Computer Audio Asylum

Music servers and other computer based digital audio technologies.

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RE: It will be interesting to read Steve's upcoming evaluation

Posted by Windows X on March 16, 2017 at 16:33:14:
Allow me to correct some information about power supply output.

1. HDPlex never made dedicated 2A for 7V output. That'll mean they use 15VA transformer and I can't find such products in their website. They may use 100VA transformer and regulate 7V output with 2A for current limit. That's one possibility.

2. Having more reserved power in transformer is generally better. When you use 1A, you should have transformer capable of sending 2A at least for optimal performance. Using transformer with maximum limit is dangerous to equipment due to chance of insufficient power.

3. 6.4A for 7V output is from calculation of what Nikola can send for 7V output with 45VA transformer. It's also possible to build 36VA for 12V and 9VA for 7V making 3A@12V and 1.28A@9V too.

HDPlex actually uses 100VA of differnt transformer type which is more than double of Nikola ultra low noise toroidal transformer.

I came here to provide knowledge about power supply usage and I believe every products has its own uses for different market. Some also use LPS-1 together with HDPlex and Nikola too for high quality two step-regulation design. :)

Regards,
Keetakawee