Sound Signatures
Signature A — String System
Before: uneven tension feel across positions. After: consistent response in common playing ranges.
Spectrum note: reduced stray resonance peaks in midrange.
Signature B — Hardware Pass
Before: small mechanical noise at touch points. After: stable contact surfaces and predictable movement.
Spectrum note: smoother transient response.
Signature C — Surface Care
Before: dust accumulation in seams. After: clean edges and reduced residue on touch surfaces.
Spectrum note: visual-only entry; sound notes not recorded.
How We Document
Neutral Language
We record what changed in measurable or observable terms. Notes are intended to be informative rather than promotional.
Reference Points
When relevant, entries include a small list of reference points used for comparison (position, component, or environmental context).