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Across
1. Audio.
4. Sound energy dissipated without accomplishing any work.
6. Part of familiar term for full-range reproduction.
8. A regularly occurring pulsation of amplitude resulting from the combining
of two sounds or tones.
9. Opposite of treble sound frequencies.
12. Device used in a sound system to attenuate a signal or couple two impedances.
13. Term often applied to a coaxially constructed speaker.
14. Electro-acoustic unit of power ratio based on the Napierian base of logarithms.
15. Coil found in speakers (abbr.).
16. Class of audio amplification.
18. Satisfactory in quality.
19. Transducer that picks up sound and converts it into electrical currents (fam.).
20. River in Italy.
22. Unit of loudness.
23. Material removed from surface of phonograph recording disc by the cutting
stylus.
22. Undesirable noise in an audio system.
24. Opposite of a "dead" or highly damped room.
27. High frequencies.
29. Unit of stylus pressure.
30. Equipment used to address large gatherings (abbr.).
31. Essential component in a hi-fi system (abbr.).
33. Recording companies' trade association (abbr.).
38. Frequencies above 20,000 cps.
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Down
1. Unit of sound absorption.
2. Electro-acoustic unit of relative power, voltage, or current (abbr.).
3. The amount that an audio amplifier can increase the amplitude of a signal.
5. Sound in its "third dimension."
7. In acoustics, inertance is the equivalent of _____________
10. Transducer used in every audio system.
11. One circuit of audio amplification.
17. The _____________ of audio frequencies extends from 15-20,000 cps,
19. The part of a speaker that receives power from the electrical circuit and
converts it into mechanical energy.
21. Pertaining to the ear or sense of hearing.
26. The "receiving" circuit of an audio amplifier.
27. Ordinarily, sound is composed of a number of ___________
28. Organ used for the perception of sound.
29. That portion of a magnetic circuit in which there is no ferromagnetic material.
32. Loud, undesirable sound.
34. Medium through which sound waves travel.
35. Sound ratio.
36. Meter watched by recording engineer (abbr.).
37. "Twin" of "hi."
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