JBL 4344 MKII Owner's Manual
Also see for Professional Series: Technical manualTechnical manual
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The 4344MkII loudspeaker systems have an oiled finish. Cleaningshould be done with an untreated dust cloth. Do not use conventionalfurniture waxes and polishes, which are not designed for oiled finishes.If touch-up is necessary or the finish appears to be drying out, the surfacemay be re-oiled with a commercially available oil-finishing preparation.Do not use any solvents on the finish.The grille may be gently vacuumed. Stains may be removed with an aerosolcleaner, following the cleaner's instructions. Do not use any solvents on thegrille.All wiring connections should be inspected and cleaned or remadeperiodically. The frequency of maintenance depends on the metals involvedin the connections, atmospheric conditions, and other factors, but once peryear is the minimum. The battery should be replaced approximately everythree years. Consult your JBL dealer for specific recommendations.If a problem occurs, make sure that all connections are properly made andclean. If a problem exists in one loudspeaker, reverse the speaker wires tothe left and right system. If the problem remains in the same speaker, thenthe fault is with the loudspeaker. If the problem appears in the oppositespeaker, the cause is in another component or cable. In the event that your4344MkII loudspeaker system ever needs service, contact your localJBL dealer.Maintenance and ServiceNo.134344 MK 11 Manual 7/21/98 3:18 PM Page 12 |
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