Lautsprecher, Grossflächen- 



169 



Leerlauf 



Grossflächen-, Hochleistungs- 

 power loudspeaker, (public) ad- 

 dress 1., announce 1., paging 1., 

 call 1. Hoch (ton)- tweeter loud- 

 speaker, treble 1. Konusmembran- 

 cone loudspeaker. Kr istal 1- 

 piezo-electric loudspeaker. Luft- 

 kammer- air-chamber loudspeaker 

 (c. coupling diaphragm and horn). 

 Pil z- omni -directional (36C0) ex- 

 ponential horn loudspeaker (mostly 

 mounted on pole). Pressliift- 

 pneumatic loudspeaker, compressed- 

 air 1. (without diaphragm). 

 Riffel- Riffel loudspeaker (with 

 corrugatims and substantially 

 horizontal radiation). Riffel - 

 falten- folded and corrugated horn 

 loudspeaker. Tieftonkonus- low- 

 frequency cone loudspeaker, woofer. 

 Vierpol- balanced -armature loud- 

 speaker (with permanent magnet). 



Lautsprecher-abstrahl fläche projec- 

 tor surface, radiating s. (of a 

 loudspeaker), -anläge, Betriebs- 

 works address or public a. loud- 

 speaker system (in factories, 

 etc.). -antrieb motor elenent. 

 -haltevorrichtung chassis of a 

 loudspeaker, -horn, aufgewundenes 

 twisted loudspeaker horn, coiled 

 h. -horn, gefaltetes folded loud- 

 speaker horn. 



Lautsprecher-korb chassis frame of 

 loudspeaker, -leitf lache de- 

 flecting vane, labyrinth, -leit- 

 wand deflecting vane; baffle (to 

 prevent acoustic feedback), -luft- 

 kammer air space, a. chamber. 

 -spinne spider of loudspeaker (in- 

 side or outside voice coil, to 

 keep coil centered), -tonf'uhrung 

 labyrinth of loudspeaker. 



Lautsprechertr ichter, aufgewundener 

 twisted loudspeaker horn, coiled 

 h. -, gefalteter folded loud- 

 speaker horn, -hals throat of 

 loudspeaker horn, -mundöffnung 

 mouth opening of horn, largest 

 flare, -mundstück throat (narrow 



inlet) of horn. 



Lautsprecher-vorhof air chamber of 

 loudspeaker (between horn and cone), 

 -wagen sound truck, loudspeaker t. 



Lautstärke, Empfindungs- response of 

 ear to signal stimulus, sensible 

 loudness of sound. Stör- noise 

 level. 



Lautstärkemesser, Neonröhre- neon 

 tube volume indicator. 



Lautstärken-bereich der Stimme hu- 

 man voice intensity or dynamic 

 range, -empfjndung aural sensi- 

 tivity, -stufe loudness unit, 

 sensation unit. 



Laut stärke- regier, logarithm! scher 

 volume control with resistance 

 varying according to a logarith- 

 mic law. -Schwankungen fadings. 

 -umfang volume range, dynamic r. 



Lavenderkopie lavender copy, 1. 

 print. 



Lawine, Elektronen- electron ava- 

 lanche. 



Lawinenkopf head of a surge. 



lebender Kalk quicklime. 



lebendige Kraft kinetic force, vis 

 viva, momentum. 



Lebendigkeit liveness, realistic 

 properties (in architectural 

 acoustics). 



Lebensdauer life period, (working or 

 useful) life, life time (say, of a 

 quantum). 



Lebewesen, Klein- micro-organism. 



lebhaft lively, brisk, active, viva- 

 cious; bright, vivid, gay (of 

 colors). 



leb ig, lang- long-lived. 



Lecherleitung Lecher -wire line. 



Leckstrom leakage current, leakance 

 c. 



Leder.harz (India) rubber, -stülpen 

 leather cuffs. 



leer empty, blank, void, vacant, 

 hollow. 



Leere vacuum, emptiness, vacancy. 



Leergewicht tare, weight allow- 

 ance for container, weight empty. 



Leerlauf no-load (operation), idling. 



