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Thaddeus Smith

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Everything posted by Thaddeus Smith

  1. That's sorta what I had been doing prior to the cap swap this past weekend. The DB-25 based 12v trigger is a bit wonky and I don't get any sort of noise when turning the AVR on/off while it's still powered on (same for my subwoofer amp). So yeah.. probably will just leave it on.
  2. Powered down the amp for about 9 hours overnight and no audible hum across all five channels when it was flipped on just a few minutes ago. @#*&@#^&$*&@#)$(*@#(*&$*(&@#*$
  3. I've gotten some static when moving RCA cables around willy nilly, though it's different than the hum and I worry about blowing drivers - which is why now I'm powering off/on every time I try to isolate the cable issue. Unfortunately, this adds another potential variable since that results in a discharge/charge of the power delivery system. I did have Morgan sit and listen while I moved the cables around - fully seated - to see if there was any proximity to power cables causing hum, each other, RCA connectors touching, etc and she did not observe any change. Remember that my gear is in a closet and isolated from the MLP, so it's difficult for me to be fiddling at the back of the rack and see if there's any change in behavior in output. The most noticeable changes I've observed are when I just sit there on the couch out of frustrated resignation and the hum just fades to black. It's literally this scene right here..
  4. and i'm not saying it's orgasmically wonderful, but certainly good enough for off the shelf parts and a couple hours worth of effort.
  5. Don't tell that to all the premium audiophile brands (and their faithful purchasers) who are pumping out streamers based on off-the shelf x86/ARM components with custom linux, MPD, and a custom iOS control app.
  6. As Justin mentions above, I too am using a Raspberry Pi 3 with a hifiberry digi+ pro for coax input into my AVR, running Ropieee OS, with Roon as the overall software ecosystem. I'm running the Roon server as a small linux VM on my unRAID server. Then it's just control via laptop/iOS software. It's very effective and sounds good to my ears.
  7. well two channels are consistently staying quiet. the other three keep flip flopping as I power the amp off and on to try different connection combinations. the fact that it happens with nothing but speakers connected still points to it being isolated at the amp. I guess i can start replacing fuses (there's two per amp module)? I did notice that most of the chassis RCA jacks had just the slightest bit of play on the center post. The maddening bit is that I can observe the hum fading out in real time, it's constant and unaffected by input volume, all channels play their input content, and the hum can appear/disappear sometimes by just power cycling or by reseating cables and power cycling, etc.
  8. ****, it just stopped with two channels connected and half a dozen off/on cycles trying different connection combinations... maybe the new caps just needed to form?
  9. Speakers connected, but no input cables and the hum is present, so it's isolated to the amp itself.
  10. Replaced all the caps tonight, put it all back together, and the hum is back - though much more clear and pronounced. So back to troubleshooting - fairly certain it's not a ground loop, but I'll lift the ground on amp and test just to be sure. Otherwise I'll dig back in and see if it's something related to the line level inputs.
  11. 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  12. I've been enjoying his solo work after coming across it via RTM just a couple years ago. Only learned just now that he was the drummer from Cream.
  13. For those of you living under a rock.. this just dropped today.
  14. Morgan and I rewatched TNG last year from start to finish over the course of a couple months. We've also been watching the new seasons of Discovery, and absolutely looking forward to Picard. We keep trying to get the motivation for DS9 and the other series'. Then we've also watched the 2005+ Doctor Who, modern Battlestar Galactica, The Expanse, and so on. She's not even a sci-fi nerd, but she ends up watching these with me and really enjoying them.
  15. Listening to the youtube video above and it's glorious. My wife is a bit cringey, however, and says I'm only able to appreciate such music because I didn't grow up Lutheran.
  16. Nerd here. I was on the robotics team, as part of a Texas wide organization called BEST (boosting engineering, science, and technology). It had several scoring factors, including some beyond the actual science and competition which required documentation of involvement of the school at large. As such, some schools would bring cheerleaders and other school spirit representatives. Well one of the years I went to state competition at Texas A&M and the main competition was held in their basketball stadium. As a competitor I was on the court floors, but all of the supporters and such were up in the bleachers. A neighboring town to my own was also there, with a couple of cute blonde cheerleaders. As a nerdy pubescent I just couldn't help myself to try and catch a glimpse of the ol bloomers. Yay me, success, and on with the weekend festivities. Fast forward about 7 or 8 years and I'm in my 20's, dating a girl from a neighboring town. We go through the usual "learning about each other conversations" and I talk about my stint as a robotics nerd. It turns out her older brother (he's my age) also competed in that organization and her dad was a coach since he worked for TI/Raytheon. Oh, that's neat, I thought. As such, because of the family ties, and the fact that she was a prom/homecoming queen cheerleader she went along with her best friend to the state competitions to cheer them on. Hmm.. interesting... I thought. We did some comparing of dates and facts, and my then-girlfriend and now-wife was in fact one of the girls whose cheerleading skirts I was upbrowsing.
  17. My teachers back in the 90's .."you won't have a calculator in your pocket all the time, so you need to learn this" Me now..
  18. Oh jes jes.. the Decemberists are regularly weaved into my playlists. Frightened Rabbit/Owl John as well. Mandolin Orange. So on and so forth..
  19. Hehehe.. I used the Peter Dinklage gif just recently, so Carl is holding me to task. There's another good one I found and used in a PM the other day, so I refrained from using it here. There's surprisingly few options if one is wanting to walk the fine line of snark without being mean, violating TOS, etc.
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