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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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At first I plan to power the thing SET, with a known, existing amp (a triode wired EL84) which I've already built and know the Sound. It is not bad, but a little "warm" sounding (second harmonics, and is low powered for low frequenci...
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Kris, I agree with you about the unobtainable 300Hz.Had really hoped for that, but so far no go with my set up:An old Oris-150 with a 4" throat wood adapter/cradle that John Sheerin made for me,with the 2482 playing out the back, so you see the entir...
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The first and the bigger thing that I like about them is that Anima is trying to use the vertical-horizontal configuration where the bell of the vertical horn serves as frame for horizontal channels. I love this idea and had a number of my own th...
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I just stumbled on this thread, and am thinking about being your first customer.I am planning to move to New York from Tokyo end of this year - not just escape the nuclear radiation but to let my kids experience a different culture.Depending on m...
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Romy, I'll be digging round in my amps tomorrow and intend to install a filter for the red tweeter while there. What should I be aiming for? 7kHz first order from memory, but hoping you can confirm. Such a filter could be achieved just by changing...
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[quote user="Romy the Cat"]When Srajan Ebaen was a little boy he loved to help in his uncle’s in French restaurant. They lived in a small German village, filled with many pragmatic eateries that served large meals with sausages and potato. The u...
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Sorry, I do not share your sentiments with those 3 reasons. Below are my reasons.
[quote user="jessie.dazzle"] Three reasons:
1) To try high passing your upper-MF channel (S2 > 400Hz horn) above the 1250Hz secondary resonance assiciated ...
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[quote user="Romy the Cat"]This morning I was listening Messiaen’s Tarantella-Symphony powering system from the bare AC lines. It was far from the sound I would like to have and I decided one more time to insult myself with PP2000. This time I decide...
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[quote user="jessie.dazzle"] Resonant frequency :
I did not try to measure it. Can anyone confirm the following : I assume this parameter is most easily determined by playing a series of tones at constant signal strength (volume setting) whi...
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From http://goodsoundclub.com/Forums/ShowPost.aspx?PostID=6091[quote user="Romy the Cat"][Dima] feel that Lavry 924 is the only know to him properly implemented true Multibits DAC (and he knows them all) however he feel that there is much more “inter...
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[quote user="manisandher"] Oh yes, I've tried this for sure. There is a difference between the three modes; DIG_IN, REFWCLK and MASTER. The first two seem to add something in the HF that I can imagine many people judging as being 'extra resolutio...
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[quote user="jessie.dazzle"] Could you clarify: Would you like to vent the rear chamber or increase its volume (or both)? This weekend I will try listening with the rear covers on the Lower-Mids slightly open... [/quote]
Good question. I do no...
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[quote user="Kcct82"]On to other things... now that we've been using the GOTO SG505 for a while, the verdict is that it does not sound good below 290hz. [/quote]
As I understand you use the GOTO SG505 in 150Hz horn and report that it does not sound ...
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The TAP TVC does happen support a fully balanced topology, for whatever that's worth. I have not discovered anything difinitive about this for myself, however. I can say that I do not consider the unit's situational neutrality as anything...
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Yes. I’m exiting to see how the new horn I shaping up. Still I do not think that it is about second orders. Obviously in context of 5 channels system, the more channels one gets then less room between them. I still feel that in order to do it c...
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Hi Romy,So, six channels are now operational in the first DSET. By up I mean the anode voltages on all tubes is about right and the currents are in the ballpark of where they need to be. I am yet to check the DC Offset so hopefully that goes ok.Ini...
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Latterly is have been some controversy with new Placette output impedance, it does not look like it is 3R but rather 37R according to my measurement. I need to clear it with Guy. I also desided to address (since the Active Placette is a discrete op-a...
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[quote user="haralanov"] Romy, I do agree with all your comments. It is true that the magnitude of the rubber taste very much depends on the crossover frequency. I used them below 64Hz, but with first order filter, implemented before the amp that...
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[quote user="anthony"]This is excellent
information Romy. I have been worried about crossing the woofers at 100Hz
and would be much happier if I was able to cross them lower. We will see
how everything integrates into the room and if I do need t...
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[quote user="Romy the Cat"]Well, I would advise you do not order any horns with aiming 2490.
Get the drivers first and order the horns AFTER you feel that the driver
satisfy you. The fact that the loaded driver can hit 300Hz does not mean a lot.
Y...
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Romy, I have been trying to explain to myself what happened and how I got to it and trying to recreate this wonderful boiling point.
I tried to make a write up of all the steps needed in order to make it happen, but it is ever so elusive. I ...
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[quote user="Romy the Cat"]Now my midrange channel need no upper range diffusion and now I feel that the result I’m getting from T350 is too soft and too transiently slow for S2. So, I kind of very mildly begin to look out there and to try top fugue ...
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Roman,[quote user="Romy the Cat"]Nevertheless, if that bass was truncated between the stages then the devastations are way more severe. [/quote]That may be so, however an LF response of less than -0.1db down @ 10Hz is what is normally called "ruler f...
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This weekend I was unpacking. I had a change to give to my new listening room a first early run. I was re-strategizing how the room will be setup and moved equipment in the room. My initial planning was fine and the equipment was fitting in the room ...
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Hi all ! I thought about this resistor bias idea that Chris proposed , and found some some problems here . One of them discovered Chris himself - it is a big serial resistor in the grid chain , and it can cause not only HF rolloff ( it isn't a big pr...
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The Mravinsky’s and his orchestra trip to Austria in 1960 and this recording of the last 3 Tchaikovsky’s Symphonies are well known. I am sure any of us have a number of Italian pressed box-sets with 3 records of this performance. Yes, the Mravinsky’s...
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Those things are made to impress enough to buy whatever the maker of CD is selling. I'm glad you posted that review on DIY-audio although out of respect for the host it would be nice if you had posted it here first and out of politeness asked if you...
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My sub-bass amp is back but I am not sure if I am comfortable with it. The guy from QAudio did a wonderful job to fix my modified B-2 power amp and now I have my amp for ULF with passive line level filter in it. So, Now I have two identical, fully fu...
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[quote user="op.9"] Amir wrote:Hey , I judge the sound by myself , you judge the sound by yourself but we could have common area in our view if we be trained listener, do not search criteria if you believe good sound really exist. biased opinion is b...
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[quote user="starboy"]I decided recently to add the Shelter 901 to my collection of 'Groove Riderz' and wondered what was the justification of the price hike for the 90X. Read the same review as yourself and thought that I learn't nothing other than ...
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