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The 8340A Cinema Surround Speaker offers very high power handeling, high sensitivity, and extended bass response in a very compact enclosure. The twoway 8340A's proven reliability and performance features have positioned it as the industry standard for the extended dynamic range required by digital sound formats. 

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45 Hz to 18 kHz Frequency Range

High Sensitivity, 96 dB SPL, 1 W, 1 m (3.3 ft)

High Power Handeling capability: 250 watts continuous pink noise

Convenient mounting design uses JBL QuickMountTM, Omnimount or APC Multimount brackets

Special cabinet shape incorporates 20angled 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

Approved by Lucasfilm, Ltd. for THX installations


Frequency Range:  :  45 Hz - 18 kHz (-10 dB)
Frequency Response:  :  75 Hz - 16 kHz (±3 dB)
Power Rating:  :  250 watts continuous pink noise, 1000 watts peak
Sensitivity:  :  96 dB SPL, 1W @ 1m (3.3 ft)
Nominal Impedance:  :  8 ohms
Hor. Coverage Angle (-6 dB):  :  100° averaged 400 Hz to 12 kHz
Vert. Coverage Angle (-6 dB):  :  80° 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:  :  2.2 kHz
High Frequency Contour:  :  ISO2969 Curve X surround contour
Polarity:  :  EIA (Positive voltage to RED terminal gives
Low Frequency Transducer Nominal Diameter::  :  250 mm (10 in)
High Frequency Transducer Nominal Diameter:  :  25 mm (1 in)
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):  :  457 mm x 457 mm x 260 mm (18 in x 18 in x 10.25 in)
Net Weight:  :  8.6 kg (19 lb)

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