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                                                                 SPECIFICATIONS ------POLYMER  SERIES

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                                                                                                   207 MSG         220MSG         220HS          218HS        224HS

                                                                                                    7"   Mid/          10"   Full          10"                18"             24"

                                                                                                    Tweeter             Range         Woofer         Woofer     Super-

                                                                                                                                                                                        Woofer

                                                                                                                                                    mi                                                                                                                                                                              222

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       NOMINAL  IMPEDANCE (ohms)                                         8                       6                    5                   5                 5         

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       Minimum  Power  Recommendation (RMS)                           25                     25                  25                 25               25         

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       Maximum  Power Recommendation (RMS)                           75                     75                 100               200             200       

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       Maximum  Peak  Power  Recommendation (RMS)               150                   150                200               400             400     

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        Voice  Coil  Diameter                                                              1"                     1"                  1"                1.5"            1.5"        

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         Length  Of  Wire On  Voice  Coil (meters)                        8  (2 layers)           10 (2 layers)       10  (2 layers)       36 (4 layers)     36  (4 layers)

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          Voice  Coil  Wire  Size                                                          #33                   #31                #31                #31            #31

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         Voice Coil  Wire  Diameter                                                  .008"                .010"             .010"              .010"         .010"

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          Turns Of  Wire  On  Voice  Coil                                           100                   125               125                 300           300

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          Voice  Coil  Wire                                                Round  Copper  With  Custom  High Temperature  Baked  Resin  Coating

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           Voice  Coil  Former                                                                                      Custom  Treated  Aluminum

                                                                                                                                                   Heat  Sink             Heat  Sink      Heat  Sink

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              D.C.  Resistance  Of  Voice  Coil (ohms)                             5                        3.8               3.8                  3.4           3.4

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           Voice  Coil  Axial  Length                                                 .375"                   .625"           .625"               .750"       .750"  

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           Electromagnetic  Coupling  Constant (Bl)                          8.8                        11                11                    36           36

                                                                                                                                    Newtons / Ampere

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           Effective  Mass Of  Voice  Coil,                                          21                        38                39                   126         214

           Cone  And  Spider (grams)

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           Effective  Piston  Diameter  Of  Cone                             5.625"                      9"                 9"               15.625"     21.5"

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            Maximum  Peak  To  Peak  Excursion                            .062"                     .375"            .375"               .750"      .750"

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            Free  Field  Resonance (Hz)                                            1500                        28                 28                    17          13

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            Magnet  Material  And  Structure                             Custom  Coated  Ceramic--- D.C. Magnetized ---      

                                                                                                  Equalized  Flux  Module  Structure (EFM)            

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            Total  Magnet  Weight                                                     5 lbs.                     5 lbs.             5 lbs.              8.5 lbs.   8.5 lbs.

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            Flux  Density (Weber/m2)                                                 1.1                         1.1                1.1                   1              1       

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            Recommended  Frequency  Range (Hz)                     3000- 20,000                   32-20,000            32-5,000                16- 350        6- 150

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          MM

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