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Old 4th May 2018
  #2
Here for the gear
 
The GRS power supply units are top notch pro power supply systems. Built like tanks. We have 3 of them running pretty much 24/7. Two of our GRS PSUs have been up and running since 1997 with no problems at all. They all come now with 5 year warranties, which is nice, but never had to use them. These are linear type units. Very rock solid.

I have seen only one Blue Dog power supply unit at another studio I was asked to engineer at. They had that PSU cracked open, working on some problem. I got a chance to check it out while they had it opened up. It's made up of really cheap Chinese switch mode power units inside it! Not much to them. But they are cheap. I don't know more than this about them, but I wouldn't use them, personally.

Cheers!

Greg