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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I spent most of the past year trying to get more/better Big Music from my system. I played with (speaker) drivers and crossovers, and I also spent some quality time on my LP playback, in order to make this happen. I have posted some results in the ...
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Let's see "series crossovers"... hmmm, very interesting. Something to look into? Where can I get more information? Should I contact an audio tech to design one? Can I send the current crossovers somewhere for evaluation or do I also have send the...
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Hi Jorge, Marc, Adrian, Romy et al,First off, Jorge what's your asking price on the modified DEQX ? Which model is it ? Who did the mods and what are they ? I am very interested.Adrian, as I recall you live in San Francisco. You are sti...
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You need to find an individual who can design series crossovers. Both JBL and Altec used these, because they sounded best. You will need to look for an individual near where you live because they will have to test the drivers as the design progresses...
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To follow up on Romy's latest broadcast on his visit to my house.My left and right speakers consist of Jl Audio 113 revision 2 subs to 70 Hz., Edgar 50 Hz. 6 foot Straight horns with two 12 inch electravoice drivers each to 500 Hz, Edgar round mid ho...
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[quote user="AnonymousUser"] Line level crossing or passive speaker level crossovers-same devil. [/quote]
If you are planning to build a dedicated LF SET then the line level crossing vs. passive speaker level crossovers is not the same devil. With a...
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I have also been thinking of subbing electrolytics for the huge - up to 100 uF - caps in my speaker level crossovers, just to hear it for myself. Although everyone says to use polys in the signal path, etc., I just wonder about a...
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Just 1 attempt to explain dumb questions, then a sleeping pill:OK, mistook the interstage couplers for speaker level caps, as though all channels were single stage, and from there projected the "active" band pass at speaker level (wrong turn at ...
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I am very interested in your DSET adventure, and is trying to learn more about the application of adding crossover elements into SET amps. Looking at the schematic, I noted that you add first-order passive filters before the first stage of your...
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I ask Jeffery about crossovers... Yes, the GOTO sub comes with a steep slope. The crossovers Jeffery built (all the horns) are 1st order, and cross-over points fine tuned by ear.
The “what to do different or the same” question was...
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I'm currently using a pair of LCY-100K ribbon drivers with their built-in crossovers. While they are supposedly 2nd order electrically, the actual response I measure looks rather more like 3rd order rolloff below that point. No comments about their t...
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OK, good luck with your experiments. Be advised however that if you use capacitors for high-pass speaker lever crossovers then those caps need to be aged. The amplitude of this effect wary from cap to cap but all of them in one way or other would ne...
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And as one of the other perpetrators...The nature of this kind of thing is compromise. The owner of the bass horn system wanted to run them together, for the enlarged horn mouth, and so we did - there was never going to be enough time to play about ...
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Just so long as the Berringer has a Jan Didden designed output board and has all crossovers done by 300 Hz and the 300 to 20 kHz is handled by a VERY GOOD, VERY MUSICAL and moderately slow tube amp, just to get the important part back into the middle...
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Welcome Sean19, Another member should correct me where I am wrong. There should be some tweeters that just start emitting in their proper frequency range and do not need a crossover. They might need a resistor so that they are volume balanced to ...
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Years ago, the two different systems in which I heard RCA 1428s - in a fairly big warehouse and crammed into a basement listening room - used giant RCA multi-cell horns in combination with giant Ubangi bass bins, passive crossovers and vintage WE or ...
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Romy,
Why preface my comments ? I've had the same system for 10 years basically. I do use digital crossovers but the 'Class D' NuForce amps are not digital at all. And the NuForce amps don't sound like stereotypical Class D amps, they are very quie...
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Jarek, where will you start? Even "using your ears" requires some sort of baseline, if to avoid the insanity of "random experiments". Enclosure volume and baffle size are variables in terms of sound, along with crossovers, and anything else you might...
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Ah ok, got it - not superposing the crossovers but modding an aftermarket one. I've located that UK gentleman you mentioned, but for the beginning I will start with the original Dannoy configuration and hear what happens. Thank you again...
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These are Romy's original boxes and scanspeak used as passive radiator. I have purchased 10 inch tannoy reds with their crossovers to replace Romy's which I have given back to him. My Trinnov is doing a 24 dB Linkowitz Reilly crossover at 80 Hz. To m...
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Hi Roman...thanks for the wise tips... I'm - at best - totally new and virgin to this very topic... I'm (sort-of) diarying my quest and search... I humbly hi-jacked, better... took ispiration, from you, Adrian, Paul on RtC, and Jimmy Auw's, and Duelu...
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[quote user="N-set"]
Only yesterday I started to get some interesting results after tuning the UK crossovers. But still not near to the sound I'm getting from my electrostatic headphone setup. I assume my Dannoy setup is quite compromised: one of ...
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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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Here is the list of the thing to do with Vitavox S2 in order to use it in 4-ways installations. The S2 must not be used in 2, 3 ways systems. It possible to do with S2 whatever you wish but pretty much any other way to utilize them produces some very...
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I changed the crossovers to the UK ones and made some measurements on my Dannoys. The crossovers are set to the Standard treble mode (I guess that is position 2 on the original Tannoy grey box crossover) and no 3kHz notch filter. Green curve - Le...
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[quote user="jtavan"] I would be interested to hear your reaction to the same CD ripped properly on a CD-ROM drive rather than recorded from SPDIF stream. If your transport is VERY good, they should be equivalent... but on damaged discs, or with bad ...
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[quote user="Bill"]
Had problems 2 and 3 here with my British crossovers
Both speakers have the 78 hz. Dip after a 50 hz. Peak. they are probably room resonances. Try moving the speakers and/ or the mike and remeasure.Also you have the sa...
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Anthony, it is not the subject of this thread but I am replying you since you raised a question. Is there are a lot of conspiracies about Tannoy vintage crossovers. They did many different versions and all of them well known. If somebody need I can h...
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[quote user="Axel"] I hope I got this right when going through this long thread with LOTS of information. Did you mention for upper-bass cross-overs Elko’s (electrolytic) only to be your preference? If I have it right, any special preference at a...
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I have heard hundreds and hundreds of audio systems and mine is by far the best. Honestly nothing even comes close. There is a scientific reason for this. MY system starts with a PERFECTLY tuned room...something overlooked by ma...
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