​
sheet thickness (mm) - ESTIMATE
3.
primary tongue width (mm) - ESTIMATE
40.
secondary tongue width (mm) - ESTIMATE
30.
Tuned Slit Drum Bank - tongue length explorer (EMPIRICAL ESTIMATES)
Cantilever first-pass only; tune by measured prototype boxes.
sheet thickness (mm)
3.00
primary tongue width (mm)
40.0
secondary tongue width (mm)
30.0
pitch tolerance (cents)
+/-10
sustain target (s)
2.
primary length span (mm)
{99.5,136.7}
Primary chromatic C3-B3 tongues (ESTIMATE):
box
note
targetHz
primaryLenMM
leaveBlankMM
predictedHz
1
C3
130.81
136.75
144.75
130.81
2
C#3
138.59
132.85
140.85
138.59
3
D3
146.83
129.07
137.07
146.83
4
D#3
155.56
125.40
133.40
155.56
5
E3
164.81
121.83
129.83
164.81
6
F3
174.61
118.36
126.36
174.61
7
F#3
185.00
114.99
122.99
185.00
8
G3
196.00
111.72
119.72
196.00
9
G#3
207.65
108.54
116.54
207.65
10
A3
220.00
105.45
113.45
220.00
11
A#3
233.08
102.44
110.44
233.08
12
B3
246.94
99.53
107.53
246.94
Secondary fifth-above color tongues (ESTIMATE):
box
colorMidi
targetHz
secondaryLenMM
1
55
196.00
111.72
2
56
207.65
108.54
3
57
220.00
105.45
4
58
233.08
102.44
5
59
246.94
99.53
6
60
261.63
96.69
7
61
277.18
93.94
8
62
293.66
91.27
9
63
311.13
88.67
10
64
329.63
86.14
11
65
349.23
83.69
12
66
369.99
81.31
Predicted-check Hz should track targetHz within tolerance (ESTIMATE).