Hammond Organ A-100 Series, Theory Of Operation

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Figure 23 is a wiring chart for the pedals,showing the frequency numbers appearing on
each pedal contact.
Pedal #. Note Fund
2nd Harm
/3rd Harm 2nd
Harm
4th Harm 6th Harm 8th Harm
10th
Harm 12th
Harm
1 C 1 13 13 25 32 37 41 44
2 C# 2 14 14 26 33 38 42 45
3 D 3 15 15 27 34 39 43 46
4 D# 4 16 16 28 35 40 44 47
5 E 5 17 17 29 36 41 45 48
6 F 6 18 18 30 37 42 46 49
7 F# 7 19 19 31 38 43 47 50
8 G 8 NC 20 32 39 44 48 51
9 G# 9 NC 21 33 40 45 49 52
10 A 10 NC 22 34 41 46 50 53
11 A# 11 NC 23 35 42 47 51 54
12 B 12 NC 24 36 43 48 52 55
13 C 13 32 25 37 44 49 53 56
14 C# 14 33 26 38 45 50 54 57
15 D 15 34 27 39 46 51 55 58
16 D# 16 35 28 40 47 52 56 59
17 E 17 36 29 41 48 53 57 60
18 F 18 37 30 42 49 54 58 61
19 F# 19 38 31 43 50 55 59 62
20 G 20 39 32 44 51 56 60 63
21 G# 21 40 33 45 52 57 61 64
22 A 22 41 34 46 53 58 62 65
23 A# 23 42 35 47 54 59 63 66
24 B 24 43 36 48 55 60 64 67
25 C 25 44 37 49 56 61 65 68
Frequency Number
Frequencies used in pedal switch (Figure 23)
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