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  1. PeterR

    D-T450 RightMark test report

    Wow, you're busy Do you load the headphone out with anything besides the soundcard for the measurements?
  2. PeterR

    D-EJ2000 "Tourist" model RightMark report

    Into what load?
  3. PeterR

    Increasing the gain factor

    Quote: Originally Posted by pegasus21 a single stage amplifier This certainly isn't, even though it may be just one package... Quote: wired with a high gain We're far away from anything you'd call high gain here... Quote: Originally Posted by brospin I...
  4. PeterR

    Increasing the gain factor

    Quote: Originally Posted by brospin sometimes makes me feel like I need more power or have to work with the volume setting close to maxium. A higher gain factor would be welcome (e.g. 15dB). "Close to maximum" or "hitting the end stop but still not loud enough"? Increasing the...
  5. PeterR

    Increasing the gain factor

    Usually that should be no problem. Why do you want to do this?
  6. PeterR

    Quick question about the 24 TV series

    You can watch them on their own, but if you want to get what 24 is about I highly recommend Day 1. That first season had me really glued to my couch, watched it literally in almost realtime. Started on Saturday afternoon, finished Sunday evening...
  7. PeterR

    can stereo amplifier drive headphone instead of using headphone amplifier?

    Quote: Originally Posted by wsung23 I am using my NAD352 integrated amplifier to drive my PC speakers. Because there is headphone socket on my NAD352, can I use the amplifier to drive headphone instead of buying a new headphone amplifier? Sure, that's what that jack is for. No...
  8. PeterR

    Looking for some good beginner cans.

    Quote: Originally Posted by tomb I think the music you listen to would lead to head and ear fires with Grado's. You need some powerful, low bass to offset all of that detailed music. Better to stay with the first recommedation: Sony MDR 7506, more commonly known as the $99 upgrade to one...
  9. PeterR

    Audio comparator utility

    Quote: Originally Posted by judgmentday Do you guys know a utility to compare wav, mp3, mp4, etc. files directly from their format? I have WinAbx but this utility compares only 2 wav files. I want to compare a wav file with a mp3 directly. Thank you. You could use lame --decode to...
  10. PeterR

    Tell me how Bid Snipers work...

    Quote: Originally Posted by vcoheda I would say that there is one exception to bidding early, which is to remove the buy-it-now function. If an item has a reasonable buy-it-now price, but you still think you can get it for less, it is advisable to place one bid for the minimum amount to...
  11. PeterR

    Current drive?

    Yes, and with quite nice results using Grados. With HD600s you'd have to equalize the impedance curve, though.
  12. PeterR

    Tell me how Bid Snipers work...

    Quote: Originally Posted by Enverxis Here's a 1 second snipe that I did Skill I had already placed a bid of 10 EUR a few days beforehand because I was not sure if I could be online at the time of the end of auction, turns out I could be Nice timing. Looking at the bid...
  13. PeterR

    How can I tell my music teacher about Head-Fi?

    Quote: Originally Posted by AtheisticFreedom He is a super friendly guy that's easy to talk to So what's the problem, talk.
  14. PeterR

    Tell me how Bid Snipers work...

    Quote: Originally Posted by werdwerdus Kinda confusing to explain I guess, let me know if you actually understood any of that :P I understand what you're doing, but not why. Quote: I had been the high bidder at $9.99 for basically the whole week Serves no purpose...
  15. PeterR

    Why is everyone selling their Headfives?

    If the question was, "Is there a problem with the headfive?", I think we've learned that the answer is absolutely not. ATM there are about 380 happy owners not selling their amps, those selling it are often just moving up the upgrade ladder, and its most vocal detractor hasn't even ever heard...
  16. PeterR

    Tips on building a simple passive preamp: to shunt or not to shunt

    Quote: Originally Posted by rumatt 1) If I buy a high quality attenuator (DACT maybe?) do I still need to use a shunt resistor? Chu Moy's writeup says you do not, but I don't know what they mean by "high quality". Chu wrote "a high quality audio taper pot is the best solution"...
  17. PeterR

    How to "enjoy" music?

    Please tell me you're kidding, otherwise this is the saddest thing I've ever heard. Enjoying music isn't something you have to learn, either you do or you don't. But if all you've listened to are CDs, it's time to go, no RUN, to some live concerts. Symphony, Opera, Rock, Pop, Trance, Jazz, a...
  18. PeterR

    Why won't this hook up work? (Bass shaker setup picture)

    Yes, likely you haven't set the receiver's bass-management to direct lf content from the other channels to the sub (plug the amp into one of the front channels to test).
  19. PeterR

    Why is everyone selling their Headfives?

    Quote: Originally Posted by Andrea Perhaps the amp itself is thought in that light, i.e., intended to give people a taste of the good stuff but not be enough to leave you replete & defeat upgraditis... Just speculation. No, "upgraditis" is simply inherent to our hobby. I think...
  20. PeterR

    Impedence Vs. Sensitivity?

    Quote: Originally Posted by milkpowder Excellent. Can you check to see whether I've got this right? I'm trying to convert the 105db/V sensitivity of the 62ohm K701 into db/mW efficiency. 1. P=1/62ohm=16.13mW 2. Log(16.13)=12.07dB 3. As 1V at 62ohm delivers 12.07db less power than...
  21. PeterR

    Check out the best offer for Sony headphones EVER!!!!

    Quote: Originally Posted by epithetless Oh man, this is great stuff. It never even occurred to me to re-register on head-fi under an alias...for those times when yr tru self must be herrd. Good for you, as that's a violation of the Terms of Use.
  22. PeterR

    Impedence Vs. Sensitivity?

    Quote: Originally Posted by milkpowder The bit that I don't understand is why you need to take the natural log of 31.25 and then multiply by 10. Also, please can you explain why you need to add the solution to the efficiency figure to get the sensitivity. Thanks a lot! Ok...
  23. PeterR

    Check out the best offer for Sony headphones EVER!!!!

    Quote: Originally Posted by yoyogi_bronx DAMN i come back and this is all i get??!?!! well I'm not going to even argue that i'm affiliated to the seller or wat not, " I asked him myself and he cud barely speak any english", If they are actually fake they do sound better than the original...
  24. PeterR

    Impedence Vs. Sensitivity?

    Quote: Originally Posted by TheVoxHumanus I'd really like to understand what these two specs actually mean, and how they relate to each other. I guess I'm most concerned about the released specs for the new UE product, it has a pretty high sensitivity (117db/mw) but it has a pretty...
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