JBL 4312G Owner's Manual
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554312G Owner ’s ManualEnglishCONTROLS/ADJUSTMENTSThe 4312G has front-panel adjustments that let you balance the levels ofMidrangeControlTweeterControlthe midrange driver (MF) and tweeter (HF) relative to the woofer.You can use these controls to adjust the speaker’s sound according to your room’sacoustics, or your personal taste. The “center” default position is with the marks onthe knobs pointing towards the number five.As with most speakers, after you start playing the 4312G it will take the drivers’suspensions several weeks to “break in” and achieve optimum performance. Duringthis period, the balance between the woofer, midrange and tweeter may change, sowe recommend that you adjust the midrangeand tweeter controls accordingly.NOTE: There is a protective plastic film on the front control panel label. This may be removed upon installation.CARING FOR YOUR SPEAKERS• Wipe the cabinet with a clean, dry cloth to remove dust. Damp cloths or cleaning paper may dull the cabinet’sfinish.• Do not use volatile liquids such as benzene, paint thinner, alcohol, etc., on the cabinet. Do not spray insecticide nearthe cabinet.• To remove dust from the grille fabric, use a vacuum cleaner set to low suction.• Do not wash the grille in water, as this may fade the color or make it uneven.• If the surfaces of the woofer and midrange cones become dusty, you can carefully sweep them clean with a soft,dry calligraphy brush or paint brush. Do not use a damp cloth.• NEVER touch anything to the tweeter dome.SPECIFICATIONSSystem Type 3-way Bass-reflex MonitorWoofer 12-inch (300mm) Pure Pulp cone (JW300SW-8)Midrange 5-inch (125mm) Polymer-coated,Pure Pulp cone (Model JM125PC-8)Tweeter 1-inch (25 mm) Magnesium/Aluminum Alloy dome (054ALMg-1)Impedance 6 ohmsRecommended Amplifier Power 10-200 Watts RMSSensitivity (2.83V/1m) 90dBFrequency Response 44Hz-40kHz (-6dB)Crossover Frequencies 640Hz, 5kHzControls Attenuators for MF and HF DriversConnector Type Five-way Binding PostsFinish Black Woodgrain with Black GrilleDimensions (H x W x D) 23 1/2" x 14-1/4" x 12" (597mm x 362mm x 305mm)Weight 52.4lbs (23.8kg) each |
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