The answers to AudioXpress’ February audio crossword puzzle are now available.
Across
1. DISTRIBUTEDMODE—A loudspeaker that is not typically capable of the high sound levels required for performance audio systems [two words]
3. FEEDBACK—A capacitor used in an op-amp circuit
4. INTERFACE—An electrical circuit that links more than one device
6. CROSSTALK—Caused when one circuit’s signal creates an unwanted effect on another
8. TACTILETRANSDUCER—Converts electrical signal into vibration [two words]
10. DIRECTIVITY—An acoustic source’s behavior in a 3-D space
12. FERRITE—A magnetic material used in a driver’s construction
13. PIEZOELECTRIC—Charge that builds up in certain material due to mechanical stress
15. THREEDIMENSIONAL—An acoustic passive radiator diaphragm trait [two words]
16. HAFLERCIRCUIT—Mimics matrix decoding’s effects without using expensive electronics [two words]
17. OEB—An Italian loudspeaker component supplier
18. LINEARRAYS—Speakers with a horizontal directivity equal to that of each driver [two words]
19. PATENTAPPLICATION—New inventions are published in this journal [two words]
20. HUMREDUCTION—Use a bridge rectifier driven from an 8- to 12-V transformer winding, a capacitive filter, and a three-terminal IC voltage regulator to achieve this [two words]
Down
2. BLEEDER—A resistor that draws the critical amount of load current
5. FILAMENTS—Often supplied by AC voltage from a transformer winding
7. SHUNTREGULATOR—Stabilizes voltage fluctuations [two words]
9. SURFACEMOUNTED—Method that places components directly on PCBs [two words]
11. INCOMINGSTEREO—A signal that is detected by “true” sound decoders [two words]
14. OSCILLATION—Doesn’t remain in one place
