Turntable parts

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Across
  1. 5. A quiet turntable motor system using a rubber band
  2. 8. A DJ-friendly motor system right under the platter
  3. 11. Spins records at 33 or 45 RPM
  4. 13. Keeps dirt and fingers off the turntable
Down
  1. 1. The process of turning sound into electricity
  2. 2. A spiral that holds the sound on a record
  3. 3. Turns vibrations into electrical signals
  4. 4. Sits in the groove and vibrates to read the sound
  5. 6. Boosts tiny electrical signals before they reach the speakers
  6. 7. Helps balance the tonearm's pressure
  7. 9. The round spinning part a record sits on
  8. 10. Another name for the needle
  9. 12. Bridge that carries vibrations to the cartridge