“Can this fan be safely be adapted to using a wall plug for power. Obviously it won't be used for a computer, but to cool a/v receiver as sometimes it does that "all day burn" in light of my new found free time.”
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It can be used for this purpose with the use of a 100-240v AC to 12v 4-pin Molex adapter and a 4-pin Molex to 4-pin fan connector. If you are going to go with a solution like this, I recommend getting a Molex to fan connector with voltage controls or the fans will run at full speed at all times.
Sorry, there was a problem. Please try again later.If your concern is duty cycle then no problem, running as much as your A/V system is used will be very much like the run-time of your computer. If your concern is with power and/or efficient airflow I would recommend an AC powered fan. While you can use a 12V power supply to run it that introduces your first inefficiency. From experience with this exact fan - it moves very little air - even at maximum operating voltage - keeps it very quiet but doesn't have airflow for a large area. If you are going to varry the speed (PWM speed control NOT just lowering the voltage) based on temperature then you might get away with this fan - if you also create some ducting to specific hot-spots.
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