Instruction/ maintenance manual of the product j50 JBL
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J SERIES LOUDSPEAKERS OWNER’S MANUAL J J5 0 J520M J 620M J 820M J 830M J 900MII J1000MII J Center SERIES J Series OM 7/28/98 10:20 AM Page 1.
INTRODUCTION Congratulations on choosing JBL J Series Loudspeakers. Their highly accurate, uncolored and balanced sound character will greatly increase your enjoyment of recorded music and movies. JBL speakers are built with careful attention to detail, using only the highest quality materials.
them, at the listening position, is between 40 and 60 degrees. For example, if your listening position is 8 to 12 feet (2.5m to 4m) from each speaker, the two systems should be about 8 feet (2.
part of the outer insulation; or a printed “+” marking on one of the insulators. It does not make any difference which of the two strands of wire go to (+) and (–) on the speakers and amplifier, as long as all speakers used in your system are connected identically.
Part B indicates that the amplifier can handle 4-ohm combined impedances created by two sets of speakers. If only an 8-ohm rating is given, the amp/receiver may or may not be designed to handle 4-ohm combined ratings. Consult the owner’s manual of the amp/receiver for clarification.
Additional Areas to Check When Using an AV Receiver: No sound at all or very faint sound from the center channel or other speakers 1. Speaker wire has become discon- nected. 2 . One of the connections between sound source and AV receiver/amp is faulty or has become disconnected.
J SERIES LOUDSPEAKERS 7 Specifications J Center J50 J520M J620M Application Center Bookshelf Bookshelf 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) Low Frequency Transducer 2 x 3.
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 Compo.
An important point after buying a device JBL j50 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JBL j50 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JBL j50 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JBL j50 you will learn all the available features of the product, as well as information on its operation. The information that you get JBL j50 will certainly help you make a decision on the purchase.
If you already are a holder of JBL j50, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JBL j50.
However, one of the most important roles played by the user manual is to help in solving problems with JBL j50. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JBL j50 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
