Hammond Model A Manual
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Hammond Model A Manual

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  • Page 3: Table Of Contents

    Tremulant Organ Harmonic Controls, Black and ILLUSTRATIONS White AND DIAGRAMS Harmonic Controls, Brown Harmonic’s Seventh The Hammond Organ Pipe Organ Mixtures Plan of Console Pipe Organ Stops Harmonic Controller Preset Keys Pre-set Pistons (Model E) Preset Pistons (Model E) Graphs and Wave Patterns...
  • Page 4 OUTSTANDING FEATURES It has the full range of organ tone colours. Its range of expression is many times greater than that of other organs. It occupies only a few square feet of floor space. It is ready to play wherever there is an electric outlet.
  • Page 5 N organ that is without pipes or wind may well indeed called instrument. The Hammond Organ, here pictured and described, is not merely new; it represents in itself a revolution so far-reaching as to be quite incalculable. New chapters in our social history were opened when, two or three...

  • Page 7: Preset Keys

    CHAPTER I T H E T O N A L C O N T R O L S THE HAMMOND ORGAN HAMMOND ORGAN XCEPT where otherwise mentioned, the following descriptions apply equally to every model of the Hammond Organ. Each of the three models, A, B and E, is ideally suitable for its particular purpose.

  • Page 8: Plan Of Console

    FIGURE 1. PLAN OF CONSOLE (Model A) FIGURE 1a. FIGURE 1b. Model E Console. Manual Pre-set Pistons. Expression Pedal Indicators. Chorus Pedal Piston Indicators. Tremulant Levers Control. Starting and Running Switches. FIGURE 2. A HARMONIC CONTROLLER Page Six...

  • Page 9: Harmonic Controller

    23,6444,222. After a tone is so logged it may be made available again by setting up the harmonic controller to that number. TONE FAMILIES. In order to make full use of the Hammond method of tone composition, the artist should understand the general characteristics of the various tone families.

  • Page 10: String Tone Quality

    FLUTE TONE QUALITY. The flute tone is a comparatively simple tone. Its harmonic development is concentrated chiefly on the fundamental and second harmonic overtone, with occasionally the addition of one or two other harmonics. The relative proportion of these components varies for the different kinds of flutes.

  • Page 11: Chorus Generator

    Figure 3. Graphs of the wave patterns of string and reed, pitch “A.” NEW TONE QUALITIES. Besides the flute, diapason, string and reed tones, the Hammond Organ can produce countless tones that have never been heard before in a classical instrument.
  • Page 12 Hammond Organ chorus effect. String combinations, both solo and en- semble, assume a new depth and beauty. Hitherto, it has been customary to limit such an effect to one or two tonalities. In the Hammond Organ, the chorus effect may be on any or all tone qualities. The tremulant takes on a new charm when used with the chorus effect.

  • Page 13: Toe Pistons (Model E)

    While the possible number of pedal organ tone qualities is, of course, less than those available on the manuals, the player will find the volume quality and tonal depth ample to balance any manual combinations that are used. THE TOE PISTONS , Model E Console (Figure 4). Situated to the left of the expression pedals of the Model B Console are four pistons which are placed in the correct position for easy manipula- lation for the toe.

  • Page 14: Swell Pedals

    The Model E Console has the added advantage of ind~pendent swell pedals, each of which affects its respective manual over the wide dynamic range for which the Hammond Organ is noted. The pedal controlling the Great manual also controls the pedal clavier.

  • Page 15: Pipe Organ Mixtures

    1-foot pitch (third octave or twenty-second), the sub-harmonic of 16-foot pitch, and third sub-harmonic of 5 1/3-foot pitch. The chief difference is that in the Hammond Organ the player is able to control the precise amount of strength of each rank, which is obviously impossible with pipes, because a pipe must either be blown or left silent.

  • Page 16: Super And Sub-Octave Coupler" Effects

    (octave pitch) into the tone quality. The sub-octave coupler introduces a large sub-fundamental into the tone quality. On the Hammond Organ these harmonics are readily introduced with the appropriate draw bars. THE BLACK AND WHITE SERIES OF HARMONIC CONTROLS.

  • Page 17: Pipe Organ Stops

    HARMONIC CONTROLS UNLIKE PIPE ORGAN STOPS. It is essential not to confuse the harmonic controls of the Hammond Organ with the stops of a pipe organ. They are not at all the same. No single control produces more of a flute or more of a string tone than any other.
  • Page 18 CHAPTER III. A FEW INTERESTING TONE COLOURS. HE following is a list of tone combinations and effects which have been found pleasing to many musicians. The organist is urged to explore the tonal possibilities of his instrument, and work out those combinations which not only satisfy his own taste but suit the acoustical environment in which the organ may be placed.

  • Page 19: Tone Colour Combinations

    TONE COLOUR COMBINATIONS. Soft Accompanying Strings with 16' 13,8545,430 Flutes 00,2220,000 Flutes and Strings 00,4535,222 00,4321,000 Soft Flutes and Flutes, 8' with soft 00,5201,000 Strings 00,2321,021 00,8524,000 Very Soft Full Swell Flutes, 8' and 4' 00,3512,000 with 16' 21,2212,110 Soft Flute, 8' with 4' 00,7615,113 A Full Solo Com- Flutes, 8', 4' and 2'...

  • Page 20: Generator

    CHAPTER IV. THE ELECTRICAL PRINCIPLE OF THE HAMMOND ORGAN HOW MUSICAL TONES ARE CREATED. HEN you pull out one drawbar of a controller and depress a playing key, a minute single alternating current generated in the console is carried through the cable to the power cabinet. Here it is amplified by the use of normal amplifying methods and caused to operate standard speaker cones and produce audible sound.
  • Page 21 and driven by a constant speed synchronous motor. Their speeds of rotation and the number of high points on each are so calculated that each disc produces one of the 91 frequencies necessary for the 91 pitches which are used in the fundamentals and harmonic overtones. THE GENERAL ELECTRICAL OPERATION.
  • Page 22 SIZES WEIGHTS HAMMOND ORGAN HE sizes and weights of the Hammond Organ Consoles given below will, in themselves, explain the remarkable adaptability of the instrument in the matter of installa- tion and the small space occupied. MODEL A CONSOLE Dimensions: Length, 48" Width, 29" Height, 37 ½ “...
  • Page 23 DR. SERGE KOUSSEVITZKY Conductor, Boston Symphony Orchestra. "I want you to know how satisfied and delighted we were with the Hammond Organ, used for the first time at our concert in a performance of Liszt's 'Faust' Symphony. My congratulations on your remarkable achievement."...
  • Page 24 WILLIAM J. CAMMELL Minister, Nottingham Baptist Tabernacle. I am writing to express our delight and entire satisfaction with the Hammond Organ recently installed. All you said of it has been more than justified. It is really a marvellous instrument and we feel we have an organ equal to any in the City."...
  • Page 25 2205/03 Prepared in England by D. T. Brown http://www.hammond-organ.com...

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