Akko Astrolink
vsDurock Koala
Hear them
Side by side
| Akko Astrolink | Durock Koala | |
| Type | Linear | Linear |
| Sound | Balanced | Balanced |
| Loudness | -34.8 dB | -46.5 dB |
| Pitch | 1,610 Hz | 2,724 Hz |
| Spring weight | 59.8 g | 60.3 g |
| Actuation force | 37.4 g | 41.4 g |
| Bottom-out force | 70.8 g | 76.8 g |
| Total travel | 3.8 mm | 3.9 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Akko Astrolink and Durock Koala are both linear switches, but they feel and sound different enough to be worth comparing directly.
Durock Koala runs the heavier spring at 60.3g versus 59.8g — about 0.5g more — so it feels more deliberate under the finger, while Akko Astrolink is quicker and lighter to press.
On sound, Akko Astrolink is the louder of the two at -34.8dB versus -46.5dB (11.700000000000003dB quieter), pitched lower at roughly 1,610Hz. It reads as balanced, while Durock Koala comes across more balanced.
Pick Akko Astrolink if you want a lighter, faster press and a louder, more present sound. Pick Durock Koala if you'd rather have a heavier, more controlled press and a quieter typing sound. Use the players above to hear which one you actually prefer.
Full pages
Hear the difference for real
Load either switch into the live simulator and A/B them with your plate, case and keycaps.
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