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In Reply to: RE: Zerozone PSU with wrong transformer? posted by tattenbach on December 04, 2019 at 08:15:06
I have my eye on a Zerozone but now I'm losing sleep. Was there any offer to send you another one or any comment about reliability in general from the seller? Should have lasted a lot longer than two months. Good luck with your next PS. Ti Kan has no recommendation other than to build or have one built assumedly to his specs.
"The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell-1984
Follow Ups:
Thank you for your answers. The seller I bought the zerozone told me, the powersupply is not suitable to my amp and I should have asked him bevor, which amp I use. The amp is to drive with 24v /4A, the power supply, he sold me is 24V, 100W(4,2a). So I cannot recommend the seller.
Did you ask for an explanation why this seemingly adequate PS was unsuitable? I'm curious what the answer would be. The 2SC5200 are rated at 15A. Considering how cheap many manufacturers are it's a bit odd he is using a 15a device instead of a like 4-6amp device to save money. Maybe a good idea to get a PS rated above 125va?? Hard to find at the price point of the one that blew. Be fun to know why.
"The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell-1984
I'm pleased with a Zerozone 100VA linear power supply upgrade for a 3A rated application, since I always choose a power supply upgrade that's rated substantially above the power rating of a stock power supply.
See link:
Now take a look at the heat sinks on that sucker. All the other ones I see have what appear to me to be very small heat sinks for 100-120 watts. That's quite a lot of heat. I'm not sure what's going on here.
"The party told you to reject the evidence of your eyes and ears. It was their final, most essential command." George Orwell-1984
Perhaps the heat sinks are a bit over the top for the application, since there is only one parts component affixed to each heat sink, but maybe that's especially beneficial for the design.
The enclosure is a 'one size fits all' enclosure for DIY projects.
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