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Everything posted by mypasswordis
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Left channel is almost distortion free after running them in a bit (not smart, I know). Right channel is still a mess though. I guess I'll take a look inside at the connections.
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Thanks, I'll keep that in mind if I ever need to do it again. Meanwhile, I'm trying to play music through my Koss ESP10 now after I rewired it for Stax, and it sounds very distorted and at a low level. One side is better and louder than the other. Is this just a sign of not having been used for 10-20 years or did I wire the plug wrong? EDIT: When I play with the balance controls left and right are reversed. I guess this does mean I wired it wrong?
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If the LEDs were red, it'd be Darth Vader's amplifier of choice. Sick. Meanwhile, removing the center pin in a WPI plug is a real bitch. I just attempted, and succeeded, for the most part.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
As long as it isn't his pubes. And as long as it makes my orthos sound like real life. I'll take an order of ERS paper, too. -
Wow, if that isn't a glowing review of a headphone, I don't know what is.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Only one question: How much do you charge per square inch? I'll take a combo of the roll-on and gel deodorant, I can't have my highs being too good, it won't sound real. -
The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Probably the same effect weatherstripping has, since they're both closed cell foam. This may explain its forward midrange (so I read). I find physical damping is extremely effective in getting rid of the resonance of the drivers. I put a square of foam in the back like I did with my other orthos and it nearly killed all the bass. I think I'll just try another layer of felt instead. The different materials put on the drivers do have multiple effects on sound, and of course you may or may not want back wave to be reflected by whatever you're damping with. Usually not. -
The whole reason of using wood was so I didn't have to source a CNC machine. If I take two blocks of wood, how many years will it take to sand in the holes for the cups?
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Thanks, that helps a lot. Now to figure out how to make wood that thin without breaking it...
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Stax very well engineers their headphones. You likely turned the Gamma Pro up way too high and the mylar diaphragm got too close to the stators and got fried a bit. You'd have to get an extremely thin mylar sheet, which is somewhat hard to source, and then tension them to close to what Stax did with the driver in the Gamma Pro. The entire process is hard to do (at least for me) due to the fact that you have to take apart the entire driver assembly, remove the old diaphragm, make a new one that is like the old one (very hard), and then put it back together. I'm sure spritzer has more to say, though.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Ah, very nice. Let us know how they work. Weatherstrip turns out to be extremely effective; thanks for recommending it. Brb cutting some foam to jam in the cups of my T50RP and then going to bed. -
The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Ooh, silk scarf. Doesn't sound like something that should be cut up and used for headphone modding, but what do I know, I'm the opposite of married. Cotton discs sound very interesting. I hate working with cotton balls, but maybe the cotton balls I have are terrible. -
Fitting title.
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That's true, most of them were from Grado's personal collection. Yeah, it's quite annoying for people who actually want the headphones when others start bidding it up for no good reason, with no intention of buying in the first place. Drives up prices unnecessarily and then poor people like me are left in the dust.
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That's my point. I don't see so many of the other high end limited production headphones popping up for sale all of a sudden and there are more of them out there. grawk is probably right about why so many are coming up.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
If you do come, don't forget to bring your T40RPMkII. I want to listen to it so bad... and it'll only take a few minutes. And a few more minutes for me to take pics if you want. And you can listen to my modded T50RP and whatever else I have. I'm close to getting it to sound really good. Micro micro meet, yeah! -
Oh right, the half a SR-Lambda I have left also doesn't have that foam. It pretty much just makes the mineral wool less obvious, which I admit is a good thing. I'm actually wondering how the Lambda Pro would sound with less or no damping. Probably worse, but krmathis recently mentioned removing the damping and making it sound more open.
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The damping Stax put in the older Lambdas is mineral wool, so you can probably buy a chunk of that and replace it if you need to. I assume you mean the foam on the pads that keep your ear from touching the metal. Loose open cell foam should be acoustically transparent or at least close enough. It's probably what Stax used in the first place.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Yeah, the SFI drivers really don't have much bass to speak of on their own. I ended up taking everything off the backs of mine and putting a bunch of crap on the front, like felt and weatherstrip, and it still doesn't have enough deep bass. I need to get to work on my AT-702 SFI some more. The fact that you had to use a reflex disc is good since it probably mean you're getting enough bass. As Colin said, I think I'm going to have to use leather or something for pads to seal the bass in. Luckily I don't actually need to know how to make pads to do this on the AT donorphone, all I need to do is cut out donut shapes. -
There's already another pair of PS1 on ebay. Pretty commonly found for a super rare headphone.
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The felt (and other backwave absorption materials) thread
mypasswordis replied to Dusty Chalk's topic in Headphones
Did you use the electrical tape as a reflex dot? Or did you just use it to hold the drivers in place or something? Dusty, come to my house anytime this week and I'll cut you off a big chunk of the superfelt. Hell, I might even just give you the whole thing. -
Amazing, it didn't go any higher.
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I got a sort of spare half a Lambda left, yeah. It'll go out tomorrow.
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I agree with you on that, which is why I sold one of my Lambdas to fund something hopefully.. better. Since I am too cheap to afford the SR-007 or 4070 I'm going for some DIY alternatives. I got a Koss ESP10 which I need to reterminate and replace the caps on and bought Birgir's Alpha Pro drivers for a SR-5 transplantation, and will eventually make my own DIY 4070 using normal bias Lambda drivers. It's gonna kick ass and probably break my neck.
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[asian accent]Good for them 'rocks', I hear.[/asian accent] Actually I find them to be a bit more resolving even though the frequency response isn't as balanced.