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.

KeyDrawbar
1st2nd3rd4th5th6th7th8th9th
1C132013253237414449
2C#142114263338424550
3D152215273439434651
4D#162316283540444752
5E172417293641454853
6F182518303742464954
7F#192619313843475055
8G202720323944485156
9G#212821334045495257
10A222922344146505358
11A#233023354247515459
12B243124364348525560
13C133225374449535661
14C#143326384550545762
15D153427394651555863
16D#163528404752565964
17E173629414853576065
18F183730424954586166
19F#193831435055596267
20G203932445156606368
21G#214033455257616469
22A224134465358626570
23A#234235475459636671
24B244336485560646772
25C254437495661656873
26C#264538505762666974
27D274639515863677075
28D#284740525964687176
29E294841536065697277
30F304942546166707378
31F#315043556267717479
32G325144566368727580
33G#335245576469737681
34A345346586570747782
35A#355447596671757883
36B365548606772767984
37C375649616873778085
38C#385750626974788186
39D395851637075798287
40D#405952647176808388
41E416053657277818489
42F426154667378828590
43F#436255677479838691
44G446356687580848780
45G#456457697681858881
46A466558707782868982
47A#476659717883879083
48B486760727984889184
49C496861738085898085
50C#506962748186908186
51D517063758287918287
52D#527164768388808388
53E537265778489818489
54F547366788590828590
55F#557467798691838691
56G567568808780848780
57G#577669818881858881
58A587770828982868982
59A#597871839083879083
60B607972849184889184
61C618073858085898085
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Comments and suggestions are welcome. Jeff Dairiki

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