Infinity Reference 1220w 12" woofer specifications and Thiele-Sm…

Mlnnity Reference 1220w 12" Woofer Technical Data cABAl/DID SPECIFICATIONS DIAMETER: 12" (304.8 MM) SENSITIVITV (2.83 V @ 1M): 92 dB POWER HANDLING: 300 WRMs FREOUENCN RESPONSE: 20 ~ 800 Hz NOMINAL IMPEDANCE: 4 OHMS VOICE-COIL DIAMETER: 2.0" (50.0 MM) DIMENSIONS: NIOIIIIIIrIg depth 6.125' (155.58 mm) CUIIIUI dIameteI l L911 125 (232.53 mm) OUIeT dIameIer 1225'(311.15mm) THIELE-SMALL PARAMETERS VOICE COIL DC RESISTANCE: REvc (UNMs) ...... 3.43 VOICE COIL INOUCTANCE @ 1 KHZ: LEVC (MH) ....... 1.16 DRIVER RADIATING AREA: SD (IN?) . . . . . . 82.15 SD (CMZ) . .. . 530.00 MOTOR FORCE FACTOR: BL (TM) . . . . . . 10.86 COMPLIANCE VOLUME: VAS (m) ........ 4.55 VAS (LITERs) 128.80 SUSPENSION COMPLIANCE: CMS (UM/N) . . . . 320.47 MOVING MAss, AIR LOAD: MMS (GRAMS). . . . 137.20 MOVING MIIss, DIAPHRAGM: MMD (GRAMS) . . . 130.14 FREEEAIR RESONANCE: FS (HZ) ........ 24.00 MEGIIANIGAL Q: QMS ........... 8.21 ELECTRICAL CI: QES ............ 0.60 TOTAL 0: 0TS ............ 0.56 MAGNETIC-GAR HEIGNT: HAG (IN). . . . . 0.31 HM3 (MM) , .. .7.92 VOICE-COIL HEIGHT: HVC (IN). , . . . 1.25 HVC (MM) ....... 31.75 MAXIMUM EXCURSION: XMAX (IN) ........ 0.47 XMAX (MM) ...... 11.91 In as an Is In Is In :5 in um um . us we 1.5 2,5 In: SEALED BIJX VOLUME (INCLUDES DRIVER DISPLACEMENT) Reference IZZOw (sm: New) vm = 1.25 mm liters) (III sides lInlII wnn lemon Ilnzmass m Imam") SEALED FREQUENCY RESPONSE @ 2.83 V as Tm: I2 an we an In I Mm. zu mm: '01 SEALED EXCURSION/GROUP DELAY @ 250 W m um T min III f mmwmm i LERF III Mummy In Ina M 1m 5w Ik n: Ila/man Dansnrner Eran]: - 1517 Lrnssways Park Drive - Woodaury, NY 71797 - ID/BE: Hues-ma o FAX.- 51545154555 - minnirysymmscnnr