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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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I am not and expert in wood construction, all the building we do around here is brick and mortar, but, If you get the Horn wall close to the roof you could fill that space up with that spray expanding foam. The side of the Mid bass horn will be sti...
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Hello,Can you give me some ideas for a good room? Also, audio related ideas are always welcome too.The initial plan is a room with 5m H x 10m W x 14m D (about 16,5ft H x 33ft W x 46ft D). Solid floor, probably porcelain tile (chess floor style), and ...
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I would have to believe there were big sonic gains in store before I went through the trouble of designing, building, testing, (and re-building) and integrating giant horns in any house. Romy, as I recall, you already have enough 15" drivers on hand...
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Ok, I said a mistake, I like direct radiator (sealed speakers) too, but I often noticed more dynamic with horn speakers (I like every speakers (if properly tunned) except speakers that radiate with both sight of the drivers (bass-reflex, tapped horn,...
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A typical switching supply does not evenly load the input (sinewave) power source and can create some dirt on the AC line (Paul's "backwash" statement??). Depending on many variables, the amount of contamination the switching supply could contribute...
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Romy, I have some (strong) opinions on DHTs concerning filament supplies versus specific tube types. For virtually ANY 45 triode, AC is my preferred option. Still, not all 45 triodes will be acceptable for my use, hence weeding thru many of them to ...
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Hi Romy
6CJ3 (or equivalent) is the one you want. Though I've not used them myself, I have pals who regard them highly, FWIW. It has an average current rating of 350mA, but don't forget that for a given draw on the supply, the average current throug...
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This thread has been pretty interesting overall. I've read most of it and would at least like to provide some feedback on the technical side of designing with the 45 and 2A3 DHTs... at least from my personal experience. A few years back I decid...
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I totally am a believer that the construction of a tube determines how it will sound. This makes perfect sense when you consider the tube is relies on the changing flux of electrons in a vacuum. It is easier at least for me to visualize this as a ph...
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Romy, That gets you where you want.. good transfer curve, low distortion and about 2.7-watts output. 2A3 should last a long time. One question and one comment:Question: the 0.75 ohm resistors in the filament lines on the 2A3. Is it your in...
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Tom Danley, the owner of DanleySoundLabs is an interesting not BS-type of guy. I would not be surprised if his middle-like speakers sound more interesting then majority if high-end audio speakers. It not necessary says that his Danley’s speakers grea...
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No 4th of July would be complete without some martial music, including the oft-adopted-by-the-military JP Sousa.
I actually like band music, and I have some very interesting old dubs of JP Sousa's music conducted during Souza's lifetime by Edw...
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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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LBJ, now that you ask, it's funny to say here that I first ran across both G-10 and Micarta for use as knife handles. I really dig the tactile qualities of these materials, especially G-10, and I thought my high-end customers might like them as...
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I'm thinking about trying to put together a Melquiades amplifier for myself. I printed out a copy of the schematic (thanks for sharing). I have a simple early question. Both the 12.6 and 6.3V windings for the filaments are shown as being center taped...
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Well, once you get to machining it's expensive anyway, but you might re-use your old cover along with a series of simple shims and/or spacers of varying thicknesses/lengths, and use studs with nuts in lieu of bolts to retain the now-varying-thickness...
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Romy, You make all very good points. I probably shouldn't call the front of the driver a phasing plug, because actually the long wavelengths really don't care much about the shape of the exit, they will just pass right through...
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Hello Romy,I've only heard the 801 in class A2, but I can easily imagine that the 10Y or 801 with nickel output would offer the purest possible sound in the 1k-10k range, such that it is the S2's true voice you are hearing. It's something I'm going t...
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AlloOn the matter of the DHT having a plate resistance of 500-700... you do realise that running the 6E5p with an unbypassed cathode resistor is giving you an effective Rp of about 12k, right? The formula is, IIRC, Rp + (mu+1)Rk.Given that 12k seems ...
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"Meant to be?"
With 100.5 dB efficiency in quarter space I plan to use a dedicated tube amp. Yes, some people use high powered amps to see how loud they can get Def Leppard, but I don't see any reason to. And some tapped horns...
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I'm also concerned about the range, but I believe that in using an appropriate driver, I may be able to achieve a target range of 40Hz to 400Hz.One reason for my wanting to achieve this range is precisely for the purpose of not wanting to have a 4-Wa...
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ahh yes, tapped horn is what you would call "close bottom." It has to be designed around frequency response (which is very narrow band). It isn't a problem getting one to go low enough though, and the quality of sub bass produced, smooth yet dy...
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Hello Anthony,I did experiment with metal tubes for bass in a sealed configuration as you are planning. The weight of them, even made out of thinner than you would like steel, is prohibitive. If you make them out of aluminum pipe, then it could be b...
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Jarek, can we just stop talking about the Dannoy "output" at 20 Hz, just because that's Fs? Not saying the Tannoy doesn't benefit sonically from its Dannoy configuration; but, if to add LF, as you say you want to, then you need subs, since the Tannoy...
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Since I last posted there has been some progress to my indoor and my outdoor systems. Indoors I have added a pair of tapped subs. I must say that I am quite happy with these. Of course they are not as good as full size front loaded horns but still a ...
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[quote user="anthony"]The large 42Hz horn would probably want to be crossed over from 160Hz-200Hz at the most which would leave the top octave of the horns range for attenuation. So what you really need is a horn from about 100Hz to go above it...no...
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Hi Romy,Its an Altec 416-8A driver in a ~100 Hz exponential horn, Jbl 2441 in 350Hz tractix, Aurum Cantus G1 tweeter and Eminence Definimax 4012 HO in ~30Hz Tapped horn.I just hooked it up and the highs are promising but I thought the lower end (200 ...
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Thanks The CatI'm posting the pics of the build as I progress so people can see and pass on ideas, that's all. Are you suggesting you don't want horn projects shown on your site? I had earlier outlined the design, including cross-over points etc.I as...
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Hi all!
I am also big horn fan from Latvia.This is my first horn project Prelude.1" high frequency driverCrossover 4000HZ2" midrange driver crossover 500Hz15" midbass crossover 100Hz15" Tapped horn (is not yet complete)Unfortunately midb...
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Murataltuev, I am not qualified to advise about the fine points of horns, per se, but I am guessing the big "slab" in the middle of each horns tower will create more problems than it solves, at least with respect to sound. Honestly, unless you are OK...
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