Hammond Manual and Tone Generator Wiring Diagram

Here is the wiring table for the manuals of a Hammond Tonewheel Organ, along with diagrams of the tone generator. This page will give you diagrams for Hammond Tonewheel console organs from the model A through the B-3, C-3 and A-100's. It will also work for the M series spinets.

The table and diagrams are clickable: Click on a specific tone, and that tone will be highlighted everywhere it appears on this page. (To unhighlight a tone, click it again.)

Finding the Cause of Missing Tones

If your organ is missing tones on certain key/drawbar combinations, this page may help you find where to look. Click on whichever tones you are missing, and the location of those tones at the tone generator and on the manual will be highlit. See HammondWiki:MissingTones for more information.

Upper Manual

Key		Drawbar
Key		1st	2nd	3rd	4th	5th	6th	7th	8th	9th

18	F	18	37	30	42	49	54	58	61	66
19	F#	19	38	31	43	50	55	59	62	67
20	G	20	39	32	44	51	56	60	63	68
21	G#	21	40	33	45	52	57	61	64	69
22	A	22	41	34	46	53	58	62	65	70
23	A#	23	42	35	47	54	59	63	66	71
24	B	24	43	36	48	55	60	64	67	72

25	C	25	44	37	49	56	61	65	68	73
26	C#	26	45	38	50	57	62	66	69	74
27	D	27	46	39	51	58	63	67	70	75
28	D#	28	47	40	52	59	64	68	71	76
29	E	29	48	41	53	60	65	69	72	77
30	F	30	49	42	54	61	66	70	73	78
31	F#	31	50	43	55	62	67	71	74	79
32	G	32	51	44	56	63	68	72	75	80
33	G#	33	52	45	57	64	69	73	76	81
34	A	34	53	46	58	65	70	74	77	82
35	A#	35	54	47	59	66	71	75	78	83
36	B	36	55	48	60	67	72	76	79	84

37	C	37	56	49	61	68	73	77	80	85
38	C#	38	57	50	62	69	74	78	81	86
39	D	39	58	51	63	70	75	79	82	87
40	D#	40	59	52	64	71	76	80	83	88
41	E	41	60	53	65	72	77	81	84	89
42	F	42	61	54	66	73	78	82	85	90
43	F#	43	62	55	67	74	79	83	86	91
44	G	44	63	56	68	75	80	84	87	*
45	G#	45	64	57	69	76	81	85	88	*
46	A	46	65	58	70	77	82	86	89	*
47	A#	47	66	59	71	78	83	87	90	*
48	B	48	67	60	72	79	84	88	91	*

49	C	49	68	61	73	80	85	89		*
50	C#	50	69	62	74	81	86	90		*
51	D	51	70	63	75	82	87	91		*
52	D#	52	71	64	76	83	88			*
53	E	53	72	65	77	84	89			*
54	F	54	73	66	78	85	90			*
55	F#	55	74	67	79	86	91			*
56	G	56	75	68	80	87				*
57	G#	57	76	69	81	88				*
58	A	58	77	70	82	89				*
59	A#	59	78	71	83	90				*
60	B	60	79	72	84	91				*

61	C	61	80	73	85					*

Lower Manual

Key		Drawbar
Key		1st	2nd	3rd	4th	5th	6th	7th	8A	8B

6	F	18	30	37	42	46	49	54	58	61
7	F#	19	31	38	43	47	50	55	59	62
8	G	20	32	39	44	48	51	56	60	63
9	G#	21	33	40	45	49	52	57	61	64
10	A	22	34	41	46	50	53	58	62	65
11	A#	23	35	42	47	51	54	59	63	66
12	B	24	36	43	48	52	55	60	64	67

13	C	25	37	44	49	53	56	61	65	68
14	C#	26	38	45	50	54	57	62	66	69
15	D	27	39	46	51	55	58	63	67	70
16	D#	28	40	47	52	56	59	64	68	71
17	E	29	41	48	53	57	60	65	69	72
18	F	30	42	49	54	58	61	66	70	73
19	F#	31	43	50	55	59	62	67	71	74
20	G	32	44	51	56	60	63	68	72	75
21	G#	33	45	52	57	61	64	69	73	76
22	A	34	46	53	58	62	65	70	74	77
23	A#	35	47	54	59	63	66	71	75	78
24	B	36	48	55	60	64	67	72	76	79

25	C	37	49	56	61	65	68	73	77	80
26	C#	38	50	57	62	66	69	74	78	81
27	D	39	51	58	63	67	70	75	79	82
28	D#	40	52	59	64	68	71	76	80	83
29	E	41	53	60	65	69	72	77	81	84
30	F	42	54	61	66	70	73	78	82	85
31	F#	43	55	62	67	71	74	79	83	86
32	G	44	56	63	68	72	75	80	84	87
33	G#	45	57	64	69	73	76	81	85	88
34	A	46	58	65	70	74	77	82	86	89
35	A#	47	59	66	71	75	78	83	87	90
36	B	48	60	67	72	76	79	84	88	91

37	C	49	61	68	73	77	80	85	89	80
38	C#	50	62	69	74	78	81	86	90	81
39	D	51	63	70	75	79	82	87	91	82
40	D#	52	64	71	76	80	83	88		83
41	E	53	65	72	77	81	84	89		84
42	F	54	66	73	78	82	85	90		85
43	F#	55	67	74	79	83	86	91		86
44	G	56	68	75	80	84	87			87
45	G#	57	69	76	81	85	88			88
46	A	58	70	77	82	86	89			89
47	A#	59	71	78	83	87	90			90
48	B	60	72	79	84	88	91			91

49	C	61	73	80	85	89				80

fig13a

fig15

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