Here is a pictorial of this fan modHere's another idea (from someone who is just about to order their own EP4000), what about a 12cm externally mounted 24v fan ?
I'm pretty sure you can get shroud that brings it back to 8cm, which you mount up against the back of the case where the internal fan is.
You gut an old 8cm fan or make your own extended shroud to ensure that you're sucking the air all the way through the 'tunnel'.
Larger fans tend to be always a bit quieter than a smaller fan, and also move more air than a smaller fan can.
You can also choose how you supply power to the externally mounted fan, either by through the existing fan slot then through a small hole in the shroud, or by a plugpack/wallwart, in which case you go for a 12v fan with a 9v or 12v plugpack.
Since all of this is out of reach of prying kid fingers, being at the back of your cabinet or rack, then I can't really see any safety issues.
With this idea of externally powered, you have the options of many different 12v fans, both 8cm and 12cm with a shroud, which should be a whole lot cheaper than 24v fans.
I have 2 of those Enermax fans in mine, wired in series since they're 12v fans. Both at the rear of the heat sink, blowing hot air out. One fan, once inside the case, does not move much air so I'm glad I bought two.I couldn't find if this was discussed or not, but which of these would be better to get? Which would be quieter, etc...
Having 2 fans in line with each other doesnt work. You need to have them side by side. When fans are in line, the front fan takes all the load while the second one is just spinning for nothing. Of course, if this was required for the electrical properties I dont see much of an issue.I have 2 of those Enermax fans in mine, wired in series since they're 12v fans. Both at the rear of the heat sink, blowing hot air out. One fan, once inside the case, does not move much air so I'm glad I bought two.
I've had my fans shutoff on me once when I was listening to an hour long bass heavy dance mix. The amp didn't get hot enough to thermally shut down, but it was still hot. I have a theory that the fans got too hot having the hot air blow across them, causing them to shut down for some reason, but since I've not been able to repeat the scenario and do tests/rule things out, I can't prove anything.
So to answer your question, I bet the Enermax will be quieter (it's real quiet), but it's also not a 24v fan. And by itself, it won't move much air.
Did you end up putting the red wire to red, and the black to the blue?Hi guys,
Just about to do the fan mod. Got the original fan out but I am stuck on the wires. The original fan has red and black wires but my papst fan has red and blue. Do I wire the red to the red and black to the blue.
If someone could help asap I would really appreciate it. What would happen if you wire them the wrong way around.