye bye Newton 6023 
The commentaries about everything. 6023 
Driver tube and biasing 6023 
DHT drivers 6023 
The ideas are worth trying? 6023 
A question about the polishing the things…. 6019 
The Particular Tube, I'm afraid... 6019 
Driving the 45... cathode first 6018 
ST or Globe; old or new... 6018 
Whatever sticks to the wall as an operation point ... 6018 
The attenuating crap in secondary. 6018 
Operating points and cathode current 6018 
The Burgeoning Opportunities! 6018 
Actually it is not so simple. 6018 
Resistors at the front 6017 
A minor alternation of a position 6017 
The era of enlightenment. 6014 
The devil is in the details.... 6014 
Constructing Sound 6014 
A new view on the DHT evaluation. 6013 
The “strange” YO186 6004 
The dead guy’s lessons. 5959 
2S4S and 2A3 5950 
Ho to use the YO186 5943 
YO 186 fundamental flavor 5943 
The YO-YO tube and "fundamentals" channel 5943 
The live without the YO186, again.... 5941 
Not anymore! 5930 
The very good YoYonisation! 5929 
….above and below two very clean channel. 5928 
The DHT and esoteric imaging deformation. 5915 
DHT, YO186, or??? 5915 
I had no idea how ‘different’ it is. 5862 
The Kazitsky Manufacturing and YO104, some history. 5861 
"Absolution and Eternal Refuge." 5858 
Sofia Electric Type 45 Mesh 5848 
The true association of YO186's Sounds. 5610 
All the Best from Burgundy 5610 
Cheesy tubes 5609 
Me and my DHT references… 5500 
Y0-186 in winter. 5403 
Y0-186 sounds like… 5402 
Rethinking the YO186 tube. 5371 
In My Dreams 5371 
Grunt from type 45? A ridicules comment. 5371 
Blame? 5370 
When good is not good enough. 5370 
45s, Drivers, and 45s 5370 
Hm, that was so simple after all! 5369 
How the YO186 was used. 4953 
What is old is new? 4952 
YO186 vs. type 45. 4951 
The YO186 is gone.... :-( 4500 
That sucks. 4500 
YO186 4498 
Hm, what the hell is going on? 4498 
I do not think that anybody but me would like YO186 4498 
A hallucination? 4495 
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