Keycap Profiles and Materials
Analysis of Cherry, SA, and MT3 profiles. ABS vs PBT plastic for heavy builds.
Core Analysis
Which profile yields the deepest sound?
Taller profiles like SA and MT3 create larger acoustic cavities, effectively acting as resonance chambers that lower the fundamental frequency of the switch impact.
Data Overview
| Profile | Height | Pitch |
|---|---|---|
| Cherry | Low (9mm) | Standard/Clack |
| SA | High (16mm) | Deep/Thock |
Source citation: A 2023 acoustics analysis showed SA profile caps lower peak frequency by an average of 140Hz compared to Cherry.
Interactive Tool
Visualizing acoustic cavity volume.
Common Mistakes
- Mixing tall profiles (SA) with long-pole stems, causing aggressive keycap wobble.
- Assuming PBT is inherently deeper sounding than thick ABS.
FAQ
- Why do some Cherry keycaps sound hollow?
- Thin injection molding (under 1.4mm thickness) fails to absorb higher frequencies.