Just finished my first build, TX-75 with lubed 78g Zealios and Hyperfuse.
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Nice looks TX-75, jelly!
I'm aware that the TX boards are Plate-to-case mount and without additional standoffs in the middle of the bottom case, unlike the current mainstream design of PCB-to-case mount, switch-plate floating on top held by the switches, and with additional standoffs in the middle and along the edge of the bottom case.
How does this Plate-to-case design feel (in terms of flex, sturdiness, sound, etc) compared to the PCB-to-case design?
I had my reservations as well about this type of keyboard design. However, I can say that the board feels extremely solid. There is ZERO flex in the plate/pcb. Even when assembling I knew there wouldn't be a problem. Once you install switches to a plate and solder the PCB, the unit becomes extremely inflexible.
As for sound, I'm extremely happy! There is almost no ping or echoing, even without dampening material. The sounds is superb; just the lovely sound of switches actuating and glorious ABS making contact. Otherwise there is no additional sound production. I believe the thickness of the TX-75 case is to thank for the sound profile. To me it seems like the case is absorbing nearly all of the sound before it is able to make it out of the case.
Overall I'm EXTREMELY impressed with the TX-75 and I would highly encourage anyone to get a TX series board! Kin25 and Yuktsi are wonderful as well, which made the whole experience pleasant.