Comment fonctionne l'orgue Hammond
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Joe GlossopJoe Glossop explique ce qui se passe à l'intérieur d'un Hammond : le générateur à roues phoniques, les neuf contacts par touche et comment les drawbars recréent les tuyaux d'un orgue d'église.
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21 leçons (1h 25min) · 1 gratuites
01. The Small Faces - Tin Soldier (interprétation)
1:16
02. The Small Faces - Tin Soldier (analyse)
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03. Deep Purple (John Lord) - Smoke On The Water (interprétation)
1:02
04. Deep Purple (John Lord) - Smoke On The Water (analyse)
8:38
05. Allman Brothers - Whipping Post (interprétation)
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06. Allman Brothers - Whipping Post (analyse)
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Transcription de la leçon
Understanding the Tone Wheel Generator
The guts of it are this tone wheel generator that has 96 tone wheels on a rod. They spin in an electric current, and each time the little cog cuts through the current, a tone is produced.
Key Features
- Each key has nine contacts which correspond to nine drawbars.
- As you press the key down, you gradually get from high to low as the contacts engage one by one.
Complexity and Design
- In each key, there are nine contacts going up and down vertically.
- It's a very complicated system, and I don't know how he came up with it.
- It's amazing that they still work all this time later, considering the design is about 70 to 80 years old.
Differences from Traditional Organs
- It's different from a church organ in that it is electric to begin with.
- These drawbars are modeled on lengths of pipe from a church organ. The original idea was to recreate a church organ.
Drawbar Specifications
If you see on slightly later models from the late 60s onward through the 70s, the drawbars had the lengths of pipe written on:
- 16
- 5 and a third
- 8
- 4
- 2 and 1
- Sub fundamentals, fundamentals, and fifths are structured as follows:
- The white ones are all fundamentals.
- The colored ones are sub fundamentals and fifths.
This model was made from 1955 to 1975. It is truly an incredible bit of engineering!
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Joe Glossop est un claviériste de Sheffield qui s'est fait un nom à l'orgue Hammond. Il occupe actuellement le poste d'organiste dans le groupe de tournée de Tom Jones, et a joué avec Van Morrison et James Hunter, ainsi qu'au piano et au Rhodes. Ses cours permettent de tirer le véritable son Hammond de n'importe quel clavier : le réglage des drawbars, le Leslie, la basse walking à la main gauche, et le vocabulaire d'accompagnement et de solo des traditions de l'orgue soul-jazz, blues et rock, de Jimmy Smith à Booker T.
