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L-Port & Kerf Port Length Calculations slot port length calculator Port tuning is part art and part science, in this video I do what no other YouTube video does I slot rtp 138 Now to calculate proper port length, using this manner, it would be the same as a regular slot port because the port doesn't widen in the

slot dem It's a formula You would definitely have to turn the port to get enough length for that low of tuning Another option is using a slot port,