1EX ... - Pioneer pioneer rd (vol16,no2/2006) tad-m1

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AV91PIONEERR&D (Vol16,No2/2006)S - 1EXDevelopment of S-1EX speaker system Hiroyuki Shirakawa, Shunich Takahashi S - 1EX Summary This text presents the speaker system "S-1EX" developed as a flagship model of the pioneer brand. This describes the background technology of each element. : TAD CST1. 1 TAD TAD (Technical Audio Devices) 1975 30 ( 1) DVD-Audio SACD 2003 TAD-M1 ( 2) TAD TAD 1 TAD (b)(a)92 PIONEERR&D (Vol16,No2/2006) TAD-M1 S-1EX( EX )( 3)2. EX 21TAD 1 EX TAD-M1 2.1 CST(Coherent Source Transducer)S-1EXS-2EX S-7EX 18cm 3 ( 2way ) S-1EX S-7EX TAD CST-6001 ( CST ) EXSACD DVD-Audio CST 4 CST 400Hz 100kHz CST CST CST CST 4 5CSTCST 2 TAD - M1(a)S-1EX (b)S-2EX (c)S-7EX 3 EX 4 CST-6001 93PIONEERR&D (Vol16,No2/2006) 5 CST-6001 CSTCSTTAD-M1100kHz 6S-1EXS-2EX S-7EX 10 6 94 PIONEERR&D (Vol16,No2/2006) 7 TL-0701H 2.2 18cm S-1EXS-2EX S-7EX 7 18cm TADTAD TL-0701H 3 1 CST ( 7)T ( ) 3 82.3 EX CST( ) ( )3m 1m 3m ( 9) CST 295PIONEERR&D (Vol16,No2/2006) 8 10 100 1000 10000 100000405060708090100110120 ()( )2.4 ABD ABD(Acoustic Balance Drive) 1 (S-1EX 160Hz) 9 ( 10)2.5 S-1EX 50mm100mmMDF 22.6 S-1EX 896 PIONEERR&D (Vol16,No2/2006) 10 ABD (11) 4 ( ) 2.7 EX LPF 4 ( LPFHPFHPF) 3 24dB/oct 400Hz2KHz CST DCR EX (S-2EXS-7EX) 3. EX 11 S-1EX 97PIONEERR&D (Vol16,No2/2006) Air Studios Air Studios 1969 ( 12) ( 13) Air Studios 12 AIR STUDIOS 13 AIR STUDIOS 4. EX SDC(Speaker Design Center) PUSA(Pioneer Electronics(USA) INC) S-1EX 5. EX PFS(Speaker Design center)PUSA (1) S-1EX 2006 3 pp119-123 98 PIONEERR&D (Vol16,No2/2006) ( ) ( )