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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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…is to see how the Red Wall will load the room. Following the context of my Imbedded Macro-Positioning subject:
http://www.goodsoundclub.com/Forums/ShowPost.aspx?postID=4421
it would be very interesting to see how the out from th...
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Guy, here some unconnected comments that you might find worth considering. They are in no order or importance, just random thoughts.
1) Talking and describing about horn we shall always mention at least 5 mandatory characteristics
...
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Romy wrote : "...if you outsource the job of making your 40Hz horn then what price you feel would be reasonable to pay for the pair?..."I will take the question to mean the price it might cost to pay someone to make similar horns...
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[quote user="jessie.dazzle"]
Romy wrote : "...if you outsource the job of making your 40Hz horn then what price you feel would be reasonable to pay for the pair?..."I will take the question to mean the price it might cost to pay someone to&nb...
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[quote user="floobydust"] The final ratings on later ST-style glass 45s was 10 watts on the plate and 300 volts cathode to plate max. Recommended bias current is between 34-36ma max. Short answer... I prefer no more than 34ma on the 45 cathode. I...
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Jarek, the PP unit
is basically a Chernobyl reactor that radiates a lot different fields. The PP
did a reasonable job with incasing the unit in whatever they use (if you open
it up you know it’s not so light and easy enculture) but it is never eno...
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[quote user="drdna"] What was more concerning is today some 60 Hz hum also re-emerged in the system, sounding like a vibrating cell phone going off in the back of the room. It was interesting how it was sort of localizable, but the hum is annoying. A...
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Since my playback is officially down I decided to give up my PP2000 for a local audio guy. He guy live in rural aria but has notoriously bad electricity and for many years was trying virtually anything but still what I visited him he always had v...
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Mr. Richard Hardesty has published recently on his site an article on the similar subject.
http://www.audioperfectionist.com/PDF%20files/APJ_WD_21.pdf
I would in a way agree with his findings and observations. However, I would not agree that the ne...
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[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...
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Paul S wrote :
"...my wife would shoot me if she knew I was thinking of using the art as room treatment..."
My "wife" (we are not actually married) is an artist... A while ago I had the idea to stuff the chassis of her paintings from the rear s...
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I am on record as not liking back loaded
horns:to be effective at bass frequencies, a BLH needs to be as long
as a FLH would be; I've yet to see a BLH, with the possible exception
of the Tannoy Westminster, that actually has a long enough horn ...
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I see what you mean. I still would go for 10" or
8" drivers. I happened to love the scanspeak (make sure that it was exactly
my model and the box is made probably: large and over-dumped) but if you do not
like them then it is fine and you need
t...
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[quote user="tuyen"]When i change the cutoff of the 505tt to 200hz and 250hz, I experience that same 'hole' you mention about. Hence why I was questioning if it is the 160hz le'clech horn causing this and if using the goto s150 horn with it's di...
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As I said above your you "experienced today with GOTO" is just your transitional
feeling and you will change this feeling many times. To accommodate a pair of 42Hz
horn in a system is a year-long project otherwise you get an accidental result.
In...
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[quote user="Romy the Cat"]As I said above your you "experienced today with GOTO" is just your transitional
feeling and you will change this feeling many times. To accommodate a pair of 42Hz
horn in a system is a year-long project otherwise you ge...
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[quote user="wvdave"] I see this project as enhancing the value of the property…[/quote]
I also see this project to enhance a value of property. If I place in the mouth of my midbass horn some kind of MF/FM driver then I will be able to presen...
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Hello Romy and friends,With regard to constructive criticism:
At the risk of stating the obvious: Not many people (audio manufacturers included) have your level of references with regard to both sound and equipment (to say nothing of musical cu...
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Collin,I would suggest that you abandon the idea of placing your speakers against the back wall with that reflecting/diffracting angle in front of the speaker(s). Such a structural intrusion would not be kind to the polar radiation pattern ...
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Part 5: HornsIt was quite bad, bad on all horns…..
The first was the “new horns guy” …
(references to: http://www.goodsoundclub.com/TreeItem.aspx?PostID=484)
This year behaved quite nicely. Seeing me he immediately told that he has not...
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The history of stereophonic sound
1881 - Clement Adler at the Paris Electrical Exhibition put "a series of 80 telephone transmitters across the stage at the Paris Opera and connected them by wires to telephone receivers in a suite of four rooms" in ...
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Serge, this is ironic that you make this port. Last night a friend of mine discussed exactly the subject of what alternately might be done with the vertical column and the horizontal ridge behind the listening chair. The column and the ridge are...
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[quote user="anthony"] Personally, I would prefer to have the equipment
rack somewhere else in the room but that is just me. [/quote]The subject of equipment rack to be in or out is
well debated by be in past. Unquestionably from sonic perspective ...
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Romy,
Air core is ok, but. 1. Self inductance in an unmitigated field clumps. You can easily see this by unwinding a hockey puck style air core inductor and measuring the inductance with each turn removed. Never will you have the smooth loss of indu...
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Among many outrages foolishness that are so common among the people who going high-end audio one of the most ridicules is use of Single-Ended Triodes and low sensitivity speakers. The people who have db-meters between their ears instead of brain are ...
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When I wrote my article: “Disregard the industry participants”
http://www.goodsoundclub.com/TreeItem.aspx?PostID=930
my primary objectives were exactly the subject of irreversible and unavoidable feedback-damage that the participants of the i...
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Actually it is very interesting question and I almost feel you pain for decision you will be making. I do not think that anyone would be able to express any arbitral opinion about the subject, as least an opinion that worth to follow. You see, buildi...
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I see some posts predicting that the use of bronze for the Mid-Range horns (see photos above) would result in ringing... Well, I respectfully beg to differ; I think this is one area where the designer may have done well... Too bad he polished them.
...
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Yes, it is certain in what I proposed there is majored disadvantage of having a suspended floor. A suspended is like a bad turntable – no matter what you do you would never be able to get proper lower octave. The idea to have horn firing from ro...
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I would agree that the Lowther is not hard to beat but the question is where and in whose mind does this competition exist? Is the Lowther, Manger, or other full range single driver in competition with different multi-driver approaches, other single ...
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