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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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This afternoon I was listening to a Rach 2/3 concerto performed by 20-something Georgian pianist Khatia Buniatishvili. I wasn't familiar with the musician, and was simply interested in listening to some comfortable background music. These are piece...
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ScottL,It looks like the two pics you posted are of different systems, the first being slot loaded PP, and the second (full-system) showing a "traditional" IB. You also seem to be confirming my intuitive hunch of potential sound benefits and horn ma...
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Guys, my attention has been elsewhere the past couple of weeks. The catalyst for the original post was to go beyond the usual "speakers in a room" approach, and use the room itself as an integral part of the sound. IB seemed like an attractive way ...
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I'm of the opinion that listening room aesthetics play a big role in enjoying music at home. This is self-evident, but over the many years playing with audio, my listening room has become incrementally cluttered with "audio detritus". It's ugly and...
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Oxric, I can't imagine a CD making good sound so low. In my experience, paper cone drivers simply sound better than CDs below a certain point, let's say 250 Hz (usually higher). Of course there are always exceptions to every generalization, and I h...
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It's too long ago for me to remember the sound of your system, but not too long to remember my reaction to your playback. I remember the bass being different. The adjectives that come to mind are only words, but for the benefit of readers who may n...
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[quote user="zztop7"]Hello Skushino,Glad to see "it's alive". I am near you, but I have a different phone #. You can PM me for it.Best to you,zz.[/quote]Thanks for sharing your ideas, ZZ. Much appreciated.Ironically, I'm finding that designing the ...
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This project just woke from a long slumber.I've been granted access to tools and people to move this forward. The tools are a large-scale CNC cutting machine and paint shop, used to fabricate volumes (large 3D shapes) attached to climbing walls at i...
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OT - Is Steverino your real name, childhood nickname, or how you prefer being addressed at the gym?You missed the meta-point. I waited a long time before trying computer audio because of my reservations for trading more convenience for lower sound q...
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Recently I tested the waters of computer audio. I've been using a Sony SCD-1 transport / Museatex Bidat DAC combo for digital playback. It has been a source of enjoyment for years. My goals for trying network-based music files were:- reduce physic...
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Romy, would you explain / help me better understand how you implemented the HP filter in Melquiades?The schematic shows a series cap after the first tube stage (C3 and C4 in the schematic). I think these are the first-order HP filters, correct?Quest...
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I finally added a -15 dB voltage divider to my ML2s last week to fix the noise problem from my L1 preamp - Why did I wait so long?!!The result is absolute dead silence. Nothing. Nada. It is almost impossible to tell if the system is powered on, ev...
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My point was simply that my interest in THs is because of the form factor, rather than any perceived sound benefits compared with traditional horns. To my way of thinking, THs are a specialized tool for a very specific application - ULF. ...
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Had a wonderful visit with my Japanese friend. But now she's flying West over the Pacific, and I wanted to add my experience to the TH discussion.The main benefit of the TH is the relatively small mouth compared with a traditional horn. That's all....
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Guest napping now from 16 hrs jet lag, so I have a moment...Jorge, you raise an interesting point about THs. I may be incorrect in assuming THs sound worse as they play higher in freq. Perhaps instead the limitation is one of narrow bandwidth rathe...
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Another very quick post - I have guests arriving from Japan in a couple of hours. Will respond more thoughtfully when I have some free time.University Dean plans: Mouth - 1080 in^2Throat - 78 in ^2S(d) - 132.7 in^2Compression ratio - 1.70Path lengt...
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I was rushing when I made the last post. Wanted to share a little more about my thought process and how I arrived at doing another large-scale masochistic audio project. Making a bass horn is a huge risk - the results can vary from exceeding expect...
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Sure, Romy. The commercial product has both midrange and tweeter horns inside the mouth. My plan is to use the bass horn on it's own, as a dedicated bass channel. The plan appeals to me because there are no folds, among other reasons. The expansio...
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I'm also of the opinion that the bass is one of the most critical and most challenging parts of playback. Not talking about quantity, but rather the quality of bass reproduction. My approach has been to split the bass in two parts - Low and...
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I'm wrapping up my horn building activities and have some leftover items available. 1) Edgarhorn 80Hz Mid-bass horns - Pick-up in Seattle - $350Condition - 8/10 based solely on age. No visible imperfections. They are in the identical condition as...
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Romy wrote:For Vitavox S2 to use Tractrix 600Hz with 1.5KHz filter is a bit too close in my view unless you stay with second order filter. Would you elaborate further about your warning? I'm very interested in this application.I think you use the S2...
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Adrian, I had Edgarhorns that have evolved since I bought them in 2005. In my current set-up, nothing remains of the original Edgarhorns as conceived by Bruce, other than the speaker system remains front loaded horns. I noticed the same sense of he...
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I was spending my time shopping for pianos a few years ago. I used to work too much, and was looking for an alternate 'right-brain' activity to balance all my time doing engineering at work. I spent a few months listening to every imaginable piano:...
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Midbass from horn in
small room can be hugely benefited if it bounces but to make the
assembly of horns visually pleasant, time aligned and functional at the
same time is a big question. I do like the notion of Midbass fires t...
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I've had a long-time desire to replace my Edgar 80hz midbass shells with a better performing solution. My Edgarhorns arrived in 2005, and I made incremental improvements over the years until now they have little in common with the original Edgarhorn...
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Bravo, and well done. Your room has taken a leap forward in aesthetics, losing the geeky bachelor audio lab look, and gaining warmth and social interaction. I'm envious of your regular access to live chamber music via Amy and her friends. The reso...
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Last week in a different thread I posted:"I've been reading about
the acoustic characteristics of the world's great symphony halls, like
Boston and the Concertgebouw. Did you know that Sabine, Berenak, and
Cyril Harris mathematically defined t...
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I've been reading about the acoustic characteristics of the world's great symphony halls, like Boston and the Concertgebouw. Did you know that Sabine, Berenak, and Cyril Harris mathematically defined those characteristics, using metrics like RT-60, ...
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How fortunate to have live music performed in your home. In the few instances when I had talented pianists (not me) play at my house, all thoughts of playback and acoustics go out the window. The music by itself makes me forget about all the geeky ...
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I can empathize with your fascination on how a piano might influence the quality of playback in your home. A grand or large upright like a Steinway K52 has a resonating sound board 6 feet long or more. A Steinway Model D concert grand sound board i...
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