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Showing content with the highest reputation on 04/11/2018 in Posts
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I finally built my Blue Hawaii - a single box KG 2015 which uses the mosfets, (but I will build the BJT boards too). All GR supplies. I was inspired by a Triumph Rocket motorcycle for the chrome trim and I wanted volume indication in the dark so it has a circle of leds and a delayed pointer off the heater warm up. While I was working all this out Kevin published the Grounded Grid so I am building one of those in a similar case. Looking forward to some extended listening now. Thanks Kevin for a great design4 points
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Must have been heart stopping to have that happen when you were hard on the throttle at speed. Your mechanic/welder/machinist is a magician. His work in restoring the damaged heads is incredible. Hope you bought him a beer afterward. ?1 point
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I don't know?!? - camera mic - to Youtube compression - streaming through my work laptop (chrome browser of course) - Nu Force USB DAC/Headphone amp - ETY 4s - kicks ass!... great sounding speakers!... (yup - for me to poop on) Side note - this did sent me on a hour long search for the saint saens introduction and rondo capriccioso recording that he used in one video.1 point
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Those are amazing pic's Sam! I wouldn't want to be a spark plug in your cylinder head in another life!1 point
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Kenrick Sounds make amazing restorations. And their discipline while moving the speakers is commendable. But those people complimenting how good they sound through Youtube, and then through their own speakers or earphones, I mean, come on man.1 point
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um...ELAC B6 $200 at multiple places...the new B6.2 is out...& it's probably better...but it's $100 more ($20 more than the old B6 price)...looks like Music Direct is already out of their exclusive maple models, but still has the blacks...1 point
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i have been using for the input of my dynalo some 2sa1349/2cs3381,that i bought from Justin at a very good price. Even with no matching,they are working very well1 point
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Fantastic race! And my compliments to ESPN for just letting the Sky programming do it's thing for the most part. I'm still loving the excellent internet video of the practices. Beautiful! No spoilers yet but there is plenty to say about what went on here!1 point
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So I pushed my motor a bit more than I intended. Long story short I have a transmission controller and now that I converted the car to an automatic (could not get a manual to survive) I have been playing with locking the torque converter (fluid coupler). At the quarter mile, worked like a dream. Feels like a shift to another gear...powerful and great for my elapsed times and trap speed. Well, I tried the same at the standing mile last year and I had a different result than I planned. Basically, I use overdrive in the standing mile and when I finally got the transmission to take OD (4th gear for me) by getting out of it and bumping it to neutral and back, it made crazy power and pulled like I've never felt her go. That was the good part. The bad part is it excited the turbos more than planned and she made more boost at the manifold than I expected. Result...I raised the heads. So if you haven't seen this before, imagine all they dynamic cylinder compression created by the piston stroke with the benefit of turbo compression flaming out the side of the head/block area. Basically...a blow torch. Managed to get the car safely to a stop and aside from a bit of fire suppressant to ensure the smoking under the hood was not fire, not too hard on the motor/car. But I did do this to the heads and I wanted to share so you could 1) see what it looks like if you haven't before and 2) see some craftsmanship the gent that made these for me does on heads. Basically three steps thus far: my trashing them, welding and rough machining, and then cleaning them nicely. Note on the last step the chambers have been "softened"...there's an edge within the chamber if you will. That's for quenching and better handling the heat from boost and avoiding pre-detonation. vroom vroom... HS1 point
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Change the THAT340 for 2SK170/2SJ74. Yes, it's expensive but it's worth it and this amplifier deserves it You have Linear on DIYAstore or you can search some member that have Toshibas. I think that 55º is right.1 point
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55C sounds about right (forgot what was my bias). My Dynahi runs at about the same temp after 30 min (measured via an IR-based meter, a few degs off here and there is not a big deal). Have you checked with Steve about where he got his tranny shieldings? I run with Anteks and they seem to shield adequately. Single-box saves quite a bit of space; if run two boxes, do consider umbilical resistance.1 point
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More buffers - 10 transistors per board! [mention=431]Pars[/mention], interested in my two purple prototypes? Rails are 5v-50v and implements a kind of sliding bias (bias increases when load increases) centered around 10mA. They are DC coupled and low distortion. I will run all the new ones through the distortion jig in the morning and see how close they are.1 point
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Yeah, I’ve always been extremely thin also. But I was also really coordinated. So through sixth grade I was considered athletic, and usually picked early, but after everyone got bigger than me some time in middle school, I was suddenly not very athletic. Sadly, my basketball career ended. But my life as a geek started! [emoji106]1 point
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Lim-osine is so appropriately nerdy, assuming it's referring to the DNA/RNA base! All of them are good, though. I was a very scrawny kid who always got picked last and a very late bloomer, I didn't reach my final height of 6'2 until I was 22.1 point