Infinity Reference 1220w 12" woofer vented and sealed bandpass b…

Mlnnityww GAR AUDIO VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) Reierence 1220w (side view) vm = 2.00 H3 (56.64 liters) (all sides lined with 1-incli fiberglass or iiherfill) diameter = 4" VENTED FREOUENOY RESPONSE @ 2.83 V 105 B ln-car I 12 d0 LP @ 80 Hz 100 D5 90 85 . an 4' 75 70 s5__i_i__1J 20 Frequency 50 100111 200 500 1k 2k VENTED EXCURSION/GROUP DELAY @ 300 W Xd M T mSec 20.0 17.5 15.0 11.5 ~ 10.0 7.5 5.0 2.5 0.0 100 N1 ZOO 20 Frequency 50 500 1k 2k 40 30 20 10 0 .10 ~20 -30 40 SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) (2)PO|LS length: =62.8Hz 3-99" Reference 1220w (side view) an = 1.25 ft3 (35.40 liters) (stuffed with loosely-packed fiberll) VFRONT= 1.25 3 (35.40 liters) SEALED BANDPASS FREOUENOY RESPONSE @ 2.83 V 00 105 , ln-Car i 12 118 LP @ 70 HZ 1 100 ._ .. I 7 1 i 55 ,. _ i i . $ 1 i . . i A i l 1 l Out-Di-Bar so as an 75 7O LEE 500 1k 2k 55 20 Frequency 50 100 Hz 200 SEALED BANDPASS EXCURSION/GROUP DELAY @ 250 W Xil mM 1 mSec 20.0 17.5 15,0 12.5 10.0 7.5 5.0 2.5 L 20 Frequency 50 LEH _ _ sou 1k 2k Harman Consumer Group 0 250 Crassways Park Drive - Waadbury, NY77797 - VDILE: 515-496-3400 0 FAX: 516-495-4868 0 wwminfinitysystems.com