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Found 1 result

  1. I wanted to head this "pure Class D" because of so many Class A amps claiming they are genuine Class A amps. "Robusto" because this amps should have a big capacity. The Sure Class D module is marketed as 2 X 500W amp. But this is into 3omhs at better than %10 distortion. So let's be realistic. I think this module will produce about 300W into 4ohms. I'm going to feed the module about 48V. To generate a total of 600w (both channels driven) I'll have to supply about 12A! That is a lot of current. In fact the PS I'm building will deliver 16A at 48V. It's one thing to have two massive trannies capable of delivering this sort of current but the rest of your wiring has to be up to the task also. I have 4 X 10,000uf\63V Nippon caps. These, a 35A rec.bridge and two huge trannies should deliver sufficient current and voltage to power this monster. Most of the enclosure is complete. While I'm waiting for the module to arrive I will continue working the enclosure and PS. I don't need 500W or even 100W into 8 ohms but I did find with the 100W version I built (see other post) when you turn these amps right up they distort real quick. I want to be able to turn up this amp with distortion figures staying under %1. Here are some images of the PS so far. Lots more to do. The 40,000uf of caps are wired with 2 X 1mm pure silver wire. According to one chart this should handle 40A. I only need it to handle no more than 16A. I added brass washers under the wire for a better grip. The two trannies are rated 300W each. Easy to see this amp can deliver no more than 600W total (trannies in parallel\series). Still waiting 500W Sure module.
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