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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I would like to build great horns for the bass as deep as possible and I use 4 woofer altec 416th.
the listening room is 25 square meter, dont have aesthetic problems.suggestions? ...
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Here's a pic (link) of my listening position.When I built my large Bill Fitzmaurice bass horn...I had thought about placing it in that space above the speakers, firing into the corner. I may still do that...but the sub is serving duties in the separa...
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I made some power measurement of the Super Milq, to my surprise it is not so much hungry east as I expected. During the startup, what the B+ begins to charge the large capacitors the amp sucks 8,6A. When the amps is fully charge, heated and in it cru...
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Today I listened to a CD dub of early Etta James. Not to speak of the quality of the recording, but it is good enough to hear that Etta sings right up on the mic, and the mic feed is treated to some reverb. I had the volume set at "15", not very lou...
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I had one for about a week and was not happy. Switched to a Kenwood KT1100.
Here an honest review that matches my experience. Bottom line is that on stuff this old, the individual buyer will determine the price, not the market.
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A few days back I got rid of the 60-year old Germanium glass diodes in the REL detector and put in there the regular 1N4148 4pF low-signal diodes/ it was quite positive improvement. I need to be said that detector diodes are not the regulars diodes b...
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CORRECT AC POLARITY
June 17, 2009 — puristaudio System set-up
"I wanted to talk about a tweak that costs little or nothing to do, while having the potential of paying big dividends in terms of sonic improvement. It involves a ...
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[quote user="George"] Recently I had a brainstorm (very small) and bounced it off Guy (who is a terrific person to talk to) and he thought it would be worth trying. Since I was driving such a relatively long length of RCA cable (thus subject to noise...
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I am trying to keep the discussion about midbass horns out of ULF thread, I guess if Rakesh would like he can create a separate thread dedicated to his specific installation and the design ideas. I would like to keep the content of the posts more...
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[quote user="Romy the Cat"]
Andy 1) Actually the most interest was in the fact that I was not asking two questions but one question at the same time as I see both of the questions are inner-related. I was under presumption tha...
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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 does not move. Hypothetica...
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Well, you see, the outer dimensions of the mouth of cause an indications of low end response and by objective evaluation of it is easy to estimate horn’s bass numbers. However, it is very far from “sufficient” assessment. A few years back I completel...
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[quote user="manisandher"] So, all the files you've recorded @ 24/88.2 have the HDCD flag? And you've never noticed? How can this be? I'm sure I've read your previous posts Romy where you state that you don't agree with HDCD for >16/44.1 and that ...
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If I have learned anything in my time with audio, it is that EVERYTHING can make a difference because we do not understand all of the interactions. The question is where do the differences come from? The level of perception where these things become ...
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Play with REL I made other modification the boosted the REL sensitivity to insane level. I modified the way in which my REL delivers antenna’s signal to REL’s front end. Now my REL has BNC ground lifted antenna jack (I tended to use BNC connectors fo...
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[quote user="twogoodears"] I agree with Mingsu questions about "what" physical area must be aligned, as every inch +/- gives sometimes different results... [/quote] Come on Stefano, you do not align the “physical area”. You guys are so preocupated wi...
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Interesting. I remember getting low contrast levels when using the asa 32 film (I think it was pan-x), but huge grey scales. Sometimes I shot in tri-x just to add drama. In the end though, my best prints were from the pan-x using ne...
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Hm, that is a good question. I honestly do not remember. The 6ch Super Melquiades has 7A fuse but I have no memory about the fuse I used in single channels amp. During the assembly I used the lamp fuse – that is given but in the final version I just ...
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Using the AD/DA and employing those Dominus cables I could not believe lived without the tape loop. Plugging Pacific into the loop I in fact save one spare cable and got assurance that I would never will move/plug/unplug my AD anymore. I feel like w...
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Romy wrote:"...the common rule is to beef up the joints but I propose more elegant approach – to jam the horn by spreading the possible “micro mouths” vibrations. To do is very simple – slice the sections not perpendicular to the horn axis but at ang...
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Can anyone shed some light on this problem? I am using a Yamaha T-85 stereo tuner. It has meters to show the strength of signal quality. Yesterday after installing a Terk indoor antenna and properly positioning the antenna I was able to get a ...
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Hi all, I have a t350 horn that I recently got out of an old cabinet at a junk shop which does not work. If I connect it to my Marantz 1030 amp it will only play very faintly as if you are listening to cheap earphones laying on...
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Romy,I have seen this a few times with JBL and Altec drivers. This phenomena occurs more often in Alnico magnets than any other type of magnet. When a magnet is recharged, it is blasted with a very strong magnetic field. There is really no way to “ha...
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That's much more than I am able to spend!All of the stuff came in yesterday so I spent an arduous day having to rewire my system.I had been using a 2000VA isolation transformer for each channel. All that was connected to the two transformers are now...
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I understand that with my desire to have 2-chanals instead of 34.6 channels for my video room I am bit off the bitten path but it is what it is. I am comfortable with what it is and as time goes by I more and more form my objective and my interest in...
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Romy, no not at all. I'm listening to music right now and prefer running directly from my new AC mains rather than from the PP2000 battery. But it's so soon after my dedicated mains system has been installed that maybe I should just wait a while befo...
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I was considering for a while making some re-arrangement with electricity lines in my house: to add and remove some lines from my stand by generator, to power pool from different circuit and some more changes. I was kind of considering running a dedi...
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Moved Reply to the linked thread:[quote user="glaesemann"]In the past you've referred to current loading in the context of cable length. I recently experienced this when I experimented with moving my amps. I needed to increase the IC length from 1 me...
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My first answer would be "3". But then I think some more...Is "A" really a shunt? Where is the power dissipated? Certainly not in the capacitor. The signal is burned off (converted to heat) in the series element! In circ...
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OK, I have conceptualized what I need for the tweeter amp. It will be MilqEZ – the same Milq one with 6C19P at output. I will use the Super Melquiades power supplies but the HF channels will host own last caps of the filters and own bias of the both ...
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