Everything posted by ujamerstand
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Stax SR-507 investigation
507 + KGSS = good stuff. 507 + exstata = not as good stuff.
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The Headcase Stax thread
As little as $1475 in the American markets and the last pair I saw on japanese auction sites was around ~$1100 after currency conversion. No idea how the sr-009 would affect used o2's price. So what do we call the 009s now? The O3s?
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Have you heard this Smyth Research Realiser?
I've been interested in technologies used in the smyth realizer in a while. Turns out it wasn't that hard to do the head-tracking or the binaural cue coding stuff. Most of the research have been done and most of it have been published in academic journals. What's unique about the smyth realizer is that its able to simulate the listening environment from the measurements taken from those in-ear microphones. I'm interested in how they did that.
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slower forum
Anybody want to diy this?
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i'm on a roll... the kgsshv
The same guy also have some 2sk389s. You can hardly find those anywhere any more...
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Holy Crap! The New Stax Omega Looks fierce! (Stax SR-009)
OOh, very nice. Thank you very much. I thought they had increased the thickness of the diaphragm, but instead they made it thinner. I still don't see its specific thickness though?
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VLSI Layout
!!!! Please let us know when you managed to put B22 on a chip.
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VLSI Layout
That's open source software for ya. If You could always get Virtualbox and install unbuntu as a guest OS on your Windows host.
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The Headcase Stax thread
I just had the chance to listen to the KGSS at today's Toronto meet. It was very impressive. Especially with the sr-507, the KGSS had driven it much better than my exstata hybrid. The exstata had a slightly recessed bass comparatively, giving it a forward sound. OTOH, KGSS sounded more balanced. The exstata also had a tendency to distort under loud volumes, something that KGSS does not do. Overall KGSS is a much better amplifier. I can't wait to build the KGSSHV! I've also had the chance to listen to O2 mk1. There was an issue with channel imbalance with this particular pair, but the KGSS had separate volume controls for each channel, so it wasn't too big of an issue. Despite the issue with it, I liked it. It was very spacious, had more bass impact comparatively, and was very comfortable. However, I had the feeling that it wasn't as clean as the 507s on the KGSS. It probably has something to do with the issues surrounding this pair.
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i'm on a roll... the kgsshv
I'll be looking to you for replacements if one or more of my devices blow up. Good Luck.
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Hey Head-Case, what's your bandwidth like?
You should definitely consider teksavvy cable. For about the same price you can get 5 times the cap. Also, since they are on the same lines as rogers (for cable anyways) you don't have to worry about degrading performance.
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Hey Head-Case, what's your bandwidth like?
...eh?
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slower forum
http://ca.gizmodo.com/5765091/top-10-headphone-hacks I'm definitely going to try out #8.
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slower forum
Definitely a Darwin award candidate.
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KGSS Help
That's the right one. All the values are printed on the board, I think. If you want, you can substitute some of the transistors with new ones from kgsshv. Also, read this
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slower forum
This reminds me of Perry Bible Fellowship:
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The "#$!* I forgot to Order It" Thread
You can get those at partsconnexion. They are about 35 cents each. If you pick small packet air as your shipping option it shouldn't cost too much.
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The Headcase Stax thread
only on HC:
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New Forum Software
The new forum software doesn't seem to like special characters in certain fields. Maybe you could ask a mod to change your old user name for you instead?
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slow forum
Holy crap. This guy can jump higher on the bike than I can jump on my feet.
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Post the last thing you bought!
A bag of transistors. But I got hit with 40 brokerage fees on top of import tax. I should've known better than to pick UPS as the shipping company...
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i'm on a roll... the kgsshv
What little diode charge for 2SC3381 is way higher than it should be. bdent has them at half the price, and there is a diya member that sells them at $1.5 each.
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i'm on a roll... the kgsshv
Who's to say there won't be a full plexiglass build? Jokes aside, you're right, its not that big of a deal. But its a simple change, so I thought I'd bring it up anyways.
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i'm on a roll... the kgsshv
Could we move the words "celebrating 50 years of stax earspeakers" to the bottom so that they aren't blocked by the caps?
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i'm on a roll... the kgsshv
Correct me if I'm wrong; since the input stage runs in current mode, jfet matching across the channel is not really necessary, is this correct?