Site by Roman Bessnow
GoodSoundClub's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
Site News: 13 Sep 2025
That posting bug has been addressed.
Romy The Cat's Playback
Audio Knowledge Tree ™
Romy's "Audio Rules"
Audiophile Satire
Melquiades SET Amplifier
Macondo Acoustic System
End of Life Phonostage
Audio Demoronizator AD-1
My Exotic Audio Leftovers
My Playback System
Random Site's Threads
» Dannoy 2021 Loudspeakers
» The single-ended pretens»
» Commercial Air Blower Io»
» How to train respect aud»
» What 10k Buys You These »
» Le Poeme Harmonique
» Lower cost horn loaded a»
» Synergy Horn
» About Harry Pearson lega»
» Beautiful Mahler Lieder
» October surprise. NY, NY»
» Who makes good L-Pads?
» The Andrew Rose’s “Prist»
» Orchestra of 32 Loudspea»
» 5 Channel Version of Mel»
» Tonearm Alignment Method
» Making it sing...
» Midbass Horns and Real E»
» Eq for 78's
» The differential diagnos»
» Midbass injection channel
» Subjective evaluation of»
» Playback and Perception »
» I am thinking about anim»
» Tanglewood 2010
» American National Record»
» The Avicenna's failure i»
» Orphean horns / BMS driv»
» Universal VTA adjustment.
» The Rafael Kubelík'»
» Bias help
» It is all about hard sur»
» Make Your Own Horns
» 3012 silicon dumping
» Hammond?
» Romy the Cat’s Audio Hom»
» The FM Radio. What a Hel»
» What about 220V 50Hz?
Bookmarked are red
Random Site Links
John Lenard Burnett's si»
Russian Music in 20th Ce»
Wood Horn Speakers
Opera Collector Guide
Tchaikovsky-Research.
Retro hi-fi blog
Audiomisc
Heart's Ease
Nornan Lebrecht's blog
Classical Music Forum
Instant Encore
Haenssler Classic
More Links »»
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 6144 
One-stage Milq++ and the DHT's alleged tone 6143 
DHT Milq? 6143 
The DHT journey. 6143 
DHT tone 6143 
Well, why not? 6142 
Holding the Fort 6142 
My DHT experiment: Preface 6142 
Input tube and DC heaters 6141 
Reimyo Pat 777 6141 
My DHT experiment: Observations 6137 
DHT or 300B? 6137 
300B 6137 
Talking, perception and the grounds for objectively 6137 
The Wine Via the Wine Glass 6136 
Hence the confusion 6136 
My DHT experiment: some conclusions. 6136 
Reality Reconstruction is not a functionality. 6136 
My experience with DHTs 6136 
Pigmented coloration? 6136 
Dht-dht 6136 
Dynamic viscosity? 6136 
The Pallette preamp... 6136 
If one DHT is good, two must be better? 6136 
"soul" of tubes 6136 
There is a difference... 6136 
Vibration injection? 6136 
Homework # 4334 6136 
The 01A-71A-10Y-45 chain 6136 
Old valves have more soul! 6135 
Was it soul or soil? 6135 
It was just a heading 6135 
Adjustable color: TIMBRE LOCK? 6135 
Neutral or neutral/uncoloured? 6135 
..are lacking in power, dynamics and bandwidth. 6135 
Timbre-Lock. Not quite ready for prime time. 6135 
Injection of analog dither? 6135 
Subliminal signal 6135 
The idea of analog randomanization. 6135 
Okay, what Avicena Power Generator 6135 
I hope you will be hearing about it. 6134 
Avicenna = Arabian 6134 
Persian, not Arab 6134 
The “second solution” - a major disappointment 6134 
More words to describe "sux" please 6134 
Revolution 6134 
The non-melodramatic DHT? 6134 
One-stage DHTs 6133 
One other thing 6133 
One stage 6133 
Brewing, thinking and heating 6133 
Physical characteristics of electronic devices 6133 
I see the things differently. 6133 
Don't waste time being "creative" 6133 
The audiophile attitude 6133 
The where and why of design choices 6133 
Blah blah blah 6133 
Laconic Clarity vs. Comfort vs. Nostalgia 6133 
Do I need to be hissing? 6133 
...associated with lack of neutrality and colorati... 6133 
John Broskie's Partial feedback amplifier 6133 
Randomness vs. freedom and the Homework # 4334 6132 
What is randomness? 6132 
Those least three possibilities… 6132 
Randomness and Music's Prerogative 6132 
It works, … sort of. The revolution is canceled. 6132 
Thorsten Loesch’s article about DHT SETs 6130 
A Beautiful Mind 6129 
Some summary and conclusions from the first phase. 6127 
Second phase: revising requirement for my DHT objectives. 6112 
Tubes for your DHT amp 6112 
Abandoning Milq? 6112 
Will see how it goes.... 6112 
Single-stage Milq vs. Sun Audio VT-2A3 6110 
Topology and 2A3? 6110 
6SN7-2A3 amps? 6110 
Type Casting 6110 
Sun Audio SV-2A3 6110 
6sn7-2a3 6110 
Topology vs parts 6110 
For a DHT amp, you are listening to the power supply 6110 
The vintage tubes syndrome. 6110 
Parts Frenzy 6110 
Too many new sounds 6110 
Milq-Sun-Audio amp, ordinary Sound, 2A3 tubes 6109 
New tubes 6108 
Milq bias vs. batery bias 6108 
The batteries are a tricky thing. 6108 
Swimming the ocean at night? 6108 
New 2A3 6108 
To kill of do not kill the capacitor. 6107 
The JJ Electronic amp. 6106 
JJ 2A3 and amp 6106 
Czech tubes 6104 
Single plated vs Double plated? 6104 
Mono plate 2A3 tubes 6104 
I suggested once VT52 tube 6103 
The 800R vs. 1800R vs. 5500R 6103 
YO-186 as the output tube. 6100 
Here she is. 6099 
Some talks about the new production tubes 6095 
New 2A3 tubes 6095 
Some thoughts about one-IHT vs. multiple-DHT 6095 
The Sun Audio with 6E5P 6094 
Multistage DHT circuits 6093 
Wrong tube or wrong topology – here is the question. 6092 
Emission Labs 2A3 6092 
Some comment and questions about then 2A3 talks. 6092 
Which Chinese 2A3? 6092 
OK, for a first time I like the San Audio Kit. 6092 
The YO186 Strip Show 6092 
More on the 2A3 comparisons 6091 
It will be interesting…. 6091 
OPT impedence 6091 
More about the Plate Loading 6091 
Some feedback on designing with the 45 and 2A3 DHTs... might prove interesting. 6086 
2A3 data 6086 
The New 2A3 tubes 6086 
How many stages I need for 110dB sensitivity, smal... 6086 
How many stages and why... and who makes that 45 o... 6085 
Everything about everything. 6085 
Some very good points... and... possibly more logi... 6085 
Options, options, options.... 6085 
I think we agree overall 6085 
An IDHT with more gain? 6084 
You don't ask for much now, eh? 6084 
2A3 tube impressions 6079 
Interesting analogy 6079 
NOS 2A3 tubes versus new tubes 6079 
Hmmm, let me try this one again... 6079 
Sylvania 2A3 identification 6079 
A picture is worth a thousand micromhos? 6079 
I have more interest in the period tubes 6079 
Why NOS tubes? 6078 
The Holly Ignorance 6078 
Tube tasting 6078 
The cathodes’ flatulence? 6078 
Make mine thoriated please 6078 
Any Germans out there? 6078 
6E5P VS 6E6P 6078 
Vibrations? What do you with them? 6078 
Vibration in tubes and sounds 6078 
UX4 vs UX4ruskie 6077 
Ringing the tubes? I do not know how about that. 6077 
Tube sound and vibration 6077 
The thoughts collection about YO186? 6071 
The lights look green for the YO tube 6070 
"Melquiades" with YO-186. Something like... 6070 
My version of RE-604 and PX4 6069 
The YO186 tube sockets. 6069 
B4/B5 British made 6068 
The YO186’s sockets and prices 6068 
DHT 2A3 amplifier rectification 6067 
My attitude toward tube rectification. 6067 
Tu-be or not Tu-be, seems Tu-be the question. 6066 
It looks like DHT DSET is shaping up. 6065 
The Sylvania 2A3 NOS report 6062 
The Citizen Kane syndrome. 6062 
Sylvania 2A3 in a World without Color 6061 
Are NOS and new manufacture comparing oranges to o... 6061 
That all is incorrect in a way…. 6061 
NOS vs new 2A3 tubes 6061 
The identical operation environment? 6061 
Preferred 2A3 operating point 6061 
The sound of the 2A3 however? 6061 
Circuit modification for 2A3 optimization 6060 
How to get max power from 2A3 6060 
2A3 voltages, loads and realized output power 6060 
Optimal operation of 2A3: an experiment 6060 
Tubes, Whole Circuits, Expectations and Sound 6060 
Gain is not power. 6060 
2A3 amplifier modification & Optimization 6060 
Specialized DSET approach 6060 
6C33/2A3 DSET? 6060 
SET usable power and making the most of it 6060 
The 2A3 loading 6060 
DSET solution for EdgarHorn? 6060 
Optimizing the 2A3 6060 
How much to DSET a DSET 6060 
DSET for Titan 6060 
The Best of All Worlds 6060 
Multiamp setup 6059 
Optimizing the (NOS) 2A3... "KM-style"? 6059 
There are many opportunities, it all depends what ... 6059 
Modifying amplifer to optimize NOS 2A3 performance 6059 
Conceptualizing Melquiades DSET is done 6053 
2A3 and 400V supply 6053 
Pudding and the chicken wires 6052 
Another shot at numbers 6052 
How to cook the "uninformed" anode. 6052 
Okay, so this might work.... 6052 
The DHT Milq DSET, the prebuilt draft. 6052 
Looks good, but.... 6051 
2A3 with slightly lover filament voltage? 6051 
Less is more... usually. 6051 
Where to burn gain? how? and where to get beter st... 6050 
Stepping Out 6050 
Said to be good, but 6050 
Gain to lose 6050 
Why nothing is simple with this damn amp! 6050 
Another idea for losing gain 6050 
What's best 6050 
Options, options... 6050 
Actually, it is not so bad. 6050 
Other compromises... 6049 
Cathode vs. fixed with DHT 6048 
Is it glowing yet? 6028 
It is comming.... 6028 
The new MF channel. 6022 
I started to work on the Milq’s DHT Island. 6021 
Innerstage loading vs. OPT loading. 6013 
The intestage loading talk. 6010 
My playback feels like it is broken. 6005 
1 in 50? 6005 
Yes, it was after PP2000 6005 
Die Walküre soldering. 6004 
The post Die Walküre soldering 6003 
Another amp arond YO186 6002 
Gain? 6002 
The Unexpected problem with DHT Milq. 6002 
Simple is good 6001 
Ok, I am moving forward. 6001 
The Milq DSET is up. 6000 
My DH DSET – 2 days later. 5998 
Here is more data to reconcile. 5998 
Hm, that is interesting and unpleasant so far. 5997 
Ok, what do I want? 5997 
Let Go of Some Conceptual "Restrictions"? 5997 
The Milq DH DSET, the further thoughts in progress. 5997 
Crunching Numbers; Shaping Sound 5997 
How about the tweeter? 5996 
Tweeter Efficiency? 5996 
Safe and Sound 5996 
More mystery with tweeter but still on the subject. 5996 
Some clarifications. 5996 
How about that?!!! 5996 
Further considerations: DC-coupling. 5994 
Head Room 5994 
To kill the mandatory 13dB 5993 
DC coupling and killing 13db and driving 6e5p miller and.... 5993 
I do not think that it might be damaging… 5993 
Again with the PS 5993 
AKA J.C. Morrison’s amp but… 5991 
Parallel Universe 5991 
Melquiades HD MF DSET, Draft13. 5989 
Why I let other people build them... 5989 
Ok, it's going to right direction. 5989 
Ok, it looks already very close…. 5988 
The Loftinish-Whitish, well sort of…. 5985 
MF: the pre-final version. 5985 
Loftin-White? 5985 
Did anyone hear the PX4 amplifiers? 5985 
What Could use Improving at This Point? 5985 
The Milq’s MF front-end is done 5981 
Why I Let Other People Build Them, II 5981 
Define really quiet 5980 
Another variable of sound 5980 
Backlash? 5980 
Alternative filament supplies 5980 
I kind of faced a problem with AC 5980 
Going down the DC path 5979 
It is not about the “whole sound” but about “molec... 5979 
Molecular sound 5979 
AC-DC heater supply 5979 
The Tentlabs are $10 worth PS. 5979 
The unexpected resolution of AC vs. DC quandary. 5979 
The devil is less scared than it depicted. 5979 
Hiss or Hum 5979 
AC transformers 5979 
I have seen the Promised Land 5978 
OK, the choke noise is not a problem anymore 5978 
Ok, it is working fine but… 5977 
Divide and Conquer 5977 
The design phase is over. 5976 
The unexpected insanity! 5975 
Loading 5975 
Looking for inspiring ideas for 'universal' loadin... 5975 
A filaments Sherlock Holmes wanted. 5975 
Going the Distance 5975 
Read the f*** manual! 5975 
Agreed. 5975 
I agree 5975 
The filament transformer 5975 
Center-tap and options 5975 
Something like this…. 5975 
Avoiding "Dial-an-Amp" 5975 
The foreplay is going on. 5975 
Split balance 5974 
Further thoughts about my DH filaments 5974 
The Shuguang 2A3 tubes. 5974 
SHuguang 5974 
Going through…. 5973 
The 2.5V noise vs. 4V noise. 5972 
More about Shuguang 2A3C 5972 
Hum vs voltage 5972 
Meow about the tubes… 5972 
To Be a Content Cat 5972 
Completed! 5969 
Tradition 5969 
Absolutely beautiful! 5969 
The 'film' caps in PS 5968 
Science or religion 5968 
Mass Extinction 5968 
Electrolytics, technology and time 5968 
No more questions about PS capacitors. 5968 
Capacitor choices 5968 
Good time. Welcome back. Thanks God. 5967 
The minor day of Quartets. 5967 
Them's the Breaks 5967 
Eventually! 5966 
So Soon? 5966 
DHT MF channel and 6-ch amp: first conclusions 5966 
All Abuzz about Nothing 5965 
The wire for DC-coupling 5965 
The Dirt on DIY Backlash 5965 
DSET vs. the “better tubes”. 5965 
How to test the DH tubes properly? 5964 
Pairing up tubes for SE use 5963 
The DHT live reserve 5962 
Some interestng models 5962 
Eaten alive. 5962 
The tubey déjà vu? 5961 
The new concept of my output transformer. 5957 
The 4V takes a lead. 5953 
Listening the DH and the striped down version of M... 5950 
I kind of slowly learn what I need. 5950 
More HF from a transformer and DHT? 5948 
Since You Don't Need the Gain 5947 
Exiting the design mode? 5947 
Bye-bye the input divider on MF! 5947 
A few steps back and a gaint leap ahead. 5943 
Single-stage vs. DHT amp. 5942 
Setting up the new Playback 5941 
And the winner is… so far 5938 
If you like type 45... 5938 
Type 45... they're not all the same 5938 
Favorite Flavor? 5938 
The 45 times Meow... 5938 
The problem that I see is… 5938 
Running the 45 5938 
The 10Y...and bye bye Newton 5937 
The commentaries about everything. 5937 
Driver tube and biasing 5937 
DHT drivers 5937 
The ideas are worth trying? 5937 
A question about the polishing the things…. 5933 
The Particular Tube, I'm afraid... 5933 
Driving the 45... cathode first 5932 
ST or Globe; old or new... 5932 
Whatever sticks to the wall as an operation point ... 5932 
The attenuating crap in secondary. 5932 
Operating points and cathode current 5932 
The Burgeoning Opportunities! 5932 
Actually it is not so simple. 5932 
Resistors at the front 5931 
A minor alternation of a position 5931 
The era of enlightenment. 5928 
The devil is in the details.... 5928 
Constructing Sound 5928 
A new view on the DHT evaluation. 5927 
The “strange” YO186 5918 
The dead guy’s lessons. 5873 
2S4S and 2A3 5864 
Ho to use the YO186 5857 
YO 186 fundamental flavor 5857 
The YO-YO tube and "fundamentals" channel 5857 
The live without the YO186, again.... 5855 
Not anymore! 5844 
The very good YoYonisation! 5843 
….above and below two very clean channel. 5842 
The DHT and esoteric imaging deformation. 5829 
DHT, YO186, or??? 5829 
I had no idea how ‘different’ it is. 5776 
The Kazitsky Manufacturing and YO104, some history. 5775 
"Absolution and Eternal Refuge." 5772 
Sofia Electric Type 45 Mesh 5762 
The true association of YO186's Sounds. 5524 
All the Best from Burgundy 5524 
Cheesy tubes 5523 
Me and my DHT references… 5414 
Y0-186 in winter. 5317 
Y0-186 sounds like… 5316 
Rethinking the YO186 tube. 5285 
In My Dreams 5285 
Grunt from type 45? A ridicules comment. 5285 
Blame? 5284 
When good is not good enough. 5284 
45s, Drivers, and 45s 5284 
Hm, that was so simple after all! 5283 
How the YO186 was used. 4867 
What is old is new? 4866 
YO186 vs. type 45. 4865 
The YO186 is gone.... :-( 4414 
That sucks. 4414 
YO186 4412 
Hm, what the hell is going on? 4412 
I do not think that anybody but me would like YO186 4412 
A hallucination? 4409 
All context of this site except the Forum's posts Copyright © Roman Bessnow 2004-2025
All messages within the Site’s Forum Copyright © by authors of the posts
Last 24-hours posts:  0  
Total human visitors:  49,214,409  
Search the Site
   
      Search Site Forum
     Search Site via Google
 
Login into Site
Login:
Pass:
    Create a New Account
    Forgot your Account
Classical events in Boston
APR 11 Benjamin Zander, con»
APR 12 Chamber Music in Nee»
APR 12 Magdalene Ho, pianis»
APR 12 Takács Quartet in Gr»
APR 17 In Search of New Wor»
APR 19 Cantus in Rockport o»
APR 19 In Search of New Wor»
APR 24 Re-Imaginings in Che»
NPR Classical Programs
lang lang: tiny desk (home)»
marin alsop on her swing or»
mahan esfahani: tiny desk c»
cellist lynn harrell has di»
npr music's top 14 albums o»
anthony davis wins pulitzer»
augustin hadelich: tiny des»
c.p.e. bach: mercurial dive»
Classical Music News
classical music news - leo»
classical music news - aug»
is bach better on harp?»
julian bream, maestro of g»
a woman takes the podium a»
he wasn’t toscanini, but h»
9 things to do this weeken»
classical music news. diab»
another trump blunder»
from concerts to cartoons:»
classical music livestream»
how to diversify orchestra»
ethel smyth, a composer lo»
classical music attracts o»
‘the lost pianos of siberi»
5 minutes that will make y»
it’s (almost) business as »
the lost pianos of siberia»
leon fleisher, 92, dies; s»
leon fleisher, 92, dies; s»
classical music news. augu»
More Music News »»
Composer's Anniversaries
Caccini, Francesca (18 Sep»
Kirchner, Theodor (10 Dece»
Dopper, Cornelis (7 Februa»
Benjamin, Arthur (18 Septe»
Sorozabal, Pablo (18 Septe»
Belcastro, Luca (18 Septem»
Julià Satorra, Roger »
My Audio Leftovers
Altec 515B bass drivers
Micro-Seiki Arm Board
Lamm L2 Reference pream»
Micro Seiki RX-5000
Lamm Industries M1.1 Mo»
Rohde & Schwarz MSDC Mu»
Vitavox S2 Compression »
Electro-Voice T350 twee»
Altec 808A compression »
Vitavox AK151 15" bass »
Kenwood L-02T FM Tuner
More Leftovers »»