Electric organ

• Which music genres are most closely associated with the electric organ?


  Gospel, soul, and jazz music
• In which other music genres was the electric organ frequently used?


  Rock music and prog rock
• What is the most commonly known model of electric organ?

  The Hammond organ
• Which other electric organ models were popular in the 1960s?

  Models from Vox and Farfisa
• What type of process does the Hammond Organ use?


  An electro-mechanical process using tone wheels
• What is the function of the Leslie rotary speaker in relation to the Hammond Organ?


  It amplifies sound through spinning horns
• What effect do the spinning horns of the Leslie speaker utilize?


  The Doppler effect
• How does the Doppler effect influence sound perception?


  It leads to apparent alterations in volume, frequency content, and pitch
• What was the initial mode incorporated in Leslie speakers?


  A 'tremolo' mode
• What effect does the 'chorale' mode produce in later organs?


  A vibrato effect
• What are the key features of the Hammond Organ?


  • Electro-mechanical process
  • Uses tone wheels
  • Associated with Leslie rotary speaker
• What are the main characteristics of the Leslie rotary speaker?


  • Amplifies sound through spinning horns
  • Utilizes the Doppler effect
  • Initially had a 'tremolo' mode, later added a 'chorale' mode