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Read the Post in new Window Read the Post in Threaded view  Post #1140: Equi=Tech Review. by Romy the Cat on 2013-06-03 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
Indeed a good review. The author in my view spent too much time promoting the theoretical benefits of symstrick power. I do not degree with all those theoretical justifications and the very practical natural nose rejections of symmetric power but it ...

Read the Post in new Window Read the Post in Threaded view  Post #33: High Quality Music Server / CD player by alexd on 2008-12-18 
Browse the content of the threads in new Window  Thread: High Quality Music Server / CD player in Didital Things  169 Replies 
Hi all.We are small company, dedicated to creation of highest quality audio products. Analog and Digital. We have auditioned many music servers on the market.However most of them do not sound as good as good quality 16Bits cd transport. The approach ...

Read the Post in new Window Read the Post in Threaded view  Post #42: Bidat with new midbass and proper performing purepower by miab on 2011-01-22 
Browse the content of the threads in new Window  Thread: The Museatex Bidat pages. in Didital Things  57 Replies 
Romy, My Bidat being extremely sensitive to incoming electricity and now with Purepower in my mix I am getting to know my Bidat in a new light. I did think I had a grasp of what the Bidat could and couldn't do but feeding it through Purepower it has ...

Read the Post in new Window Read the Post in Threaded view  Post #30: More Whine by hagtech on 2008-01-13 
Browse the content of the threads in new Window  Thread: 7788 tube mic pre design in Analog Playback  38 Replies 
I guess I need to try out some more samples.  Only have a few here.  And only one has a long time constant 5kHz ring.  Heaters are 6.2Vdc with 20mVrms sinewave ripple at 120Hz.  Fed from schottky - L - C.  Other side of heate...

Read the Post in new Window Read the Post in Threaded view  Post #1: About rationalism of twin-units isolation efforts. by Romy the Cat on 2008-10-28 
Browse the content of the threads in new Window  Thread: About rationalism of twin-units isolation efforts. in Audio Discussions  1 Replies 
Audio people frequently go astray in their thinking and actions and this creates a good breeding ground for all possible audio sale opportunists. I would like to explore one moment that has not a lot of public attention and to look at the moment slig...

Read the Post in new Window Read the Post in Threaded view  Post #90: More about the AFI1 by manisandher on 2009-07-09 
Browse the content of the threads in new Window  Thread: High Quality Music Server / CD player in Didital Things  169 Replies 
Romy,I've been using the AFI1 for the last few months. I haven't done any detailed comparisons with my other two 'interfaces' (actually, they're multichannel ADC/DACs with AES ouputs), but I think the AFI1 is excellent.The only issue that I have with...

Read the Post in new Window Read the Post in Threaded view  Post #1: In appreciation of Koshka by Tax on 2022-04-11 
Browse the content of the threads in new Window  Thread: In appreciation of Koshka in Melquiades Amplifier  2 Replies 
Finally done! A journey that took a total of 11 years after coming across this forum and seeing the Melquiades posts and schematic. Koshka has a beautiful body and will live on in my SET implementation of a 4 box solution. Here is the left channel po...

Read the Post in new Window Read the Post in Threaded view  Post #1909: Bad Electricity by Amir on 2023-11-18 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
I had some experience with bad electricity so i would like to share it here. My audio system does not have ground loop. 1- digital sources (I have CD Player) is more sensitive to Bad Electricity than Pre/Powers. 2- if your audio system Continuously p...

Read the Post in new Window Read the Post in Threaded view  Post #63: Confusion by N-set on 2010-11-10 
Browse the content of the threads in new Window  Thread: To drive the 6C33C... in Melquiades Amplifier  65 Replies 
Paul, electrical engineering has as much to do with Sound as pimples on my ass with craters on the moon :D ! I think I understand our confusiona: you've probably seen some earlier circuit perhaps with one big 700V or 800V choke-input supply and then ...

Read the Post in new Window Read the Post in Threaded view  Post #13: I don't think so by Teflon on 2012-02-22 
Browse the content of the threads in new Window  Thread: Solid state revisited in Audio Discussions  12 Replies 
[quote user="decoud"]Still partially wrapt in mystery, but here is potentially the first SS DSET:http://www.firstwatt.com/sit1.htmlI say potentially for that is not naturally Pass's direction, but each monobloc is designed to be tunable to its specif...

Read the Post in new Window Read the Post in Threaded view  Post #102: Back to future. MF channel sound. Eventually…. by Romy the Cat on 2008-01-17 
Browse the content of the threads in new Window  Thread: 6 Channel Version of Super Melquiades in Melquiades Amplifier  131 Replies 
OK, now I recognize my S2 driver, thank God. I was give to my new PS for MF channel one more change today to show itself off. I relayed the Hartmann ‘s first movement of the Shostakovich First Violin Concerto. As I said above the progress was very n...

Read the Post in new Window Read the Post in Threaded view  Post #5: RuneAudio. by xandcg on 2015-12-30 
Browse the content of the threads in new Window  Thread: DAW is down… new DAW. in Audio Discussions  4 Replies 
If the idea is just to listen and not make any sort of manipulation, you may want to give a try to RuneAudio or Volumia or AP Linux, they are free anyway:http://www.runeaudio.com/https://volumio.org/http://www.ap-linux.com/Seasonic have fanless PSU, ...

Read the Post in new Window Read the Post in Threaded view  Post #16: MR67 by deemon on 2008-08-23 
Browse the content of the threads in new Window  Thread: A tube tuner? REL Precedent 646C in Off Air Audio  24 Replies 
Hi , Wojtek !Of course , I have some ideas how to modify this tuner , but before doing it you need to check if it operates correctly ! I mean tubes health , power supply operation , DC voltages on testpoints , LC tanks alignment , etc . You see ...

Read the Post in new Window Read the Post in Threaded view  Post #37: High Quality Music Server / CD player by alexd on 2008-12-18 
Browse the content of the threads in new Window  Thread: High Quality Music Server / CD player in Didital Things  169 Replies 
Why are you so aggressive?Te specs on web site are most generic on purpose.We do not want the competition to copy our design before we applied for patents and protected our IP.If you'd like to know more details, call us and we will try to explain to ...

Read the Post in new Window Read the Post in Threaded view  Post #5: Talk about Corporate Prescience! by oxric on 2011-11-01 
Browse the content of the threads in new Window  Thread: Windows Based Transport: A quiet and capable Source? in Didital Things  47 Replies 
[quote user="oxric"]However, a new UK venture seems to have taken on board most of the criteria that I had set myself and come up with an off-the-shelf solution. Please see below:http://www.itemaudio.co.uk/windows_audio_transport.htmlI am however dau...

Read the Post in new Window Read the Post in Threaded view  Post #21: Critical distinction by item on 2011-11-02 
Browse the content of the threads in new Window  Thread: Windows Based Transport: A quiet and capable Source? in Didital Things  47 Replies 
Romy: you found your CD transport sounded better than a CD-ROM drive, is that right? That seems reasonable. But you've not stated what computer the CD-ROM drive was attached to . . .In an audio computer, the CD-ROM drive is really, really irrelevant:...

Read the Post in new Window Read the Post in Threaded view  Post #5: Re: Noise of power by Thorsten on 2006-03-06 
Browse the content of the threads in new Window  Thread: Sonic consequences of regulation. in Audio Discussions  6 Replies 
Hi,[quote user="Genn"]May be it is time to review some basic concepts?[/quote]I am quite familiar with them, thank you.[quote]I'm using today IC based, Accu powered small amplifier, and it reproduces music, without any noise and distorsion from angry...

Read the Post in new Window Read the Post in Threaded view  Post #463: Local stability by drdna on 2010-03-07 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
This is correct in that a local stable power supply is the goal, and the question asked is how to accomplish this given a fluctuating supply from the grid. The answer repeatedly has been an attempt to essentially create a supply that is either physic...

Read the Post in new Window Read the Post in Threaded view  Post #276: Line (grid) Power, waveform symmetry and THD by floobydust on 2009-02-20 
Browse the content of the threads in new Window  Thread: It’s mad, mad, mad... electricity. in Audio Discussions  1910 Replies 
 Power from the company grid is usually pretty decent in most respects, or at least it used to be. In the last 25 years or so the average home has seen an increasing number of devices which have switching power supplies (computers, monitors, etc...

Read the Post in new Window Read the Post in Threaded view  Post #36: Saturation contd. by morricab on 2007-10-02 
Browse the content of the threads in new Window  Thread: Devid Berning amplifiers: the anti-trnsformers frenzy? in Audio Discussions  45 Replies 
What I find interesting though, Romy, is that many of the SET measurements show gross distortion even when putting out very low power, which suggests that they are saturated from the high static DC current running through them as they must for a Clas...

Read the Post in new Window Read the Post in Threaded view  Post #21: Big Amps. Mains Power, and Amp Loads by Paul S on 2023-11-01 
Browse the content of the threads in new Window  Thread: Marantz MA-9S2 Monoblock Amplifiers in Audio Discussions  36 Replies 
Amir, I told of my own approach to wall power in other threads. Basically, I tried to make my gear as tolerant of AC variations as I could without simply smoothing everything over. My DAC runs on battery power. I modified the power supply and changed...

Read the Post in new Window Read the Post in Threaded view  Post #2: Re: Grid bias power supplies by Romy the Cat on 2006-02-28 
Browse the content of the threads in new Window  Thread: Grid bias power supplies in Melquiades Amplifier  3 Replies 
Floyd, Regardless your preamp uses output coupling cap you would still need a positive supply. Positive supply compensates the negative DC voltage at the amp’s input. Theoretically if you do not connect or disconnect the cable between your preamp an...

Read the Post in new Window Read the Post in Threaded view  Post #21: Re: by guy sergeant on 2006-03-21 
Browse the content of the threads in new Window  Thread: To drive the 6C33C... in Melquiades Amplifier  65 Replies 
Romy,I have several power amplifiers each of which sounds different. I might enjoy some aspects of what one of them does but feel that it could do other things better. Another of the amplifiers might have different strengths and weaknesses. None of t...

Read the Post in new Window Read the Post in Threaded view  Post #49: Cessaro the best commercial loudspeaker by coops on 2007-07-11 
Browse the content of the threads in new Window  Thread: The most promising “best” commercial speaker in Horn-Loaded Speakers  192 Replies 
Romy Hi, Ralph installs every pair of speakers ,I know that it can take a week or more to install and optimise the larger systems. There are plans for amplifcation , he is  working closely with Mr Park of Allnic Audio. Mr Park has some...

Read the Post in new Window Read the Post in Threaded view  Post #11: Wideband drivers by electronluv on 2009-05-27 
Browse the content of the threads in new Window  Thread: Another electromagnet driver: Great Vintage Loudspeakers. in Horn-Loaded Speakers  17 Replies 
When you get a horn that will work i will trade for a couple weeks!I don't think wide band drivers are the ideal way to do things but the most cost effective way to injoy good sound i would like to make another pair to  crossover  from 3k to 10k.some...

Read the Post in new Window Read the Post in Threaded view  Post #6: 6C33C amp. by KOTriode on 2011-09-08 
Browse the content of the threads in new Window  Thread: A different breed of 6C33C amplifier. in Melquiades Amplifier  84 Replies 
Without regulation, this amp would not work correctly due to its design: DC coupled and fixed bias. The high transconductance will make the bias current varied as much as 50-100ma due power line fluctuation without the regulators. It mi...

Read the Post in new Window Read the Post in Threaded view  Post #8: Re: field strength a red herring by guy sergeant on 2006-01-12 
Browse the content of the threads in new Window  Thread: Vitavox S2 with Electromagnets in Horn-Loaded Speakers  91 Replies 
In the case of the Audio Note field coil cartridge the field strength (and hence output) was significantly less than that from the permanent (AlNiCo) magnet equipped Io. Yet the performance of the field coil version (Io Ltd) was 100x better despite a...

Read the Post in new Window Read the Post in Threaded view  Post #47: Clarification by anthony on 2020-08-11 
Browse the content of the threads in new Window  Thread: Valve Preamplifier for Macondo/DSET in Melquiades Amplifier  74 Replies 
[quote user="Romy the Cat"]Anthony, I do not know what you new buffer is. A few notes. The difference between sub 10R and 300R of output impedance is significant for the load you have (Milq) between your new buffer and your 10Y preamp. The type of th...

Read the Post in new Window Read the Post in Threaded view  Post #2: Splitters, preamps, etc by Chirag on 2005-06-01 
Browse the content of the threads in new Window  Thread: BiDat: One more output in Didital Things  5 Replies 
Hey Alex,Aside from the obvious swapping of cables, do you have any extra outputs in your preamp?  Don't try any sort of splitting device...I did it once with very cheap cables and couldn't listen for more than 30 seconds.  You could always...

Read the Post in new Window Read the Post in Threaded view  Post #127: The stupid 5uF cap on AC side by Romy the Cat on 2011-09-02 
Browse the content of the threads in new Window  Thread: The last phonocorrector: “End of Life" Phonostage in Analog Playback  310 Replies 
[quote user="N-set"](feel free to re/move this post to the electricity thread)As the power supply I'd regard everything from the power generator in the power plant down to the actual load.Why the power transformer should be the cutting line? I do hea...
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