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  1. dsavitsk

    Grado Extension Cable -- 4 wires?

    Anybody know offhand whether the 15ft Grado extension cable that comes free with RS-1's has 4 wires or three? That is, are there 2 ground wires?
  2. dsavitsk

    Build a Graph

    Did something change? Code: http://graphs.headphone.com/graphCompare.php?graphType=3&graphID[]=123 Used to give RS-1 impedance but now gives W5000 50H square wave response. The Grado graph has moved to Code: http://graphs.headphone.com/graphCompare.php?graphType=7&graphID[]=293
  3. dsavitsk

    Backup Software

    This is a totally inappropriate place to ask this, but answers here on tech topics generally seem pretty good. So, I am looking for backup software to use with Windows Server 2003 /SQL Server (actually MSDE). I have been using Retrospect 6.5, but it is really miserable so it is time for a...
  4. dsavitsk

    Need help with E-MU 0404 USB and ASIO (and S/PDIF)

    Never mind -- all is in the asio4all instruction thread. Mods, you can delete this if you see it.
  5. dsavitsk

    Recommendation needed for dvd/cd player

    I sold off my old cd player (Cary 303/200) as I primarily use a squeezebox with a dac. But, I do occasionally need to spin an actual cd, and I need a dvd player. So, can anyone suggest a dvd player that will also work as a decent transport. Something I can pick up used in the $200 range is...
  6. dsavitsk

    Clearaudio Cartridge help

    I went to fire up my turntable tonight for the first time in months, and found this: It still plays, and in fact seems to sound okay, but I am sure it can't be good. Suggestions?
  7. dsavitsk

    low cost 6sn7 suggestions

    There are a lot of threads on the best 6sn7's, but I am looking for suggestions on the best cheapie tubes. Any thoughts on what some of the best 6sn7s in the $20 to $30 range are?
  8. dsavitsk

    Canare Star Quad Voltage Rating

    I am looking for a cable to make a highish voltage (~250V) umbilical from a PS to an amp. Canare's website says that Star Quad is tested at 500V for 1min, which does not really give any good information. Anybody know whether this cable will work here? I need at least 4 strands (though honestly 5...
  9. dsavitsk

    +/-15VAC or +/-20VDC Wall Wart

    Does anyone know a source for such a thing or am I going to have to make it myself?
  10. dsavitsk

    Eagle Help: Weird Gerber Errors

    I am stumped. I made a small PCB in Eagle -- It is very small and simple and has about 15 components on it. When I try to make gerber files (first running excellon.cam and then running gerb274x.cam) the drd file (the drill file) does not match up to the other files. When I open it in...
  11. dsavitsk

    The Holy Grail

    The problem, for me, with the available portable amps is that they aren't really that portable. They all need batteries, and, even worse, they all need sources which also need batteries as well as cables to connect them. I wanted something that I could take to a coffee shop, connect to my...
  12. dsavitsk

    Of Wallwarts and Fuses

    Anyone have any thoughts on the importance of a fuse in a project using a 24VAC wallwart and a tread board for rectification? The datasheet for the transformer (http://www.mouser.com/catalog/specsheets/114154.pdf) gives no indication of whether there is any built-in protection.
  13. dsavitsk

    Help Sourcing Enclosure

    Hammond makes a cute little enclosure, the 1455C802, which is just right for holding a 50mm x 80mm circuit board. However, it is very thin (23mm outside), so a board with any components that stick up more than about 15mm won't fit. This, sadly for my purposes, includes Panasonic EJV pots...
  14. dsavitsk

    battery and Charger suggestions?

    I am looking for a battery to deliver 1A @ 5V as well as a charger circuit for when it is not in use. Any suggestions for either? Cheap is good, but quality matters too.
  15. dsavitsk

    Eagle Parts Question: Terminal Blocks

    Does anyone know where in the library to find terminal blocks? Are they called something else?
  16. dsavitsk

    Another Beginning Eagle Question: SMD to ground plane

    Is there a trick to connecting a top mounted SMD component to the ground plane below? I added small via's which appear to be connected to the ground, (though I am not sure they are) but when I connect the components to the vias the air wires don't seem to disappear. Any suggestions?
  17. dsavitsk

    Parts Search: DC-DC converter with 5.5 to 6V output

    I am looking for a DC-DC converter to take whatever a USB port gives (usually 4.75 to 5.25V) and convert it to at least 5.5 to 6V, though if I could get closer to 9V it would be even better. Any suggestions?
  18. dsavitsk

    Heavily Modded Grado RA-1 (ReRedux)

    The original thread: http://www6.head-fi.org/forums/showthread.php?t=102404 The second thread: http://www6.head-fi.org/forums/showthread.php?t=115254 I have built nicer (sounding) things, but this project remains as the one that is the most delightful to me. Over a year later, I still...
  19. dsavitsk

    Volts to drive Grados

    Grado's web site says that 1mV will drive their phones to 98db. Can anyone verify that this is actually true? And if it is, does this suggest that an amp that can supply plenty of current and about 1 volt is more than enough?
  20. dsavitsk

    Yet Another Blown Velleman

    I have gone through my fair share of Velleman power supplies. The first (http://www6.head-fi.org/forums/showthread.php?t=109928) was my fault as the transformer was spec'd too high for the smoothing cap. The second (http://www6.head-fi.org/forums/showthread.php?t=114261) was a little less my...
  21. dsavitsk

    Intersil Buffers

    Anyone have any tips or concerns for using Intersil buffers? I was going to put them (either 5002's or 5033's -- I have both) in the feedback loop of some opamp (opa2132 or something like it) to make a buffered cmoy. Are there any oscillation or offset things to be aware of?
  22. dsavitsk

    LM317 at very low voltages

    Are there any tricks to using LM317/LM337's at very low voltages? I am thinking of using them for an adjustable +/- 1.2 to 1.25V PS for the filament of a DHT.
  23. dsavitsk

    Eagle Library Search (pcm2707, tda1541/3/5, AD1865)

    I got the stuff from Tangent's site, and found a cadsoft site for downloading stuff, but I have not come across these. Are there any tricks for coming up with them short of making them myself?
  24. dsavitsk

    Parts Search: High Quality Alligator Clips

    Does anyone know where to get some alligator clips that are of high enough quality to use in a signal path, i.e. made from solid copper, or gold plated, or whatever? I've been clipping carious coupling caps into my dac all day, and it is fun to be able to listen to the differences without...
  25. dsavitsk

    Automotive paint

    I have a piece of metal (aluminum) I'd like to paint the way cars are painted -- very smooth and shiny. Cary audio aparentely just takes chassis parts to an auto paint shop. I am wondering if this is the easiest thing to do, or if I can do the painting myself somehow?
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