DE1339287U - - Google Patents

Description

FQr the transmission of language and Mutlk for grofit Space you asked for "h" r dtr erfordtrllohtn L "letung tnttpr" -

ehende b «tond« r · Kraftvtretärktr b «aatst ₉ d« n «n« in Mlkro-PpOn ₁ an el «ktrleoher, optional« r edtr magnttlecher pickup »• in receiver odtr dtrgl« vorgosohaXttt and tin Qrofllautttoht was prtohtr * Dltat solution was in the following way dtr anetnotwtndlgktlt dee beeondortn KftaftvtrttArkt.r · And dte bttondtrtn loudspeakers The th arrangement of the "Naohttll ₉ daA" had the lower frequencies due to the almost uniform amplification of all the signals during playback. Loud speakers were prevented, since the higher frequencies were de-decoded in such a way that the reproduction of the speech became dull and unintelligible.

The invention relates to a Qer & t »softens both the Antohaffentkotten has a special power boost every week herabeetit old also the operation of the dtr Qttamtanlagt essential simplified, trot "de" but both the deep old a ^ eh the high freqv inxen in a correct ratio lUelnander reproduces it in such a way that the language is clear and remains understandable · The invention consists essentially in a large loudspeaker combination with power amplifier, * ·! · before as a unified whole behind a usual Reinforced? switched sur further gain dtr higher

Claims (1)

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e Fvquenzen serves, while the lower frequencies without additional Amplification can be fed to a special loudspeaker .; . ^, m of the drawing is the subject of the invention in one Execution example shown in a bar · It means ■ * ■ * · '■ »· ■» "■ <««. »«. G the usual amplifier of normal power, at whose output · * ·% ♦ *. gang instead of the usual loudspeaker according to the invention Device combination is switched on. Reading consists of one known per se for separating the higher from the lower frequencies serving crossover W, from which the lower frequencies without further amplification Large speakers Lt are fed while the higher ones Frequencies do a special power amplifier SV and from seafcu a large speaker Lh are fed, which, like the unified as one of the same type first mentioned, or may for example be st by the choice · a cli or rigid membrane for the reproduction of the higher frequencies suitable ± · The power amplifier EV and the speaker Lh are Device trained in itself. In the example shown is the crossover network W upstream of the loudspeaker Lt and the power amplifier EV as a special device part; it can easily it can also be built into the power amplifier, or the power amplifier can be designed in such a way that it can operate on its own dl higher frequencies preferred or a crossover network serves · The loudspeaker-end amplifier combination can for its part assembled with the normal speaker Lt or can also be set up separately
Sohutif a n f Q rfl before ·
1 ·) Large loudspeaker combination with power amplifier _t dadureh characterized that it is close to a normal amplifier Ii ■ '· ■. · ■■ -.- · ■ · " · κ- 'Cf elnaa Lautapraehar a uniform · «Ganxe · bil-Bndvaratftrkar for further reinforcement of the high Fräquanzaa serves 2 ·) eroeiflutapraobar-Kaablnatiaii according to claim l _y daduroh gakennsalehaatfdae In her an electric Waleha pre- • ahan latfwalcha from then also a noraalan Veratärker coming Spreoaatremea the higher Fraquansan separates and the VeratÄrker separates the combination 3 ") Qrofllauteprecher combination according Anapruch 1 and 2, characterized gekennseichnet _t daö represents Veratärker combination is special for dia gain higher Frequensen did formed. 4 ·) Grafllautap recher combination old findveret & rkerfwle illustrated and described. , Dar patent attorney