JBL 8320 Compact Cinema Surround Speaker 150 Watts

The 8320 Cinema Surround Speaker offers high power handling, high sensitivity, and extended bass response in a very compact enclosure. The twoway 8320’s reliability and performance features position it as the ideal low cost, compact surround for the extended dynamic range required by digital sound formats.   

Features :    
50 Hz to 20 kHz Frequency Range
High Sensitivity, 91 dB SPL, 1 W, 1 m (3.3 ft)
High Power Handling Capability: 150 watts continuous pink noise
Internal Thermomaster® technology allows for unprecedented high frequency power in a compact molded enclosure.
Convenient mounting design uses JBL QuickMount™, Omnimount® or APC Multimount brackets
Special cabinet shape incorporates 20° angled front baffle
SMPTE/ISO2969 Curve X high frequency de-emphasis
Lightweight, rigid molded enclosure
Input terminals located on top of cabinet for quick access
Uniform horizontal and vertical coverage
THX® Approved
 
Specifications : 
Frequency Range (-10 dB):    50 Hz - 20 kHz 
Frequency Response (±3 dB):    65 Hz - 18 kHz 
Power Rating:    150 watts continuous
pink noise
600 watts peak 
Sensitivity (1W/1m):    94 dB-SPL half-space / wall-mounted
91 dB-SPL free-field 
Maximum Peak SPL:    122 dB/1m  
Nominal Impedance:    8 ohms  
Hor. Coverage Angle (-6 dB):    100° averaged 400 Hz to 12 kHz 
Vert. Coverage Angle (-6 dB):    90° averaged 400 Hz to 12 kHz  
Directivity Factor (Q):    7 averaged 400 Hz to 12 kHz 
Directivity Index (DI):    8.4 dB averaged 400 Hz to 12 kHz 
Crossover Frequency:    3 kHz 
High Frequency Contour:    ISO2969 Curve X surround contour 
Polarity:    EIA (Positive voltage to RED terminal gives forward cone motion) 
Low Freq Transducer Nominal Diameter:    200 mm (8 in)
38 mm (1.5 in) voice coil 
High Freq Transducer Nominal Diameter:    25 mm (1 in)
25 mm (1 in) voice coil 
Downward Firing Angle:    Nominal 20° when mounted flush on back panel 
Enclosure Material:    Textured Black H.I.P.S. Plastic 
Grille Color:    Black 
Input Connectors:    5-way binding posts 
Dimensions (H x W x D):    406 mm x 343 mm x 224 mm
16 in x 13.5 in x 8.8 in 
Net Weight:    5.0 kg (11 lb) 

The JBL 4645C is a single 460 mm (18 in) high power subwoofer. It is approved by Lucasfilm Ltd. for THX� system installations.