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  1. cerbie

    JISBOS + K271 questions: bass (output transistors) and resistor

    Intro, in case you can help w/o knowing the K271's sound So, 20-30 hours into my K271 mkII experience, I noticed something: I was turning it up a bit much. With extremely well recording/mixed music, that's not a problem. I was listening to Tales of Mystery and Imagination: EAP today (I...
  2. cerbie

    AKG 271 mkII: how can I increase clamping force?

    SOLVED: post 3 Fedex finally got it out of the ATL distribution center, yay. I like the sound, just hair harsh in the upper mids pre-burn in, blah blah blah. The cosmetic updates look better in person than it looks like they should from photos. Now then, I'm having one eensy weensy...
  3. cerbie

    How do I do 1/8" TRS jacks in wood?

    I've got a TREAD ready to go (not being done is why the DAC707-USB is "soon" in my sig), and am eyeing some other projects. But, enclosures otherwise about the right size, that aren't too ugly, all seem to be too short. Then, there's the issue of heatsinking/venting a LM317 with the TREAD...
  4. cerbie

    rail splitting and feedback loops

    I'm getting new solder and a station, and so absolutely must try my hand at making amps, again . But, some basic questions: 1. Rail splitting. I know it might be as bad as asking what OS you prefer, but...if we assume that the amp is powered by a PSU at least as good as a TREAD, with some...
  5. cerbie

    What's the benefit of source-sided shielding?

    I consistently see recommendation for connecting the shielding [unbalanced] ICs on the source side only. Why is this? What's bad about hooking up the shield at both ends? To forestall any, "you don't need shielding on short ICs," which I see a lot of from searching, GSM noise is a problem. I...
  6. cerbie

    What attenuator impedance do I shoot for?

    I'm going to putting an attenuator, integrated into a cable, between my DAC (this is the future, not what's in my sig) and amp. I always have to have volume levels super low (this is true for any PC source I've used), and figure this will be a good way to slap it down and get some room to...
  7. cerbie

    Koss Titanium stock without volume control?

    OK, the new KSC75 has been getting on my nerves. A volume control in general isn't so bad--leave it at max. But it's too big and seems to always be in the way. It also makes using a Sumajin wrap annoying. So, what current Koss cans use the same driver, that can be popped right into KSC75...
  8. cerbie

    Which Sabbath CDs?

    I've got a recent Black Sabbath remaster. I'm less than thrilled with it. I disticntly remember the older CD (stolen) having much more life to it (quieter and flatter?), and that was well before I'd heard of head-fi. Now I go and look to see about getting everything up through Sabotage, and...
  9. cerbie

    How to clean Comply tips

    How do you guys clean the Comply tips? I've switched to them for my E3c from Shure foamies*, and after several days, they were gunked up (like yellow foams, they removed stuff from my ear canal, where other tips tend to cram it in). I tried alcohol, which usually did the trick for the yellow...
  10. cerbie

    KSC75/35 hybrid observations

    Inspired by another thread, I swapped my clips. KSC-35 clips on KSC-75 drivers, and KSC-75 clips on KSC35 drivers. I've waited a few days now, to try them in different configurations, and let time go by between listening. KSC-35: with default clips, I found the fit to be alright, but not...
  11. cerbie

    Should I sidegrade (E3c->UM1)?

    I'm definitely digging IEMs. However, my E3c's lack of low bass (the inaudible region--what I can hear is fine, but there's no toe-tapping low-end) has really been annoying when using them portably, and the cable is unweildy in the cold (the carrying case doesn't help, either, for that). With...
  12. cerbie

    Observations of an amp newb

    I've had the Xin Supermini-3 for just over a week now. The last few days, I've intentionally done regular unamped and amped listening to compare. I found it all somewhat interesting, relating a lot to environment, mood, and state of mind. Much like "why does a separate amp work?", I can find...
  13. cerbie

    Cable management (specifically, E3)

    Where do you find something to wrap up, maybe even clip down, the Shure cable? Mine's been driving me nuts, lately. The cable can drag on the floor, but there isn't even 2' between my DAP and my ears. S(h)urely something exists to wind it and keep it wound, that can easily be carried around...
  14. cerbie

    Cheap amp using non-9v batteries...

    Preface: I've held off on an amp, and managed to rationalize my way through some frugality. However, I read too much of this stuff about the E3c and KSC75 amping so damned well. I could handle that. I live at home w/ my parents, am still going to college, doing that whole thing. I recalled...
  15. cerbie

    Cleaning foam of KSC75. Is it possible?

    My KSC75s now have particulates from cheap chinese furniture all over them, and my hands break out just touching them. Obviously, I can clean the cord, clips, and drivers...but is there way way to really clean out the foam pads? I'll need to buy some new ones, anyway, but I was hoping to have...
  16. cerbie

    Worried canalphone n00b (one ear almost gone?)

    So, I got my E3c today. Took apart and washed the case (I'm allergic to the world, and that thing was plain nasty--probably the dye), then rinsed the tips in alcohol & water, as they had already gotten cat hair on them (well, the foamies didn't). Was trying out the sleeves, and the right...
  17. cerbie

    Preferred canal maintenance equipment (not the phones...)

    In doing some searching, and pretty much deciding on a pair of E3c for my first step into isolation (partly due to listening to music when out somewhere between 8 and 32 times the actual volume I use at home w/ my I5...and the cost vs. opinion differences between E2c and E3c), I found lots of...
  18. cerbie

    nm

    nm, wrong forum.
  19. cerbie

    Headroom Bithead questions

    1. Will the Bithead(s) work just fine in any OS that supports a basic USB audio device? 2. Will the Bithead(s) work with a wall-powered USB hub, rather than batteries? 3. Are there any negatives, aside from life, to using rechargable batteries? Background and stuff that led me to the...
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