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CarlSeibert

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Posts posted by CarlSeibert

  1. That looks pretty official. The support people told me the hardware had been rejected and they were waiting for new hardware, which wouldn't be in hand until the third quarter. Maybe their left hand wasn't talking to their right.

    "Two men say they're Jesus. One of them must be wrong" - Dire Straits

    I downloaded the new server.It looks like it will be another nightmare to make it run on Mandriva 2007, if indeed it is possible at all. Arrrgh!

  2. I'm pretty suspicious of this. I just had to RMA one of my Squeezeboxes. There was some question of whether or not Logitech would replace it under warranty, since it was technically out of warranty and actually out of the grace period. If something breaks and is out of warranty, they give a credit towards the purchase of a new unit. I asked about the Touch (which is, or would be, the direct replacement for the SB3) and they said they didn't expect it to actually ship until the fall. If they got production stock in hand six months early, that's great news. But how often does that really happen?

  3. Plane tickets purchased. I arrive Thursday. Have to be downtown doing work-like stuff on Thursday. Will make my way out to O'Hare Friday. Are there any great vinyl shopping spots I should hit on Friday before setting out for the meet hotel?

  4. Hey, that stone is just a brick, more or less. A two hundred dollar brink, I grant you, but still, what's the fun in a brick? I want the stones you scotch tape to your cables!

    Disclaimer 1: Putting something heavy on top of a cabinet, particularly a flimsy one, is often a good idea.

    Disclaimer 2: Far be it from me to imply that the psychological effects of scotch taping rocks to one's interconnects couldn't make a system's sound, which is perceived after all, better. For a while anyway. It's just that, well. Scotch tape! Rocks! Hmm. Scotch. Rocks. Maybe there is something to this power of suggestion stuff......

  5. It's more effort than putting a banana plug on a 3 core mains, but not much, neither is a hard job. But the difference in volume was large.

    I'll dig them out of the box tomo and check if need be, but it worked out at like one quarter turn on my amplifier dial with the Soundlabs. It turns less than 360 degrees from nil to max. So it was a LOT of power lost.

    I am running a small amp with very very hungry speakers so the difference might have been upped because of that. But after I spotted what was going on I was most surprised.

    Yipes! Mine are three runs of cat 5, split into positive and return (so that there are 12 strands, which works out to about 16 or 14 AWG IIRC.) I didn't run into anything that would suggest a big increase in resistance. (With a low power amp and pretty sensitive speakers, granted.) About the only differences I heard, compared to 14 AWG stranded, were better resolution and top end extension.

    I braided the cat 5 cables whole, then split each positive/negative pair and aggregated them to make the ends, by the way. Next time, I think I'll still braid the three bundles, but I'll take off the icky vinyl outer jacket and wrap the whole affair in Teflon tape so I'll have all Teflon dielectric. Compared to the really anal ways to make a cable out of cat 5, it's pretty easy.

  6. this is turning out to be a cool math problem :)

    That's easy for you to say :D

    If you want an ultra cheap solution, cut the bottom inch or so off some pop cans and fill them plaster or epoxy, this will give you the concave surface for the ball bearings. Overfill the top edges by a bit to cover the sharp edges on the cans, stick a large marble or ball bearing between a set of can bottoms and there's your ball bearing isolation device.

    I was thinking sort of the same thing, but filling the back side of the negative lens with JB Weld. That should (hopefully) support the glass well enough to keep it from breaking unless the load gets pretty large. Hmm. I wonder if epoxy would be hard enough? You could mold a positive lens - or anything convex - repeatedly into epoxy to make multiple parts.

    I wonder if you could achieve the same result by hanging the load from short cables or fancy high-zoot fishing line? This thing seems fairly pendulum-like, so why not try a real pendulum? That might be better suited to an application that wants an isolation platform, rather than feet, but it's a thought.

    And I just noticed I somehow thought the OP was morphsci. Humble groveling apologies.

  7. My thought was the flat plates (in addition to being easier to source) would provide no resistance to lateral motion, which seemed at the moment to be the idea, while being solid up and down. I figured the o-ring would prevent the whole affair from walking off the plate. But then I guess it might just walk until it hit the o-ring, in which case you would have a resistive/reactive affair based on the elasticity of the o-ring being squashed under the ball.

    Now I see that the idea is more like a pendulum. As the system displaces sideways, it lifts whatever is sitting on top of it and a moment later gets pushed back to its neutral spot. Which suggests that choosing and then achieving the right resonant frequency is the trick. Which, in turn, would require math. Oh dear. That brings us back to Jim's original method - find parts of the same dimensions as an example that already works.

    I like Ari's idea. Glass and ceramic objects can be concave and they're pretty hard. And who doesn't love Ikea?

    How about a negative meniscus lens? Eyeglasses are almost all plastic nowadays, but maybe at a place like Edmund Scientific?

    I don't know how hard it is to make ceramic objects of the hard sort of material, or if it's really hard to hold tolerances, but a school with potters might be a resource.

    I asked my wife to inquire around her jeweler friends to see if zirconia spheres are reasonably priced in that market.

  8. While I've never taken the effort to measure it, I doubt like all get out that one set of eight conductors by 30 feet would be a capacitance problem. Most Cat-5 speaker cables have a ton more conductors.

    By the way, with some looking you can find plenum grade network cable that has Teflon dielectric, at least on the strands themselves. If you, ah, obtain a reel of such, there's all kinds of possible configurations for speaker cables.

  9. Sorry to hear that cat wasn't yours, but it sounds like things will work out, one way or the other.

    One of my wife's friends lost one of her cats about a week and a half ago and the critter found its way home yesterday, thin and bedraggled but basically in good shape. So that was a happy ending.

    Meanwhile, I'm counting the french doors on the inside end of our front hall as one of the best investments I've ever made.

  10. I don't think the P1 has a glass platter (or I keep seeing places advertising the glass platter upgrade for it). The acrylic platter moves away from the "Rega sound" (which I like) to more bass and slower attack.

    Ah. I think you're right. A friend of mine has a P3/24. His platter is like mine. I know Oswaldo sells the P1, but I've never touched, or even looked that hard at, the platter. It could well be acrylic.

    Hmmm. I just looked on Rega's site. (a little slow moving on the keen investigator thing) Says the P3's platter is glass and the P1's is MDF. Most interesting.

  11. Especially upside the head! :)

    I've heard good things about those sub platters. I'd like to hear a Rega setup with one sometime. For myself, I discovered the difference belt tension can make on a deck like mine. Quite a lot!

    Yeah. After saying " aw, that belt's OK for a little while more" for way too long, I replaced the belts on both Regas a little while back. There's no tension adjustment on the Rega, but a new, non-stretched belt make a pretty striking difference.

    Have you tried the glass platter? A friend said it made a nice change with his Rega.

    Glass? Shows how old I am. I thought all Rega platters were glass. Has anybody heard the GrooveTracer acrylic platter? (which is supposed to have the same mass as the glass one, but takes the disk directly on the platter - no mat). Now I wonder original glass vs current acrylic vs the fancy GrooverTracer acrylic??

  12. Did Lake Watch water sampling in the creek. Then waterway Clean-Up Day. Landed a barnacle-encrusted traffic barricade and a car tire in the canoe. It was big game time. Then spent Sunday celebrating wife's Birthday. Now I need a couple days of to recover from my weekend.

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