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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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zanon Rta is a handy tool to start on. it shows you all ...now you need to know what you gonna do i suggest that you better get more help from your ears.if you cant be fucked learning physics and acoustics you end up with nothing especial ...it can b...
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[quote user="Ronnie"]The next big problem with sound here I think is a difference in sound level between upper bass and MF/HF.Upper bass seems louder (and ought to be). Would you help this electronics-handicapped guy to pad down the upper bass horn w...
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Romy wrote :"...And with 1600 pound per channel you might forget about the DPOLS … -..."No, 1600 lbs per channel would be really serious! 1600 lbs is the total combined weight of the Left and Right channels, with frames, (the frames turned ...
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[quote user="jessie.dazzle"] Is the S3 as sensitive as the S2? [/quote]
Yes, they are appearing to be the same sensitively.
[quote user="jessie.dazzle"]I keep telling myself that I am almost done making horns, but I keep having ideas to try...
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I don't suppose I get this, either.Why would you ever on the conceptual level opt to NOT have "Full Range" and a "flat frequency response" that covers the whole audible spectrum?Sure, this is easier said (or thought of) than done, it's "complicated",...
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Thanks for your comments, Romy.Edgarhorns weren't an obvious choice. Many horns never worked for me. The Avantgardes left me cold. So did the single-driver crowd (I just don't get it....), Altec VOTs, PA systems, etc. But there were some systems ...
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Ok, it turned out that I had all caps and coils "in stock" necessary to adjust the filters very close to Romy's recommendations.Its still not perfect, and I had the mic 1m from the membrane of the driver (had not yet rea...
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[quote user="Romy the Cat"]Listening what you are saying I wonder of is it possible that you in fact are taking about a very fine balance of HF in your playback? Just for a sake of experiment: when you feel that the “conditions are not met” anymore a...
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[quote user="jessie.dazzle"]Even if you don't agree with the design, there's some clever DIY going on here.[/quote] Sorry, I did not now see any “clever DIY going on” in there. For sure he is a skilful, perhaps wonderful machinist and perhaps good ca...
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[quote user="jessie.dazzle"] And Ok, maybe I don't have all the filters dialed in, and the DPOLS are like a dream to me now….[/quote]
And with 1600 pound per channel you might forget about the DPOLS … -:)
[quote user="jessie.dazzle"]Here is an RTA ...
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I have an Upright piano in my listening room, it has been there since day one, so I dont know how different my room would sound wihtout it... Maybe I will haul the piano out one day just to test it: nah...A bunch of years back we were testing two a...
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[quote user="Romy the Cat"]
So, you get a pair of loudspeakers and a room with comfortable foe you reflection pattern. You set up left loudspeaker (left for you) where I need to be. I always suggest starting from left loudspeaker as it cares the f...
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[quote user="Romy the Cat"]...though considering the scope of his customers he might not stick the MF drivers into the horn and those Morons would hardly notice anything. Most likely this specific Moron got the speakers second hand... [/quote]H...
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Ronnie,
There are no needs to be funny about it and there are no needs to get a daytime job.
A phase tester and RTA analyzer are absolutely obligatory thighs to employ and they are inexpensive and very simple to use. A simplest phase tester you mi...
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decoud
The stereo lab store prices seem very reasonable, considering the cost and work of molds making, shipping is something else altogether, another factor yet, but my question always comes back to the tractrix curve, there is always a loss ...
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A kind chap from the Lansing Heritige forum has identified my new driver as a 2482. Interestingly those good radian people do an replacement aluminium diaphragm for this driver.What remains to be seen is how big the advantage of the original phenolic...
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Hi everybody,Anyone heard of these horns:http://www.bahnsenengineering.dk/models.htmInstead of using some costly, low resolution RTA, here is a free alternative:http://www.libinst.com/SynRTA.htmand Audio DiffMaker (signal difference extraction softwa...
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Not to over think it, but just tossing it out there: Most tweeters/super tweeters do not have low pass filters to take care of +30 dB at 22k Hz. If your RTA uses a microphone, and your number is above the tweeter's natural output, adjusted for mic cu...
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hey romy and all-i recently came across a strange phenomenon (to me.. maybe not to everyone else!).I just started using RTA as a method of evaluating my results with my own 2 way speaker system, and I'm finding that I'm ending up liking the sound of ...
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The box is about 5 cu/ft apperiodic with 3 x Scan Speak vent on the rear panel. Damped with cotton blanket (filling 60% of inside) and braced rather well. The driver is JBL 2220 crossed at 80Hz with 12db slope. All other channels ar...
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Romy, do you still have the "bass traps" from your previous house? I also hate an "over-damped" room, but it might be useful to know more about the "character" of the room modes you have mentioned. Sure, the 60 Hz plagues everyone. The RTA will te...
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Well a scepter or a baton... Last night before setting up the RTA, I listened to a recording of orchestral works from Strauss (Kempe conducting)... It was early enough that I could "air out the system" a bit. And Ok, maybe I don't have all ...
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I experimented with a DEQ2496 on and off for about 6 months, and had a love-hate relationship with the unit. I eventually dumped the machine. The unit has a ton of features and in someways makes conceptual sense, in someways does not make practical...
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Ok, how to start. First of all we have to understand that out subject of attention will be a region between approximately 80Hz and 500Hz or something that shape the fundamentals of the “melody range” within your playback. Search my site I have writte...
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I'm following with interest the thread and must say that I'm baffled: Goto's "instructions" are - SIMPLY said - a mix between non-existent and wrong... I love what Goto's did in my system... BUT I think I did more with "my own" care, "my own" taste, ...
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Romy, thanks for your thoughts,Quotes from Romy in blue : "...I personally do not feel that you use Fundamentals Channel properly. You desired to run your Fundamentals Channel up to 3200Hz but it is too high..."Maybe, probably, yes, OK, I a...
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[quote user="skushino"] The sub arrived before the main speakers, so I practiced integration with my existing speakers. They are rated full range to 20Hz, so I expected little change in performance. Instead, what I noticed with the additi...
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[quote user="skushino"] Edgarhorns weren't an obvious choice. Many horns never worked for me. The Avantgardes left me cold. So did the single-driver crowd (I just don't get it....), Altec VOTs, PA systems, etc. But there were some systems th...
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Romy, I re-read your comments a few times to better understand your feedback. I think you are saying the effects of my room may be dominating any problems with the Edgarhorn bass, or at least I can't know since I don't have any objective data. Is t...
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[quote user="twogoodears"] I learned nonetheless to use for my (limited) task (fine tuning my speakers and audio system in my music room) the great IVIE IE-30 R.T.A. and IVIE IE-20 white/pink noise generator [/quote]
You do not need white/pink...
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