1200W /1500W High Power Switching Power Supply 68V Adjustable Full Power Voltage Regulation
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I bought this as a backup to run a Ameritron ASL-500M Amateur Radio amplifier. It turns out I had to use it right away. The amplifier requires a 70 amp power supply and Ham power supplies of this size are $500-900! So far this little 100 amp PS is doing the Job. I do see some noise on my Radio frequency scope but it doesn't seem to affect my transmit or receive and people I talk to say my voice sounds good so there is no transmitted noise.
I had an expensive marine 12v subwoofer that didn't fit in my boat. It was too late to return it, so I set it up in my exercise room using this power supply vs a car/boat battery, and it works perfectly. However, for audio purposes, you may need to add a ground loop isolator. Anyway, it works great for me!