Ergodox EZ Kalih Copper 95 WPM
Here is a 3 phase modification progression using a Egrodox EZ with Kailh Copper switches.
Phase 1: Unlubebed, Printed stock keycaps, 78 WPM
Phase 2: Lubed with Permatex 22058, 68 WPM
Phase 3: PBT blank keycaps, weather striping foam inside case
All tests were recorded with a Lewitt LCT 440 Pure mic. The mic is on a Rode PSA1 arm attached to the wall. The room is sound treated.