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Venting my cabinet

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morton:
I am just about to prime my cabinet and the only thing I need to do is place some ventilation on the back side of the cabinet. I originally was going to install two 120mm fans at the top to exhaust the hot air, but realize many cabinets simply have venting. I have a few options, but due to the weather and such, have to drill, and a router is out of the question.

I can either:

- Buy a 4.5" hole saw to cut two 120mm fan vents
- Use a 1.5" hole saw and drill 4 or 5 holes across the top of the cabinet

Would the passive venting with the 1.5" holes be sufficient or would I be best to spend the $$ on a new 4.5" hole saw and install fans? I realize the fans will be more effective, but also see some don't believe fan is necessary and others say its better to have more, but would like to limit my expenditure if possible. Any help would be greatly appreciated. Thanks in advance.

Titchgamer:
It really depends how much heat your set up generates.

I would drill some 4.5” vent holes and put a cover over them.

If you need extra cooling just add fans after.

morton:
Fans I have. The 4.5" bit will set me back almost $40 with tax tho... that's my biggest issue at this point. I'm just using a CRT and a Pi at this point. Not sure if heat will be more than a traditional cab, some of which i notice have minimal venting.

Titchgamer:
If you are using a Pi you wont need and big fans.
Just put a small fan on a pi case and heat sinks on the chips.

Just a few small holes for CRT heat to pass in the top should be good to go :)

morton:
Thanks Titch :)

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