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  1. abcheng

    Vibro Labs Introduction, USA tour, and Head-Fi discount!

    I would love to give these a try as well. Username: abcheng Location: Atlanta, GA
  2. abcheng

    Atlanta Meet, April 25th. Venue changed..see new thread

    Earlier would be better for me as well. I have finals on the week of the 27th
  3. abcheng

    Atlanta Meet, April 25th. Venue changed..see new thread

    I'm definitely up for a meet as well. Maybe we should set a day to meet up?
  4. abcheng

    New Millett Hybrid Maxed Amp

    Quote: Originally Posted by cetoole Yup, and which one depends on what you want to be able to bias to, and will effect how you case it. Thanks for the reply. Will the 1.5" heat sinks fit in the Hammond case in the BOM? Does anyone have any of these parts available? RB12L/R...
  5. abcheng

    New Millett Hybrid Maxed Amp

    Hey guys, I bought the PCBs a while and never got around to build them until now. I'm currently ordering parts to build my Millett Maxed Amp, but I have a question about the heatsinks listed on the BOM. Aavid #531002B02500G (1"h.) 4 Aavid #531002B02500G (1-1/2"h.) 4 There are two...
  6. abcheng

    My first good soldering iron

    I use a Weller WES51 and Hakko 936 for work, and I've been liking the 936 more recently. Both are excellent stations in my opinion.
  7. abcheng

    Atlanta Mini-meet at my place

    I think I'm free this upcoming weekend. If I come, I'll probably bring a friend with me. Has anyone else shown interest in this meet? By the way, which college do you attend ?
  8. abcheng

    New Millett Hybrid Maxed Amp

    Quote: Originally Posted by tomb Hmm ... not recommeded. You can connect the DC walwart and it will work - just dropping a volt or so through the rectifier. Or, you can bypass/jumper the rectifier string completely. However, there's not much of a way to avoid the regulator and expect to...
  9. abcheng

    New Millett Hybrid Maxed Amp

    I have a couple questions about the MH max. 1. Can I use a 24VDC wallwart instead of 24VAC wallwart? 2. Can only the amp portion of the MH max be built, or does the E12 delay circuit, and DB circuit have to be populated?
  10. abcheng

    Broken Tube *56k beware*

    aww poo... Luckily I have a set of 12AE6As I can use for now .
  11. abcheng

    Broken Tube *56k beware*

    Hey guys, I moved back from my dorm recently, and one of the tips of my tubes broke on my MH. Can I still use it, or do I need to purchase a new one? I've attached a picture of the broken tube. Sorry about the large pic.
  12. abcheng

    DIY Kits OPA627 Legit?

    dang those things are old. By the way, the first 4 digits on the bottom are manufacturing date. The first 2 digits is the year, the 2nd 2 digits is the week of the year it was manufactured.
  13. abcheng

    Need SMD tip for WLC100

    Quote: Originally Posted by picklgreen I dont think the Weller WES1 exsists here in America.... My mistake, the 5 on my keyboard sometimes doesn't register properly. What I meant to say is the WES51 soldering station.
  14. abcheng

    Cross- 1 Assembly Instructions

    weird. I guess it works then. Thanks.
  15. abcheng

    Cross- 1 Assembly Instructions

    Does anyone still have build instructions for the Cross -1 boards ? Dr. Meier's webpage doesn't seem to be working, so I can't pull the instructions off his webpage. Thanks in advance.
  16. abcheng

    Need SMD tip for WLC100

    Just to give you an idea, I use a Weller WES1 with the original tip to solder SMD down to 0805 quite a bit, and have no problems with it.
  17. abcheng

    PPAS Build Thread.

    I have a few questions regarding parts for the PPAS 1. Mouser is currently out of 647-UPW1A101MDD, but they have UPW1A101MDH and the only difference I can see is that the MDH caps aren't RoHS compliant. The MDH caps will replace the MDD caps without any problems correct? 2. Mouser and...
  18. abcheng

    Post pics of your builds....

    MH + Alien DAC wheeeeee
  19. abcheng

    PPAS Build Thread.

    I'm interested depending on price.
  20. abcheng

    PPAS Build Thread.

    Does anyone have completed pictures of the PPAS? I'm currently building one but don't know which direction some of these chips should be soldered onto the board.
  21. abcheng

    EZDAC is officially working!!!

    glad to hear it works .
  22. abcheng

    FREE PA2v2

    Just sent you a PM.
  23. abcheng

    Alien DAC v1.1 Construction Thread

    Quote: Originally Posted by mikemacwillie Theo nly 'problem' you guys are having is not understanding that it is not designed to drive headphones! You need to use amplification. It's only a line level signal. I realize that now. It was just that I was testing out the DAC with...
  24. abcheng

    Alien DAC v1.1 Construction Thread

    I have the same problem as well. I thought it was a bad cap or something, but since you guys have the same problems, it may just be that headphones can't be driven directly off the DAC.
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