Instrukcja obsługi JBL j50

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J Series OM 7/28/98 10:20 AM Page 1
J SERIES
LOUDSPEAKERS
OWNER’S
MANUAL
J50
J520M
J620M
J820M
J830M
J900MII
J1000MII
J Center
J
SERIES

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J Series OM 7/28/98 10:20 AM Page 2 INTRODUCTION between them, at the listening posi- tion, is between 40 and 60 degrees Congratulations on choosing JBL (see Fig. 1). For example, if your lis- J Series Loudspeakers. Their highly tening position is 8 to 12 feet (2.5m accurate, uncolored and balanced to 4m) from each speaker, the two sound character will greatly increase systems should be about 8 feet your enjoyment of recorded music (2.5m) apart. Placing the loudspeak- and movies. JBL speakers

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J Series OM 7/28/98 10:20 AM Page 3 J SERIES LOUDSPEAKERS them, at the listening position, is CONNECTIONS between 40 and 60 degrees. For example, if your listening position is To connect the loudspeaker systems 8 to 12 feet (2.5m to 4m) from each to the receiver or amplifier, use two- conductor insulated wire. Your JBL speaker, the two systems should be dealer can recommend suitable about 8 feet (2.5m) apart. cables, or you can buy wire at most hardware or electronic stores. We Center Channel

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J Series OM 7/28/98 10:20 AM Page 4 part of the outer insulation; or a from each speaker. The use of the printed “+” marking on one of the “test tone” and the controls on your insulators. It does not make any AV receiver will enable you to cor- difference which of the two strands of rectly balance the level (volume) of wire go to (+) and (–) on the speakers sound coming from each speaker in and amplifier, as long as all speakers your Dolby Pro-Logic application. used in your system are connect

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J Series OM 7/28/98 10:20 AM Page 5 J SERIES LOUDSPEAKERS No sound at all or very faint sound Part B indicates that the amplifier can handle 4-ohm combined impedances from both speakers created by two sets of speakers. 1. Amp/receiver tape monitor button If only an 8-ohm rating is given, the pushed in while using CD, FM or amp/receiver may or may not be phono inputs. designed to handle 4-ohm combined 2. Wrong speaker switch, “A” or “B” ratings. Consult the owner’s manual speaker output. of t

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J Series OM 7/28/98 10:20 AM Page 6 Additional Areas to Check When The loudspeaker cabinet may be Using an AV Receiver: cleaned with a slightly damp cloth. To No sound at all or very faint sound remove dust from the grille cloth, use from the center channel or other a vacuum with a brush attachment. speakers Spots may be removed with a com- mercial spot remover. Do not use any 1. Speaker wire has become discon- cleaners or solvents on the speaker nected. drivers themselves. 2. One of the conne

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J Series OM 7/28/98 10:20 AM Page 7 J SERIES LOUDSPEAKERS Specifications J Center J50 J520M J620M Application Center BookshelfBookshelf Bookshelf Channel High Frequency 10mm Ti 2" Paper 10mm Ti 10mm Ti Dome Transducer Composite (Cone) Composite Composite Midrange Transducer n/a n/a n/a n/a (Nitrile Polymer Fibre Cone) 1 Low Frequency Transducer 2 x 3.5" 5" 5" 6 ⁄2" (Nitrile Polymer Fibre Cone) (Neo Magnet) Crossover Frequency 4.5kHz 2.2kHz 4.5kHz 4.5kHz Frequency 80 Hz to 75 Hz to 70 Hz to 55

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J Series OM 7/28/98 10:20 AM Page 8 J SERIES LOUDSPEAKERS Specifications J820M J830M J900MII J1000MII Application Bookshelf Bookshelf Tower Tower High Frequency 14mm" Ti 14mm Ti 14mm Ti 14mm Ti 14mm Ti Dome Transducer Composite Composite Composite Composite 1 1 1 Midrange Transducer n/a 6 ⁄2"6 ⁄2"6 ⁄2" (Nitrile Polymer Fibre Cone) Low Frequency Transducer 8" 8" 8" 10" (Nitrile Polymer Fibre Cone) Crossover Frequency 3.5kHz 3.5kHz 3.5kHz 3.5kHz Frequency 50 Hz to 45 Hz to 42 Hz to 40 Hz to Res