UFN
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Posts posted by UFN
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If you're in the EU you should be able to buy from Micross in the UK https://shop.micross.com/products.aspx?i=14 - shipping cost is still a bit steep but not as bad as from Trendsetter.
//UFN
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That's a very neat idea!
Would allow for a bit of experimentation to see how the JFETs change the sound of an existing amp I guess. Would you mind sharing artwork or schematics?
//UFN
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Very nice work Also pretty much the same mechanical layout as I was contemplating for my Dynahi (if I ever get round to finishing it...), so nice to see it works in practice
//UFN
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Not bad. Which drivers are you using?
//UFN
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Looks like a good start
//UFN
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The difference in voltage is only app. 7%. If you look at other transformer specs you'll see that this is perfectly normal for a 300VA toroidal, so it should be absolutely nothing to worry about
//UFN
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Consider using jumpers (i.e. 2x3 header) instead of the DIP switch to set the I2C address?.
It should be a bit smaller and once you set the address I doubt it's going to change, so jumpers should be fine
//UFN
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59 minutes ago, TMoney said:
I told Brent to offer "Shill-an" a 40% discount on a kick in the ass.
I think you should offer 100% discount for this guy
//UFN
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3 hours ago, spritzer said:
I will never post on HF again so that is a non option. He did get back to me and said I was totally wrong to just "expect" a glowing review. He does really suck at the whole shilling thing...
So he wants a 45% discount in exchange for publicity that he is not guaranteeing will be good? You clearly missed a bargain there Spritzer
//UFN
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FWIW I just made an adapter cable (polarity-reverser) with a male and a female DC jack + 4" of wire for my SRM-252. Everything can remain stock in that case and I can switch PSUs between different products without problems (as long as I read the labels )
//UFN
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Let us know what you think when you get them then
//UFN
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17 minutes ago, joehpj said:
Those were a GB ang728 and I ran locally. It was supposed to be silver, or grey, or gun metal - at least in our imagination. We ordered something like that. When the factory gave us some pictures of those...Say 30 of those. It's simply too late. It was done by accident and I assume it's impossible to reproduce again. I believe something was wrong in that anodizing sink. Who knows. I love them a lot. Because of the color, the power indicator is also green.
Heh, OK - as accidents go I think it's a happy one
//UFN
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That looks fabulous - and I love the color!
How did you get that finish, because the cases look like the eBay-ones that are normally silver?
//UFN
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I bought some precision wire strippers from Engineer on my last trip to Japan. Not really cheap, but excellent quality and they have no problems with teflon-coated wire.
FWIW everything I can recall actually handling from Engineer has felt like it is excellent quality.
//UFN
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I have accumulated quite a lot of that stuff and I'm generally very happy. The only minor annoyance is that it's mostly surplus stuff, so getting consistent colors can be a problem. No problem with the quality though - and yes, once you get used to teflon jacketed it's very hard to go back
//UFN
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I would think that an SSR could be used for the switching here since there is no mechanical contact, but looking at the specs for some smaller models like the Sharp S202-series and that doesn't seem to be the case. They are rated for 600V peak voltage, but recommended operating voltage is still only 240VAC
//UFN
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Very nice work Søren!
//UFN
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I've heard people getting similar stuff engraved by local jewellers/goldsmiths - might be worth a try?
//UFN
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It's actually only 45.63 minivolts, but this slightly odd conversion factor is probably the main reason why the minivolt isn't commonly used
//UFN
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So if I'm reading that correctly, the real requirement is the higher Idss of V-grade JFETs, not the lower noise of the 2SK369, right? That means the 2SK170V would be suitable as well I guess.
//UFN
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Looking at it again and I think it's one that Kerry has done - naming convention is different from yours at least
//UFN
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Kevin has already posted a single-rail BH PSU layout in case you haven't seen it: BH-PS-SingleRail-v4.zip
//UFN
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Yes. There isn't (at least not on Kevin's server - not sure what Spritzer is hiding in his secret lab )
//UFN
KG Balanced Dynahi build discussion thread
in Do It Yourself
Posted
Maybe ask them, because they are an official LS distributor so they should be able to get the whole range?
//UFN