Aluminum Slenthem with Trough Resonator
The aluminum used for the bars was 1/8 inch (3mm) thick. Figures given are to the nearest Hz and/or millimeter.
Key #
Pitch
Frequency
Bar Length
6
A# +50c
120 Hz
42.0 cm
1
C# -10
138
39.0
2
D#
156
36.9
3
F# -20
183
34.1
5
G# +5
208
31.8
6
A# +40
239
29.8
i
C# -10
276
27.7