Joshdashef Posted May 22, 2020 Report Share Posted May 22, 2020 Wanting to change up from basic slot port and improve some efficiency by using a kerf with some other 45s etc. Question is, how do I know what part of my kerf is still acting as a port and extending length ( lowering tuning ). Read a post that mentioned a 1/2 rule? Anyone who’s built kerfs know ? SMD Tool Map (2022): https://www.stevemeadedesigns.com/board/topic/220267-smd-tool-map-2022/ My Port Size Calculator (in progress): https://www.stevemeadedesigns.com/board/topic/217087-port-size-calculator-in-progress/ Common Port Walls for a Slot Port: https://www.stevemeadedesigns.com/board/topic/217076-common-port-walls-why-it-matters-to-your-box/?tab=comments#comment-3240313 Link to comment Share on other sites More sharing options...
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