From df435bf68bacbad4323d2ac8eaa5ed2485aa7cda Mon Sep 17 00:00:00 2001 From: Vineet K Date: Sat, 30 Mar 2024 13:00:44 -0400 Subject: [PATCH] add notes from testing the speaker with an espotek labrador --- notes.md | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/notes.md b/notes.md index 22b49ea..29ef053 100644 --- a/notes.md +++ b/notes.md @@ -21,3 +21,13 @@ ## 2024-03-28 ![](2024-03-28_notes.jpg) + +## 2024-03-30 +- the speaker was tested with a function generator (from the + EspoTek Labrador) outputting a square wave of varying frequency +- it is painful above a frequency of 12 kHz and just creates clicks + below 30 Hz +- it is louder at certain frequencies and quieter at others, and this + is not a linear relationship + - the speaker's datasheet has a graph of this which can be used to + adjust the speaker's volume at the problematic frequencies