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Consumer Electronics by S. P. Bali

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Descriptive Questions

  1. What is the need for a baffle?
  2. Explain briefly the different types of baffles.
  3. How infinite baffles were evolved?
  4. Differentiate between an open-box and a closed-box enclosure.
  5. What is an acoustic doublet? Explain the doublet mode of operation. How can doublet action be eliminated?
  6. Discuss the action of an infinite baffle. How can an enclosure act as infinite baffle?
  7. Explain the working of an acoustic labyrinth system with the help of a neat diagram.
  8. Compare a folded horn system with a corner-folded horn system.
  9. Draw and explain the equivalent circuit of a closed-box enclosure.
  10. Explain the following :
    1. Acoustic phase inverter
    2. Distribute ports

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