40 Hertz (Q122816967)
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- 40Hz
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | 40 Hertz |
No description defined |
|
Statements
1 reference
Online Tone Generator - generate pure tones of any frequency (English)
25 September 2023
40 hertz
1 reference
Online Tone Generator - Free, Simple and Easy to Use (English)
25 September 2023