Transcription of 4647A Specification Document
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4647A Specification Document
4647 ALow Frequency SystemProfessional SeriesKey Features: Usable Response to 35 Hz 97 dB Sensitivity, 1 W, 1 m 600 Watts Power Capacity Direct Radiator Ported EnclosureThe JBL 4647A low frequency sys-tem is designed for general soundreinforcement, smaller motion pic-ture theaters, and as an individualmodule in cluster design. Powerresponse is smooth, and axialresponse extends to 1200 system uses the 2226H 380 mm(15 in) patented Vented Gap CoolingTMtransducer for high power handlingand reduced power transducer features a 100 mm(4 in) voice coil operating in a largesymmetrical field geometry (SFG)magnet structure to reduce a secondharmonic distortion to inconsequen-tial enclosure is constructed ofdense stock and is extensively bracedon all panels. Net internal volume is145 1(5 cu ft), and the enclosure istuned to 40 Hz.
4647A Low Frequency System Architectural Specifications: The low frequency system shall consist of one 380 mm (15 in) diameter transducer mounted in a direct radiator ported enclosure.
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