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  1. mgrewe

    Sigma 22 transformer V- output wrong voltage

    Picked up a Fluke multimeter to do some more precise testing.  My cheapy DMM needed an upgrade.  I haven't checked if I got negative voltage at the D3 & D4 junction, but they are orientated correctly.  I'll post again if I need some help.
  2. mgrewe

    Sigma 22 transformer V- output wrong voltage

    I powered up my sigma 22 for the first time and the V- rail is outputting 4.2V while my V+ rail is correct with 29.2V.  (I am going for +- 30V).  I have troubleshooted everything and my negative values are very close to the R2 to ground, Q5 to ground, and Q5 & Q6 to ground readings (on the...
  3. mgrewe

    AKG K240 Sextett recable. What is ground and signal?

    I stupidly forgot to note what the ground terminal is and what signal is before I desoldered the original cable.  I left the original red and white cables attached to the driver.  Can some one tell me which one is signal and which one is ground?  Or, does it even matter?   Thanks, Mat
  4. mgrewe

    Twisting different gauge wires

    I've never heard of twisting cables being a cause for EMI.  I'll keep that in mind when working out future kinks in my amp.  Thanks.
  5. mgrewe

    Twisting different gauge wires

    I have tried searching through some threads already and could not find my answer.  I might be over thinking things as well, but is it okay to twist different gauge wires together?   I am building a B22 with a E22 backplane and I noticed on some pics that the V+/G/V- and output pad for each...
  6. mgrewe

    Roll Call: Who's building, built, or thinking of building a beta22?

    I have been told that I will need about 20 feet of 18 awg wire for the power runs and about 20 feet of 22 awg wire for everything else.  Will this change now that I am using an epsilon 22 backplate?   By the way I am housing only my transformer in a separate chassis and my omega 22 board and...
  7. mgrewe

    Does anyone else share this feeling?

    Quote: Originally Posted by fjrabon It depends on the music. Oddly enough, soul music absolutely has to have perfectly on beat drumming. A friend of mine played guitar for James Brown (happy birthday JB, by the way) and he told a story about during a practice the drummer was using a...
  8. mgrewe

    favourite rap/hiphop albums

    Jurassic 5 - Quality Control Collective Efforts - Medicine These two stand out far beyond the rest for me.
  9. mgrewe

    Will you/Do you miss High School?

    My buddies and I would joke about how similar our high school was to a prison. The food was crap, always taking orders and if I had to go to the bathroom I had to get a signed note just to walk the halls otherwise I would get in trouble by the dumb hall monitors. Oh and don't forget the gay guy...
  10. mgrewe

    DAC popularity check

    Entry-level: 222 ----------- Alien (1) AOL Picollo DAC (1) Apogee Duet (4) Asus Essence STX (4) Audio-gd Compass (19) Audio-gd Compass - FUN (2) Bantam (1) Behringer DEQ2496 (2) Behringer SRC2496 (1) Beresford TC-7510 (2) Beresford TC-7520 (5) Beresford TC-7520 SE (Caiman) (3)...
  11. mgrewe

    Help picking a banjo please

    For sub 400 most 5 string banjo's will be around the same quality. It won't be great, but he will be able to get a feel for the instrument. I would try to find something around 250 and see if he likes it. I'm sure you will be able to find something at a great price in the Chicago are. After...
  12. mgrewe

    amp popularity check

    Total entries: 200 **Entry Level: 86 Audio-GD Compass (5) Audiotailor Jade (3) AudioTrak imAmp(1) Aune DAC/amp (1) AV123 x-head (1) Bravo Audio (2) C & C XO (1) Corda Headfive (1) Darkvoice 336SE (2) Darkvoice THA332 (1) Decware Zen Head (1) Eddie Current EC/SS (1) Elekit TU-882...
  13. mgrewe

    Musicians Earplug Rec

    I'm thinking about getting some custom mold earplugs for concerts. I'm also a musician so they'd be used while I play as well. I wanted to know if there were some recommendations that people have. I've looked into the Etymotic universal fit, but I can never get a seal with flange style plugs...
  14. mgrewe

    Where to Start with The Grateful Dead?

    Yup, you may want to check out some Phil Lesh and Friends. Phil Lesh is the bassist. He's done some great things post Jerry's death. I'm sure it'll show up on pandora.
  15. mgrewe

    Lots of bass & female vocals

    Awesome, I think you will be blown away by that choice. And I say do the mod after breaking them in. You'll appreciate them more that way.
  16. mgrewe

    Where to Start with The Grateful Dead?

    That's good that you are open to varying song length. You will get a lot of that with the Grateful Dead. Although you will get a truer sense of who they are with live recordings, they have released some solid studio albums. Do you have a Pandora Radio - Listen to Free Internet Radio, Find...
  17. mgrewe

    Lots of bass & female vocals

    The only thing you should be aware of with the Denon Dx000 is that although the bass is exactly what you are looking for, vocals seem to sit behind the rest of the music. This is less pronounced with female vocals which is great for you, but still there a bit. I'm now listening to Erykah Badu...
  18. mgrewe

    the album that's always there for you

    Quote: Originally Posted by festivus528 Bon Iver - For Emma, Forever Ago mewithoutYou - Catch For Us The Foxes Radiohead - In Rainbows The Black Keys - Chulahoma I could listen to these albums every day of the week. Definitely agree with this album. I try not to listen to...
  19. mgrewe

    The most downright resilient songs that make your mood better - no matter what.

    + YouTube Video ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
  20. mgrewe

    Beta 22 Gain?

    awesome thanks
  21. mgrewe

    Beta 22 Gain?

    Thanks for the responses. If I go with the 2x gain, would I be better off using the b22 as a preamp rather than trying to power speakers? Say I purchase akg k701's in the future, how would a 2x gain handle those? tintin47, which b22 thread would you rec I switch to?
  22. mgrewe

    Beta 22 Gain?

    I apologize if this has been covered before, but I couldn't find a thread with this info. I am planning a 3 board beta 22 build and ordering it from AMB Labs Kits - Glass Jar Audio. What gain should I get if I am planning on using this with Denon D2000? (One of the boards has to be active...
  23. mgrewe

    SSMH TOO LOUD!!

    Quote: Originally Posted by Juaquin If you're bored, you could hook up a 9V (or whatever voltage battery) to the resistor and measure the current (if that's working). R=V/I. I'm 97% positive that you have the right resistors but you never know. Hopefully someone knows if you can use an...
  24. mgrewe

    SSMH TOO LOUD!!

    Quote: Originally Posted by Juaquin Hmm, I'm looking at the manufacturer's page for the CD5003 and it doesn't seem to have any particular amplification (as long as you're using the regular outputs and not the headphone out). 200K + a 50k pot is way high, though. At that level I don't...
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