Hammond Organ

Service Manual – The Hammond Vibrato

The Hammond Vibrato Hammond Organ consoles equipped with vibrato differ from tremulant models in the omission of the tremulant switch, tremulant control, and non-vibrato preamplifier, and in the addition of the vibrato line box, scanner, vibrato switch, and vibrato preamplifier. Three degrees of vibrato are available and also a different degree of chorus or celeste […]

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Servicing the Hammond Vibrato Scanner

Scanner Operation From Service Manual Due to the fact that the Hammond Tone Generator runs at a precise pitch being synchronized to the 60 hertz, there is no way to create Vibrato at the tone source. Therefore, Hammond designed an “After Vibrato” system using a Scanner and a Delay Line. By introducing a phase shift in the Delay

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The Hammond Story

“Fifty years of musical excellence.” from a 50th Anniversary Hammond Co. pamphlet The Hammond Organ story began in a loft over an Evanston grocery store, for it was there, even before an electric organ was contemplated, that the organization was born that was to become the founder and leading member of an industry. Today the

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