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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Hi Romy,You beat me to it. I was going to post that I've never seen so many red LEDS light up on the Model Two!Have you tried adjusting the sensitivity of the peak level meters on the Model Two before you record? Could it be that you have the sensiti...
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Romy, do you have a panel meter on the DHT channel? I am currently designing the chassis for my DSET and looking at your schematic there is no panel meter for either driver or DHT. Just trying to figure out what would be useful to have in my amp.Re...
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Which is what i thought I had posted a few times before.I assume 14 watts of that is the inverter.Before I disconnected the computer and USB box it was 640 watts.I hope I am not completely misunderstanding what you are asking for but it is entirely p...
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OK... First, I tried an LP, and the right amp meter pegged on the big, loud stuff, just like it's doing with CDs. Then I swapped the R and L inputs... and only the right amp meter pegged on the big, loud stuff. Repeating the Etta James CD to re-t...
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OK... First, I tried an LP, and the right amp meter pegged on the big, loud stuff, just like it's doing with CDs. Then I swapped the R and L inputs... and only the right amp meter pegged on the big, loud stuff. Repeating the Etta James CD to re-t...
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Hello, where did you source the voltage meter?...
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I needed 20Hz - 50 Hz in a large 7 meter x 6 meter x 15 meter room, and I wanted a sealed design. I have wine barrels laying around and fortunately the internal 4 cu ft of a wine barrel is perfect for 2 x 15 inch woofers in a sealed system. The barre...
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I have directional rotatable antenna the runs ~150 feet of coax cable; I think it is 6dB lost in cable. Then I have 4-way splitter that eats another 12db. I deal primary with 3 stations.
The WGBH is right next to me, one mile away and at the locatio...
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http://www.purepoweraps.com/pdf/PurePower+%202000%203000%20120V%20Users%20Guide%20-%20August%202012.pdf
It looks like the new PP unit can output configurable 115V, 120V, 127V or 130V. That is very nice as it allow to bulk setting the pate ...
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I am not sure what all those conversations are all about. No one argue that a recording shell not hit 0dB and it was no my objective to prove it. The point that I was trying to make is that Wavelab meter did measure the right amplitude and the file i...
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Romy, do you have a panel meter on the DHT channel? I am currently designing the chassis for my DSET and looking at your schematic there is no panel meter for either driver or DHT. Just trying to figure out what would be useful to have in my amp.Re...
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A guy read my site and sent me a series of emails complaining that it is too difficult to found Imbedded positioning for his new bass horn as it is too big and too balky. Moving the large and heavy thighs and measuring them is the hard. I agree, but ...
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The problems with Smart Grids
by B. Blake Levitt and Chellis Glendinning
How is it that so many intelligent, inside-the-beltway environmentalists are buying into an eco-health-safety-finance debacle with the potential to increase...
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[quote user="jessie.dazzle"]From this and from the mention of 3/4" plywood, I deduce that the "curved" walls of these horns will likely be described by a series of facets (flat planes). It is said to be okay at these frequencies; this must assume a p...
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Rich,I have been experimenting with true Litz magnet wire (we use it in our transformers occaisionally) and have discovered that you can use discreete amounts of plastic dielectric material, spaced down the length of the wire, to "tune" the dynamic c...
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It is a shame that I keep finding threads about a 300Hz compression driver channel, that ends abruptly. I have been trying with a not-so-exact Goto S-150 replica (~1.7m deep, 75cm diameter mouth), and I know of another fellow in Sweden who tried the ...
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Hi Anthony Agree, waste is waste. The bigger the better. If you care bout sound too, i recommend the RG213 radio cable. Its perfect for that purpose. First, its coaxial which eliminates the inductance. Second its very hard so that during vibration th...
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Sorry if this is a trivial question already answered somewhere.I have just finished installing 3 dedicated lines for analog source, digital and power amps.They run directly from the house power meter, with a dedicated subpanel, each individually fuse...
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Or: Buy a new hammer and - for a while, anyway - everywhere you look, there's something that calls for a hammer.The electricity today was shite (thanks, Smart Grid!), but I none the less enjoyed some of the music I played. While playing Brahms' PC2...
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[quote user="Romy the Cat"]Sorry, Anthony,
I do not follow what you are asking. What does it mean “panel meter on the DHT channel”?
My DHT channel has a plate current matter. I find it useful but not truly necessary.
My sited at 38mA for years and...
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This for someone who do not use ULF might be considered as superfluous but I am going to tell you that that for me, the person who use ULF dally, it is an absolutely mandatory tool. The ULF channels have to have a good calibrate dB meter that in real...
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The fan is given as <15dB at one meter, which is about right on my estimation, though I have not measured it in my unit....
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This is very disappointing to hear.But in a way, it makes little difference to me. I had decided that I would only use the PP2000 from battery power when listening to music (or making vinyl transfers to digital). I've been playing the system this mor...
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OK. After a few days of self-education and harassment of various technical people I got what I need – the truth and the reasons why both of my Sansuis TU-X1 sounded so honorable from 75R FM input and so much better from FA-7 input. Below I will...
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[quote user="Jorge"]I am not using the S2 driver, I have been going the long way testing a bunch of different compression drivers. Right now I am testing the TAD 2001, I can say leaving it full range going all the way up, it develops a certain ...
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[quote user="KOTriode"] Thank you for the comment on this amp, this is my first time of using the 6C33C tube, I decided to build this amp after reading about the Melquiades, this amp is just a quick experiment on the 6C33C sound, since I have a s...
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Finally looking under the hood, for the first time, my immediate observations are similar to those expressed by Romy and others who've checked and reported earlier: Top-Flight construction; "more than adequate" (but not "premium") parts. My amp...
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Sorry for posting a bit of kindergarten trivialities but maybe someone without a dedicated line yet will find it motivating.I've finally connected my dedicated lines which took me ages. The lines are connected right behind the power meterand have the...
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I figured out that my site turned out to be a quite good source for “PurePower’s Survival Guide”. It would be nice to abstract the PurePower into a separate subject but it is too much intervened with the thread of “Bad Electricity” that I decided to ...
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Hi,this is my first post. This forum seems to be the hotbed for Goto discussion of some sort but there is barely any data but only a swamp of assumptions. So I bought a pair of SG-370DX drivers with S600 horns and measured them. Here's the frequency...
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