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If it helps the 50 amp MegaWatt fan is 30db at 1 foot. They say that is equal to a quite library when you Google db levals. Its about 1/4 as loud as a server power supply.

Sorry for any confusion or misunderstanding with the clones and knock off statements regarding the MegaWatt power supply. I sell on eBay, three accounts, Amazon and our personal website. The personal website has multiple URLs that take you to the same place. The most used URL is...

Well the way I figure it if I don't have any customers I don't have a business:) It all about the customer.

On all models even the S-700-12 one of the three screws can handle the full output. As in our S-700-12 video only one of the three outputs is used to pull 50 amp from each of the power supplies.

Thank you, always looking for ways to make it better without increasing the price. John

We just started installing sealed Double Ball Bearing Fans in all our power supplies so heavy dust problems should not affect the fan anymore. It is always a good idea to blow the dirt off of the fan blades so they stay in balance. On the old fans if the bushing is making any noise here is the...

Anytime

You have to do it from the inside. Take the stickers off the top of the fan. Put in two drops of oil and put the stickers back. PM me your address.

Sometime when dust or dirt get in the fan bushing is can make noise. A drop of oil on the bushing will fix it or you can PM me and I will take care of it. All the units will soon be equipped with a duel ball bearing fans. Just testing is now.

Thanks for the kind words. I am here if anybody needs any help. Thank you, John

That's great. I have to make one. Thanks. I sent you a message too.

That is a very nice complement, I appreciate it a lot. My business model is "It all about the customer". Without customers I don't have a business :) I live by my computer so people get service with in an hour or less, usually. Now I am fascinated about the rust removal system. How do you do it?

I just printed your label for your order. It will ship tomorrow. I have an ad that runs on this website. My signature is also a hyperlink to my website which is www.12voltpowersupplies.us. Thank you for your order. Its shipping Priority Mail. John

Well that's good to here, hahaha :)

You have a ground loop issue in your system. That's the only thing that will cause any noise with a Megawatt.

It's a double-edged sword. I get a lot of questions about if they are so inexpensive they must not be very good. I guess you just can't win, haha

They draw 7 Amps AC at 14 VDC 50 Amp output. So you can run two S-700-12s on a dedicated 15 Amp 110 Volt circuit or two on a 20 amp circuit that has some other stuff on it. At 220 volts they draw 3.5 Amps each. I hate eBay so I try to discourage purchases there and get people to my website or...

Well the S-700-12 is a way better power supply. Meanwell 3000 is 13.2 volts max and is a not well filtered Chinese unit. The S-700-12 costs $110 each total $440 for four. Not $180 each. Also the 200 amp Meanwell needs a 220 volt circuit and the S-700-12s run on 110V. www.12voltpowersupplies.us

First off the S-700-12 a way better power supply and secondly they are only $110 each not $180. Thats $440 total for 4. The Meanwell is dirty and has to run on 220V. www.12voltpowersupplies.us

The TL494, in each power supply, monitors the voltage in the entire circuit. The currant is evenly divided by the identical load due to parallel connection. Yes, as many as you want can be connected together in parallel.