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| Romy the Cat's
personal site dedicated to advanced audio and evolved music reproduction
techniques
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Romy, et al, I got rid of my tube tester a few decades ago... yet I still need to match sets of tubes for equipment. When you consider many SE designs with no feedback loops, you need to match "sets" of tubes to get matched performance between ampli...
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I didn't comment because I don't have much to say. Correct me if I'm wrong, but I doubt it will have a smaller volume than a sealed box....
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Hi,I used telecom grade solid silver/palladium contact relais with heavy goldplating, sealed, gasfilled. They are quite inexpensive, but I found them equal/better than mechanical switches.Ciao T...
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From what I gather the JBL 2169 driver is an 8" cone speaker with a sealed back chamber. If this is so it was designed for a specific horn. It shall be used in that horn or a very similar one. The back chamber should be tuned/designed for the horn ...
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which is troublesome...They claim the suspension is sealed so the rubber do not corrode.There is also someone who pressure fits new styluses. ...
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Here is my response for the Supravox 285-2000 in 110cf tractrix. I designed a sealed chamber and with the qtc 0.707 it is tuned to 160hz. However I hope the modified version will be even better!...
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Scott, is it your specific aim to configure an enclosure to "effectively" lower driver Fs? While this, along with an exponential increase in power, is a proven strategy for generating ULF, it seems like this approach creates more of a sealed/"IB" hyb...
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Not that it matters, but I can't remember if that speaker was originally ported or really "sealed". Some of the old drivers were actually put in "tuned boxes", for better or for worse. I understand that your objectives for this driver afford you a ...
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[quote user="Horn Savant"]Window needs to be sealed with non resonant baffle. 416's sound spectacular in inf baffle ! May be possible to horn load to a corner using standardgood design precedents with good throat coupling like my previous pictureThis...
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Im in the process of building a pair of 115hz MDF horns. Any suggestions, on the size and type of vent for the the back chamber? Ive seen Jessie's implementation but I am pretty sure I will not be able to do that in my situation. ...
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Romy, are you saying McMasters-Carr does not have anything you can cut and/or bend and/or punch to your requirements?Otherwise, you know my view on the sealed LF; they just soak power, so why not give it to 'em (and then some!)?That ought to about pu...
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I heard the new or at least new to me Accapellas in the Marriott, ( the DeLuxe show which is a spin off) I thought they were pretty good, plasma tweeter,cone driver and mid horn and a passive bass which was sealed?I think they used to use active bass...
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Yep KIS. I dont use tweeters at all...just run a pair of Fostex 4" per channel in a sealed box from 250 Hz to where they will go. There is a little upward tilt which Romy rightly complains about to all the gods that wil...
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Romy,Take a look at the output from the HP amp with a scope to make certain you do not have a high frequency oscillation in the amp. Under headphones this would be very seriously reinforced. Then check to see if you have a very low frequency oscillat...
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Shake yourself, N-set!Surely, there must be more practical options?Aren't there plenty of fresh, new throwback and cult cartridges available from legitimate, contemporary Japanese, Danish and German companies?Sealed suspension, new stylus, my ass...B...
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From Newbury Comics, $4.50. Sealed.But maybe I'll wait until you determine whether the whole Mahler set is his, then beg to dub them.clark...
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You have mentioned that you want a much larger enclosure for your oops unit[s]. I was then wondering if you aim to merely broaden and/or lower resonant response or if you planned to in some way tailor resonance as it relates to Fs. T...
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I read an interesting post by Martin King, the MathCAD wizard that created some sheets to predict driver behaviour in different types of boxes. He had 3 groups of speaker enclosures: boxes so small that standing wave resonances (sealed and vented) ar...
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Per your recommmendation at your last visit, wish to try using your injection channel with the Dannoy with my horns.Are you using the tannoy only as a tweeter? If so, would you recommend my removing my tweeter and using only the tannoy's, or use both...
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I am using sealed bass arrays of 3 per side. I have six 10" scanspeak woofers in total. I aim to operate them from 38hz to 160hz with qtc 0.707I also have a tapped horn that I am using with my current horn system. It is 244cm's high and 125kg's compl...
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Very interesting...So if I understand correctly, the "Injection Channel" consists of a pair of Tannoy Reds, used as direct radiators, in sealed enclosures, which are intentionally "live", meaning, optimized to resonate according to your des...
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MY TT sits next to the heating buttery and I did note that my silicon dumping on 3012 was exposed to temperature variations. Not only that. The silicon must be completely sealed. I do not know how it is made in Well Tempered Arm but in my care, where...
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I have some left that I would sell you at $65 each + shipping. They are in original factory sealed bags. Romy if mentioning this here is inappropriate, feel free to delete. ...
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This new speakers from DeVore look interesting, though subwoofer could be better. I wish they were sealed box, but this is what it is. Unfortunately there is no chance for me to listen to them, but I'm willing to hear your idea or anyone who had chan...
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A $$$ solution for a bass array that comes into my mind are the sandwich cone drivers from Accuton.Monstrous neodymium magnet, underhung voice coil (for low flux modulation).Very low Fs.Relatively low QMS for use in sealed enclosure with transconduct...
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So 3cu ft enclosure withe dims. of Bill (to be made), Tannoy stock crossover. I'm thinking how to design the x-over entry to the sealed enclosure to have the x-over outside without breaking the seal. ...
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[quote user="Romy the Cat"]
Aura made their 1808 driver in 80s and most of the 90s and it was wonderful. It had huge high-temperature neodymium magnet, unique magnet geometry with underhung 4" edgewound aluminum voice coil. It was the only 18-inch...
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Your audiophile buddies must be deaf stitch, the Cessaro room was easily the best at the show, although to be fair there wasn't much competition, Magico sounded as if the sound was being pushed into the speakers, YG wasn't bad, their sealed aluminiu...
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[quote
user="xandcg"] EDIT:
would also be interesting if Tune Audio could have matching sealed sub-woofers
as option too (all their products), even if not too marketered (Tune Audio is a
"horn" company).[/quote]
Even though I usually very
muc...
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After my recent vinyl re-inspiration I did today something that I did not do for over two year – I went for vinyl shopping. It is not that I was walking by my local vinyl shops and stopped by for a glance or two -I do it occasionally – but rather...
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