Filter #02

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Across
  1. 6. A small clip-on microphone
  2. 7. Poseidon's weapon of choice
  3. 8. A standard measure of loudness
  4. 9. Deviations in clock speed
  5. 11. East coast synth pioneer
  6. 12. An infamous music piracy platform
  7. 16. Composer of Interstellar
  8. 17. An efficient DIY acoustic absorber
  9. 20. Popular audio interface
  10. 21. A form of public transportation
  11. 22. Effect that modulates amplitude
  12. 23. Easy to lose, expensive to replace
Down
  1. 1. Can be used as pop filter
  2. 2. A band from Liverpool
  3. 3. Another word for tube
  4. 4. Makers of the RE-20 microphone
  5. 5. Fast tape artefact
  6. 8. A brickwall limiter by Shure
  7. 10. Unhealthy breakfast and DAW
  8. 13. A popular pair of earphones
  9. 14. A treble speaker
  10. 15. A music festival in 1969
  11. 18. The S in TRS cable
  12. 19. The home of Solid State Logic