GrindingThud
Returning Member
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Update after listening all day with it closed up - temps in the base of the heatsinks are at least 77°C, current is 14.2 mA. Yep, it’s hot. The batteries crapped out in my IR thermometer, so I used a high end contact meat thermometer between the fins, lol 🥩. The heat sinks are not in contact with the case…I may try the aluminum bar mod if it gets too hot.
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It’s alive! Getting the offsets adjusted is so touchy…finally got it below 2mv as it drifted about. Did it without heatsinks after being on for a while. It seems to settle in around 14ma with the LTST-C170CKT LEDs and the 402R. Running 240R vice the 255R. Will likely let this cook for a while and see if it needs any tweaks. That front panel light is a bit bright…may need to tone that down a bit… 🤓
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Happy Birthday!
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I’ve got the group buy case…planning on adding the 5mm aluminum bar to it. Thanks Pars! I’ll need to think some more about the regulators while I wait for some MMBTA06 to come in I didn’t realize I never received… What LED and bias resistors did you end up with in the end? I’ll put mine in the sheet once it’s up and running. Likely will use 402 / 240 with the LTST-C170CKT.
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Before I start working topside, I have a question about the onboard regulator vs the AMB. I have both, and given the ability to get it attached, which is preferred? Is it better to just use the AMB and get the heat off the board?
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The golden orb thing that created an electrostatic field to “tune” the room was the pinnacle of oiliness I thought…I still feel dirty after being in the room with it. I think it was on the 6th floor too 😂
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A few worthy photos from CAF this weekend…
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This is just plain beautiful! All pales in comparison 💕
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I will be there Saturday!
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Thanks!
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What is the favored method for affixing the heatsinks to the output transistors? After years on the shelf, I’m finally getting around to assembling this. 🤓
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Weird in a good way…I enjoyed this one.
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