GoodSoundClub's Home
Manifesto Copyright
Statistics Site Links
Site Map Surveys
Send Email to Romy the Cat
The site is back....!!!
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
» Chinese upperbass horn.
» To move audio equipment »
» Big room vs small room
» Milq: Starting the proje»
» Micro Seiki SZ-1T
» Why second tonearm/cartr»
» A Plasma Tweeter made in»
» ... again on GOTO Unit d»
» Submerging deeper into A»
» Anything wrong with wide»
» The New Year Concerts wi»
» Greeting every one
» Some nice horns from Gre»
» The exaggerated boots un»
» Beware of "Higher F»
» Bose SoundDock Devil Mac»
» Carbon Interconnect
» Janine Jansen Violin
» A contemporary AD1 Triod»
» Macondo – Super Melquiad»
» About Audio and Cooking »
» Polish Chamber Choir - S»
» About audio sales and h»
» Musique Concrete horns
» A DSET is better then an»
» K2HD -yet, another CD fo»
» Do the Filament Transfor»
» Music & Arts' Stokow»
» Optical Cartridge: groun»
» SME M2
» Devid Berning amplifiers»
» The last message of audi»
» Introduction to “Melquia»
» Wich melquiade?
» Avid Listener --- Stereo»
» Calamine Lotion From Tec»
» Srajan, 6Moons, sex indu»
» The Full (fuller) Range »
Bookmarked are red
StateWork Broadcast Reco»
Classical Music Network
BachTrack
Seen and Heard
IMSLP Music Library
WHRB Radio Station
Solid State Electronics
Hermann Scherchen discog»
Club Abbadiani Itineranti
Clemens Krauss Archive
Piano Wizard
Lenard's Opals monitor
More Links »»
Romy the Cat's personal site dedicated to advanced audio and evolved music reproduction techniques

Posts Authors:  Listed only members with posts
 Posts Period :    to      Format: Year/Month/Date
Search Phrase:   
Search in Forum: 
Print Results per page:  Separate words by empty space
 

     Pages: 74, Posts: 2209    Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...


          Tip: narrow down your search criteria or select a larger number of printed results per page.


Read the Post in new Window Read the Post in Threaded view  Post #13: Re: Help to identify 0A2 tube. by deemon on 2005-09-08 
Browse the content of the threads in new Window  Thread: Gas voltage reference 0A2 tubes. in Melquiades Amplifier  42 Replies 
[quote user="Jack 14"]Hi, these ones are Russian military stock: see that no mica elements have been used in their construction, like the US Bendix Red Bank tubes (used in US ICBMs of the '50's-'60's). Old Soviet ICBM spare stock ?[/quote]It's v...

Read the Post in new Window Read the Post in Threaded view  Post #32: 6C19P, tube paranoia and grounding by Romy the Cat on 2007-01-05 
Browse the content of the threads in new Window  Thread: Initial thoughts about new/old Lamm ML2s in Audio Discussions  215 Replies 
[quote user="Paul S"]You have said that there are no "good" 6N6Ps; but are some physically constructed better than others?[/quote] Nope it was not what I said. I said the all 6N6P are equal, at least among those that I have seen and there are no rea...

Read the Post in new Window Read the Post in Threaded view  Post #223: The fiberglass tube dilemmas and my Shish-Kebab by Romy the Cat on 2010-10-13 
Browse the content of the threads in new Window  Thread: Romy The Cat's new Listening Room in Audio Discussions  478 Replies 
I am playing with the tube traps and at this point I have a dual feeling about them. They are absolutely phenomenal HF absorbents, in fact much more powerful than any other tools I have heard.  They suck HF from the room with a force of a good co...

Read the Post in new Window Read the Post in Threaded view  Post #7: Tube pre-amp for ss power amp by muddasir on 2010-07-10 
Browse the content of the threads in new Window  Thread: Does tube preamplifier VTL would add tube sound to system in Audio Discussions  6 Replies 
I agree i have been making mistakes even costly ones. I had taken the biamping route with cary and krell on B&W , and that was the purpose of getting both the amps, to get the best out of both ,,,,,,it turned out mixing oil and water,,,,,the most...

Read the Post in new Window Read the Post in Threaded view  Post #221: I need to educate myself about tube traps by Romy the Cat on 2010-10-12 
Browse the content of the threads in new Window  Thread: Romy The Cat's new Listening Room in Audio Discussions  478 Replies 
[quote user="Serge"]Looks like a good solution, this. To make the fabric-covered pipe more reflective you may spray-paint the fabric, I think. [/quote] I read last night the ACS papers, patent and learned how the tube traps work. To my surprise they ...

Read the Post in new Window Read the Post in Threaded view  Post #61: Tube rush by Paul S on 2007-03-24 
Browse the content of the threads in new Window  Thread: Initial thoughts about new/old Lamm ML2s in Audio Discussions  215 Replies 
My first guess would be that the hiss you are getting is "tube rush" form upstream rather than an artifact of any resistor/voltage divider.  This may mean you still have too much system gain.  Again, properly tubed ML2s make NO so...

Read the Post in new Window Read the Post in Threaded view  Post #1530: Follow up on the core issues on tube SMPS by JOHNR on 2016-07-14 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
I did not follow up on the issues relating to improved performance on small smps when used on filament and DAC power supplies.Here goes:The first is that the source impedance of this type of supply is very small e.g. less than one ohm. The sp...

Read the Post in new Window Read the Post in Threaded view  Post #1: Tube outputted CDP's and DAC's by KLegind on 2010-11-18 
Browse the content of the threads in new Window  Thread: Tube outputted CDP's and DAC's in Didital Things  3 Replies 
I am hoping someone will comment on the tube driven output stage topology vs. the conventional solid state output solution. Is it possible to squeeze more out of the 16/44 format with a tubeoutput? The phrase is kind of problematic, maybe "overcome t...

Read the Post in new Window Read the Post in Threaded view  Post #4: SS output vs. tube by KLegind on 2011-01-22 
Browse the content of the threads in new Window  Thread: Tube outputted CDP's and DAC's in Didital Things  3 Replies 
Thank you Joaco for your reply. I was hoping tubes could ameliorate the brutal sound many CDP exhibit. I was at an audio fair recently and heard a Tentlab player with the Philips CD Pro mech and tube output that had a kind of gentle sound very unlike...

Read the Post in new Window Read the Post in Threaded view  Post #28: Your Own Tube Lore by Paul S on 2008-12-14 
Browse the content of the threads in new Window  Thread: About EAR 834P Modifications in Analog Playback  45 Replies 
Adrian, I wonder how you wound up with the never-mentioned FET 10?  FWIW, it was one of the better all around phono stages I've heard, and - not that it matters - I prefer it to the EAR 834 I heard.  Is this another case wher...

Read the Post in new Window Read the Post in Threaded view  Post #185: Twitchy signal tube and amp interactions by steverino on 2012-01-22 
Browse the content of the threads in new Window  Thread: The last phonocorrector: “End of Life" Phonostage in Analog Playback  310 Replies 
While I have found the Amperex globes act more consistently than the Bugle Boys I wouldn't call the Bugles uniformly bad. I wonder if they just don't match up with current amps as uniformly as the later Globes? I have a stockpile of GE longplates fro...

Read the Post in new Window Read the Post in Threaded view  Post #2: Re: 7788 tube mic pre design? by hagtech on 2006-02-14 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Why do you suggest that a pentode will "give higher audio resolution"?  What evidence is this theory based upon?jh...

Read the Post in new Window Read the Post in Threaded view  Post #64: One tube, two channels? by Paul S on 2008-09-14 
Browse the content of the threads in new Window  Thread: The last phonocorrector: “End of Life" Phonostage in Analog Playback  310 Replies 
Romy, doesn't Tim de P also use this cool Miller capacitance idea in his never-mentioned "high end" tubed corrector?  Also,  do I remember reading that he runs both channels through the two halves of the same twin-triode 9-pi...

Read the Post in new Window Read the Post in Threaded view  Post #1: 7788 tube mic pre design by rafaroxlm on 2006-02-14 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
As you may know the 7788 is a high transconductance pentode which should in theory be able to give higher audio resolution than say 12AX7, 6072 tubes in tube mic pre designs.  On search here the 7788 was mentioned as being used as the ...

Read the Post in new Window Read the Post in Threaded view  Post #3: 7788 - love the tube! by Romy the Cat on 2006-02-14 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
[quote user="rafaroxlm"]As you may know the 7788 is a high transconductance pentode which should in theory be able to give higher audio resolution than say 12AX7, 6072 tubes in tube mic pre designs.  On search here the 7788 was mention...

Read the Post in new Window Read the Post in Threaded view  Post #4: Re: 7788 - love the tube! by rafaroxlm on 2006-02-15 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
Thanks for the comments Romy.  Would appreciate pointing out where the schematic is for the 7788 phono preamp or even better your friend´s 7788 mic preamp schematic.  I can use the phono stage circuit minus the RIAA as a starter and th...

Read the Post in new Window Read the Post in Threaded view  Post #8: ML2, Hegel, Kant…. and the tube dampers… by Romy the Cat on 2006-11-23 
Browse the content of the threads in new Window  Thread: We don’t necessarily know “Why”, nor do we need to…. in Playback Listening  8 Replies 
[quote user="Paul S"]So what are we to make of a product like the ML2 amps (using them here only as an example, not a topic)?  I have to say I more or less took a flyer on these, since I never heard them in a system I could stand befor...

Read the Post in new Window Read the Post in Threaded view  Post #19: 7242 tube and Milq's ULF output. by Romy the Cat on 2012-03-13 
Browse the content of the threads in new Window  Thread: More power from Melquiades? More powerful tube? in Melquiades Amplifier  19 Replies 
There is a tube out there might be a good candidate to drive ULF from DSET http://tubedata.tubes.se/sheets/127/7/7242.pdf It is a low voltage triode with 100W on plate, 9 times gain and 80R plate impedance.  3 of them might form a...

Read the Post in new Window Read the Post in Threaded view  Post #73: Milq Driver tube bias by KOTriode on 2012-03-17 
Browse the content of the threads in new Window  Thread: A different breed of 6C33C amplifier. in Melquiades Amplifier  84 Replies 
Romy,I looked at your Melq schematic : http://www.goodsoundclub.com/PDF/Melquiades_SET.pdf  regarding the 6E5P bias. Would it be simpler to use two alkaline battery in place of R5 to provide 3V , or 3 Rechargeable for 3.6V in place of R5 ? Did you tr...

Read the Post in new Window Read the Post in Threaded view  Post #1: A car with vacuum tube... engine. by Romy the Cat on 2013-05-18 
Browse the content of the threads in new Window  Thread: A car with vacuum tube... engine. in Audio News  0 Replies 
We just return from our walk around Winchester’s lake were I saw a very rare car. It is vacuum tube driven. I know that you feel that I BS you but I made a picture to prove the point....

Read the Post in new Window Read the Post in Threaded view  Post #6: Tube vibration sound by drdna on 2009-02-10 
Browse the content of the threads in new Window  Thread: About the life-expectancy of the new production tubes. in Audio Discussions  9 Replies 
[quote user="Romy the Cat"]The contemporary productions DHT tubes (Russian of Chinese) are superbly firm and have no internal noise when they shacked or hit. The mintage 60 years old tubes what you make the “close to ears” test responses like as some...

Read the Post in new Window Read the Post in Threaded view  Post #420: Does ASP regenerator has a soft-pin tube socket? by Romy the Cat on 2009-12-27 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
[quote user="Paul S"]Back to APS troubles, I can't help but think that some plain, old-fashioned, forthright honesty would go a long way.  I recently read some posts from an APS wonk claiming outright to an HT group that there is absolutely no di...

Read the Post in new Window Read the Post in Threaded view  Post #14: In which direction the tube goes? by Romy the Cat on 2007-04-25 
Browse the content of the threads in new Window  Thread: The one-stage Melquiades. in Melquiades Amplifier  74 Replies 
[quote user="be"]Thanks ml8, do you know how much it could swing before problems, either due to clipping or grid current?[/quote] I would be interesting to know how much plate voltage (and power) 6E5P would have with no bias. If ml8 would promi...

Read the Post in new Window Read the Post in Threaded view  Post #26: pulse tube by hagtech on 2007-04-29 
Browse the content of the threads in new Window  Thread: The one-stage Melquiades. in Melquiades Amplifier  74 Replies 
With this tube I would think cathode emission limits lifetime.  Stepping back a moment, I'm guessing this tube is designed for radar operation.  Maybe in an aircraft.  The spec sheet definately talks only about pulse mode of opera...

Read the Post in new Window Read the Post in Threaded view  Post #1: The 6E5P tube data. by Romy the Cat on 2007-07-23 
Browse the content of the threads in new Window  Thread: The 6E5P tube data. in Melquiades Amplifier  44 Replies 
Taras Oleynk aka “ML8” sent me a couple months ago his measurements of different driver line-level tubes including the Melquiades’s diver tubes – the 5E5P. I am posting his data here with his permission, including Taras’ statement that is JUST PRELIM...

Read the Post in new Window Read the Post in Threaded view  Post #1: More power from Melquiades? More powerful tube? by Romy the Cat on 2007-09-01 
Browse the content of the threads in new Window  Thread: More power from Melquiades? More powerful tube? in Melquiades Amplifier  19 Replies 
What would I do if I move to a much larger room and the power of Milq’s full 6C33C would not be enough? Surely it would be possible to go for transmission tubes but they all high plate impedance and high voltage. If I parallel all my bass drivers and...

Read the Post in new Window Read the Post in Threaded view  Post #4: The death the vacuum tube rectifier? by Romy the Cat on 2007-12-13 
Browse the content of the threads in new Window  Thread: The Milq’s power supplies and rectification. in Melquiades Amplifier  3 Replies 
The switching UHF spikes that were SS rectifiers main “issuers” are gone.  Schottky Diodes with no forward or reserve recovery always did the best but they never were able to care a lot of voltage. The new denegation of Silicon Carbide Diodes ar...

Read the Post in new Window Read the Post in Threaded view  Post #28: The long life with 5E6P tube by Romy the Cat on 2008-02-22 
Browse the content of the threads in new Window  Thread: The 6E5P tube data. in Melquiades Amplifier  44 Replies 
[quote user="hagtech"]You are lucky to be able to bask in such luxury!  It is one thing to build an amp for yourself, constantly tweaking and upgrading.  Quite another to design a machine for public consumption, at which point things like r...

Read the Post in new Window Read the Post in Threaded view  Post #33: It is a small box, driver tube is buried about 1 inch by hagtech on 2008-02-22 
Browse the content of the threads in new Window  Thread: The 6E5P tube data. in Melquiades Amplifier  44 Replies 
[quote]Will the final appearance be similar to the prototype in the picture?[/quote]Yes, I can't imagine it changing much.  Parts may change, but the layout is fixed.  Size of box is 10x10x4 in inches.  Weight, I think is only 15 pound...

Read the Post in new Window Read the Post in Threaded view  Post #97: I suggested once VT52 tube by Wojtek on 2009-01-02 
Browse the content of the threads in new Window  Thread: Single-stage Melquiades vs. DHT amps in Melquiades Amplifier  397 Replies 
I assembled SUN 2A3 amp for my friend and found it to be quality kit  and very easy assemble. Kit was old .I think late 90's so maybe quality deteriorated since then. I have variety of 300b Czech tubes and (Eml 300b , KR 300BLX 842VHD ) bought t...
All context of this site except the Forum's posts Copyright © Roman Bessnow 2004-2024
All messages within the Site’s Forum Copyright © by authors of the posts
Last 24-hours posts:  0  
Total human visitors:  42,866,932  
   
      Search Site Forum
     Search Site via Google
 
Login:
Pass:
    Create a New Account
    Forgot your Account
AUG 1 Danish String Quarte»
AUG 2 Les Delices in Vario»
AUG 2 Boston Pops in Lenox»
AUG 3 Boston Pops in Lenox»
AUG 4 Alan Gilbert, conduc»
AUG 5 Tanglewood Music Cen»
AUG 6 Tanglewood on Parade»
AUG 8 National Children’s »
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 - 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»
More Music News »»
Lawes, William (1 May 1602»
Arditi, Luigi (22 July 182»
Vilem, Blodek (3 October 1»
Dvořák, Anton»
Alfvén, Hugo (1 May 1»
Sowerby, Leo (1 May 1895-7»
Weyrauch, Johannes (20 Feb»
Leifs, Jón (1 May 189»
Whitlock, Percy (1 June 19»
Khachaturian, Aram Ilyich »
Musatex’s Bidat Model "»
Vitavox 330Hz Horn for »
Conscience of audio rev»
Kenwood L-02T FM Tuner
Lamm Industries M1.1 Mo»
Lamm ML-2 Single-Ended »
Mid-range tantrix round»
Ortofon Mono CG 25 Di c»
Lamm L2 Reference pream»
Korvet “Egg” Tonearm
Micro-Seiki Arm Board
More Leftovers »»