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JBL S4HC &S4Ai, S4VC, S4HC, S4Ai manual

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SYNTHESIS

FOUR

S4VC, S4HC

&S4Ai

FLUSH-MOUNT

LOUDSPEAKERS

OWNER’S AND INSTALLER’S

MANUAL

S4VC/HC/Ai OM 2/28/06 4:55 PM Page 2

Contents

Main C I THX U F LUSH -M OUNT A PPEARANCE : P URE -T E LLIPTICAL O I or or L EFT AND R IGHT S PEAKERS : C ENTER C HANNEL S S4VC: S4HC : A MBIENT S URROUND S PEAKERS : 5.1-C HANNEL S 6.1-C HANNEL S 7.1-C HANNEL S S4Ai MODES OF OPERATION S4Ai W IRING G WHICH DIFFUSE MODE IS THE RIGHT ONE FOR THE JOB? DIPOLE MODE ISTYPICALLY USED WHEN: B IPOLE M ODE I S T P O S4Ai O S4Ai D UAL -DRIVE M S PEAKER -M OUNTING O Page R EQUIREMENTS FOR M OPTION 2RETROFIT/PREEXISTING C ONSTRUCTION : C P A COUSTICAL P ROBLEMS IN L ISTENING R R OOM R E XCESSIVE U SE OF A BSORPTIVE M SOLUTIONS TO ROOM REFLECTIONS: DIFFUSION AND ABSORPTION S LAP E ROOM ABSORPTION FOR HOME THEATER SYSTEMS Dead zone absorbs front-speaker reflection Live zone provides surround propagation R B ACKGROUND N B ACKGROUND -N OISE S S S ROOM RATIOS S S A How to improve a 2nd-order standing wave S Page T S