Everything posted by Pars
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Part Sourcing Assistance/Advice Thread
One more stupid question regarding vandal switches. The eSwitch ones I am looking at have 3V LEDs. None of the PSUs in the equipment have anything near this (+/-30V in one, +45V in the other). Do you just use a series dropping resistor, voltage divider, or what to accommodate these? I'm guessing trying to change out the LED(s) in one of these switches would probably be a good time if you fried it
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Part Sourcing Assistance/Advice Thread
Thanks Nate, but I already have an order in with Modushop and will just need to wing it. I'll probably go a little big on diameter (25.2 for a 25mm switch). I don't have the switches yet. That panel will be re-anodized after machining, so should look fine.
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Part Sourcing Assistance/Advice Thread
Thanks Beefy. I'll go with 0.1 mm over on diameter, and do the recess at 0.5mm.
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Part Sourcing Assistance/Advice Thread
For these, if machining a front panel with a 1-1.5mm recess for the outer bezel, would you have the cavity cut at the datasheet size (22 or 25 mm), or would you add a bit to this dimension? The eSwitch datasheets show a tolerance for the overall body, but not for the bezel.
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What TV show are you watching now?
Watching Yellowjackets (Showtime). Kind of a cross between Lost and Lord of the Flies. I kind of like it. Girls HS soccer team supposed to go to nationals in 1996. Private plane they are on crashes. Most survive, and aren't found for nearly 2 years. 20 years later catching up with those who made it out. Something bad happened out there... but no one is talking.
- Happy Birthday Bryan!
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RIP someone or another
Missed this one from earlier in the year - Tim Bogert, bass player for Vanilla Fudge/Cactus. https://www.rollingstone.com/music/music-news/vanilla-fudge-bassist-tim-bogert-dead-obit-1114424/ #FuckCancer
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Happy Birthday emelius!
Happy belated Birthday!
- Happy Birthday JP numbers!
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KSA-5 inspired amplifier builds
I always preferred oval pads on TO-92s to the standard miniature round pads that most board layout software seems to use, including what Kevin uses. Define your own footprint in KiCad? EDIT: and I'll need to preface this with the fact that I've never listened to a real Krell KSA-5 before, but I don't seem to understand the attraction to this amp versus Kevin's designs, particularly the CFP2/3, but even the SS Dynalo or Dynahi?
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And now what did you do TODAY?
I'm sorry for your loss Steve.
- Happy Birthday Dinny
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The analog thread.
I've been doing some reading, and the Systemdek IIX seems kinda interesting, if I could find one with a better arm than the stock ones. I bought (traded for) a Project RPM5-1, and I don't know if it is the cartridge (Ortofon 2M Bronze) or what, but it seems a bit bright and lightweight in sound. Otherwise, I was thinking about something like a VPI Classic? I need to get my Thorens TD-320 out of storage, and see what that is like these days with the Salas phono stage I built. It has a newish AT 440ml(a?) on it, but I've never heard it with a decent phono stage. I also had bought a Grace F9e which I had wanted to try out on it.
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Happy Birthday Chris (Dreadhead)
Happy Birthday Chris!
- Happy Birthday ivanrocks321
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Happy Birthday Mikey!
Happy Birthday Mikey!
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What TV show are you watching now?
I thought my then-girlfriend (now wife) was going to rip my bicep out when we saw the Exorcist. She won't watch scary movies anymore...
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Megatron Electrostatic Headphone Amplifier
Were the toasted ones drawing the same current? If they are SumR, I'd send them back, with these pics and a good label shot of the 13 yr old one that works. I would think Richard would stand behind his work.
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RIP someone or another
My condolences Todd. RIP Ann. EDIT: We were supposed to go to Iowa this week for Lori's small private funeral, but on Wednesday, before we were going to leave, Beth got a call from the school nurse where she works and was told that she had been exposed to COVID on Monday and Tuesday. After calling Lori's husband, he preferred that we didn't come, as he is susceptible (Polio), and Lori's mother ('90s) would be there, so we didn't. No symptoms here, and the positive COVID test was one of the the OTC ones. We haven't heard what the results of the lab test were yet.
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Ye Macce Threade
Agreed. The 16G/256G at $899 was what I was looking at. Paying Apple another $200 to go to 512G SSD is a bit much, as the Samsung external is less for a 1T. Just concerned as far as usability, i.e. moving Documents to a different drive, etc.
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Ye Macce Threade
The only M1 refurb is the base 8G/256G model.
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Ye Macce Threade
Thinking about buying an M1 Mini to replace my 2012 i7 Mini. I'm assuming that neither the RAM or internal drive are user replaceable? If so, thinking about going internal 256G SSD and 16Gb RAM ($899) plus an external Samsung 1T SSD for $139? Sound reasonable?
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And now what did you do TODAY?
^This, and I'd return the replacement ones that didn't meet spec and get my money back. Much better than the excoriating review... that can come after you get your money back.
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RIP someone or another
My wife's best friend (and a friend of mine as well), Lori Nelson, passed away Friday. We all went to school in music together. She was a character; droll, snarky and funny, sort of like her favorite comedian, Steven Wright. She will be missed. Fuck cancer.
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Part Sourcing Assistance/Advice Thread
You can have boards run for quite cheap at places like seeedstudio, etc. Upload the zip of the gerbers, make your selections, etc. and you're good.