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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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If you are going to build such a huge cabinet or put a hole in the floor to use the basement as a chamber, why not just build horns in the basement with a straight 8-10 foot section in the basement with the back chamber resting on the floor, cut...
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Recently, I added JBL 2220 for below 200 and replaced TOA DSP with Pioneer D-23 4way active crossover. The result is very positive, but there are still many issues I'd like to attend.I'll be out of country early in September so that'll be a goo...
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Romy, I understand you are saying that a midrange horn rated flat to 300HZ should really be crossed at 600 or 1200 HZ. That claim doesn't make sense to me, esp. with a 24 db or higher crossover (active). Unless you are saying that hor...
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Romy,>> getting rid of active crossover and go line-level shall give you very worthy and very predictable benefit then chasing a murky SET ideas.This is exactly what I plan to try by moving the current active filter to line level (in the amp). ...
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ok. maybe we have a different understanding of "electronic equalization". We do not use active (i.e. electronic) equalization in the amplification chain. There is of course some equalization in the passive crossover but I really don't see what's ...
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I'm monitoring your progress constantly, so I'm well aware of your discovery. But I find it somehow a cheap trick. This is a purely irrational feeling, absolutely irrelevant for you and yoursystem. Since I have the breadboards I keep looking for a ba...
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Dominic:Welcome to the army of the "Great White Horn". I have been using these beasts for almost thrity years.The flange on these horns is designed for use with a 1.4" or 1.5" driver. The JBL 2420 is a 1" 3 bolt "JBL pattern" driver.Adapters are avai...
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Hi Murataltuev,I have two horn based systems but the system that is similar to yours or Romy's is the one I am currently building. The drivers and horns are as follows.38hz - 160hz - Tad 1601b - Bass Array (4)160hz - 600hz - Supravox 285-2000 hornfab...
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[quote user="MINGSU"]As you pointed out, there is no simple answer but manufacture recommendation should be the 1st to try.[/quote] Well, I have no idea why you stress the manufacture recommendations. I do not think it was the subject at all, not to ...
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I did not make my mind about it but I have some “concerns”. Using SS amps and hearing different SS amps I do not like their bass and the notion of a powerful enough DSET to be able to drive ULF in A1 was born. Sounds logical. However, recently I ...
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Good news for audiophiles Cessaro new speaker is active and all Components like DAC DSP Pre and Power are in the new cessaro ported DSP loudspeaker.You just need a transport like cheap LG Samsung to play Ultra high end Sound ??https://www.cessaro.de/...
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[quote user="Marc HENRY"] For this Musique-Concrete horn system called "Grande Castine" (it was developped in Saint Cast Le Guildo, Britanny, France, from were females inhabitants are called "Castines" ) i prefered a modified 60Hz Le Cleac'h cylindri...
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[quote user="Romy the Cat"]Now, a few predictions. Next year, if the Silbatone folks are no fool. then will discard the stupid Aporia and will come up with a new loudspeaker.
The caT[/quote]A half of the circular baffle proposed by Manger would fit ...
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Hello friends,For long I wanted to address the issues of too few power outlets and improvement of AC quality. I currently use two $10 power strips. I do not have $2000 for APS purepower, so maybe some one can help me start off with the basics. I have...
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In my situation there is a missing link between my single ended phono stage and my balanced active crossover. Between them is 35ft. of interconnect. The missing link is indicated with "?" in the sketch.What I need is one single-ended input, some atte...
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Is there any abstract value to going for a preamp with a stronger output if you're using a passive xo at line level?I'd prefer to answer this question myself but i really don't have the budget to be swapping amps.How does a PLLXO interact with a non-...
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ACTIVE CROSSOVERS
1) Loudspeaker drive units of different sensitivities may be used in one system without the need for lossy resistive networks ( and L-Pads ) or transformers
( DEQX lets me use 98 ...
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I thought that a digital crossover had a negative impact on sound quality -- especially for use between a midbass, midrange and tweeter channels. So I made an experiment a what I learned was not expected.I used my mid horn and two high pass filters i...
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A Netherlands company that makes loudspeaker of the color of lesbian solidarity announced their flagman model: Euphrosyne.
http://www.pinkfaun.com/
It is 101dB d'Appolito configured ported Altec 414 supplemented with a 20” horn armed with Altec com...
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Well, how many absolutely transparent passive crossovers are there, line level or not? For me, the question is the other way round: if a passive crossover at 1 kHz can be done with good quality, I can "get away" with a single amp for the region over ...
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Saturntube, thanks for the explanation. I thought that HR2 was just inspired by RCA but it look like it direct copy of it.
http://www.audioheritage.org/vbulletin/showthread.php?p=117046
I never heard the RCA LC-9A but from the fa...
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Sounds like you have the important parts, all right. Well done!I am in Crossover Hell, myself, just now. They are the Devil's Playground! If you can get the drivers' actual, in-the horn, in the room, raw active data curves, then I recommend LEAP a...
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It is not secret that Stefano Bertoncello loves to appreciate
Goto and is very prolific Goto devotee. Some people love to be groupies of some
cars manufactures, or football teams or political parties. I never associated with any “group identity” a...
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[quote user="Bill"] If you are going to build such a huge cabinet or put a hole in the floor to use the basement as a chamber, why not just build horns in the basement with a straight 8-10 foot section in the basement with the back chamber re...
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The answer will be a complicated one, as the preamp is driving an active crossover. The many storage elements means the impedance is a function of frequency. There is no "10k ohms" answer. I hope you are driving these network with s...
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Some days ago, I re-installed the Goto CF-1 active crossover (fixed x-frequencies: 220/1000/5000 hz) with the full plethora of my amps....I guess Goto's recommendation is to cross at 220hz then... although 300hz seems to sound better. I haven't ...
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Yes but you are still going to need a higher order slope than 6db to prevent unnecessary non linear distortion from the bass driver and then the insertion losses inherent in a PLL crossover become an issue. Higher order slopes and active operation wo...
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[quote user="MINGSU"]GOTO always recommend to use 1st order active crossover and 2nd order passive crossover. The reason to use 2nd order for passive crossover is to protect the driver. Of course, the user can use whatever they like the best but the ...
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I am not completely thrilled with TwoGoodEars new crossover.
http://vinylsavor.blogspot.com/2012/01/making-of-line-level-crossover.html
First of all , Stephano has a preamp with tube out stage. The guy in his post says that the l...
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This is my current 4-way GOTO setup. I know it is in no way optimal but I am interested to find ways I can improve it's layout.
GOTO SG-38WN woofer in 360L onken cabinetGOTO SG-505TT mid-low driver with Azurahorn AH-160 horn (160hz le'clech profi...
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