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FR2462078A1
(fr)
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Filtre acoustique pour systeme de haut-parleurs coaxiaux
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US20060072768A1
(en)
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Complementary-pair equalizer
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CN1145924C
(zh)
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带有指数轮廓的木制圆锥形扩散器的喇叭形声换能器
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EP1929836A2
(en)
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Audio transducer system
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CN1018232B
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多维立体声声音重放系统
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US7024006B1
(en)
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Complementary-pair equalizer
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FR2775823A1
(fr)
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Anche electro acoustique
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KR101720104B1
(ko)
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금속 이중관 인클로저를 구비한 스피커
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Cage
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For more new sounds |
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US1506393A
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Sound amplifier
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CN109951778A
(zh)
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全频扬声器与扬声器在箱体的对冲安装
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US9247339B2
(en)
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Loudspeaker design
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Kellogg
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Some new aspects of reverberation |
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Zverev et al.
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On the Question of Equal Loudness of Sounds of Different Frequencies |
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EP1786236B1
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Complementary-pair equalizer
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US1984963A
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Sound reproducer
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FR2515468A1
(fr)
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Ecouteur dynamique
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BE1007113A7
(fr)
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Haut parleur a membrane asymetrique.
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(en)
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Sound amplifier
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CH443710A
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Dispositif électro-acoustique de modification d'un signal
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BE340143A
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US1727651A
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Sound amplifier
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US1795154A
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Phonograph sound box
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Willett
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The Symmetrical Microphone Capsule and The Quest for the Perfect-Acoustic Window |
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Edwards
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Choosing the right microphone |