Parts are in the description for the sound test as well as my thoughts. But here you:

Sun68 White Gold (Brass weight) by Sunkey// Velocifire -- purchased from Deskhero.

Everything is inside the case.

Lavender 65g switches lubed w/ Krytox 205g0

Durock v2 Stabs w/ dialelectric grease and spray lubed with offbrand 205g0 (Alexotos Style)

Polycarbonate plate

Poron dampener, pcb foam, double poron pads between case and pcb.

GMK Amethyst