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Very good product. Best service manual. Many thanks
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I am only search for 5 Minute, by it in 5 Minutes to and get ist in few ours! Best i found in the Internet and my Amplifer is repaired as well! Thank you
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Readable text and good copy. Very much needed if you wish to do some repairs on this fine old unit.
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Fint forløb med levering af manualen. Kvaliteten af skanningen betegnes som middel
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I found the manual to be clear concise and complete. It was of immense assistance when removing the unit as the unit was over 22 years old and the wiring diagram was unobtainable from the manufacturer. The exploded drawings were clear as were the instructions and labels.
Technical Manual
4348
ACOUSTIC & ELECTRICAL SPECIFICATIONS: � Nominal Impedance 6 ohms � Max Amp Power 200 watts* continuous, 800 watts peak � Frequency Response 33Hz � 40kHz (�6dB) � Sensitivity � Crossover Frequencies SYSTEM COMPONENTS: � Cabinet � Grille 95dB @ 2.83 volts/1 meter 300Hz, 1kHz, 10kHz 4348 (not for sale) 339121-001 (upper) 339122-001 (lower) PHYSICAL SPECIFICATIONS: � Enclosure dimensions 42-1/2" x 23-1/2" x 15-3/4" (H x W x D) (plus Grille�s 1" depth) (1079mm x 597mm x 400mm) � Weight 200 lb (90.7kg) each AURAL SWEEP TEST SPECIFICATIONS: � System Aural Sweep Test 6.0V Input 30Hz to 40kHz � L.F. Aural Sweep Test � M.F. Aural Sweep Test � H.F. Aural Sweep Test � U.H.F. Aural Sweep Test 5.0V Input 30Hz to 500Hz 4.0V Input 100Hz to 2kHz 2.83V Input 1kHz to 10kHz 2.83V Input 8kHz to 40kHz
®
� Ultrahigh-Frequency Transducer 1" (25mm) 045TI (339009-001) DC Resistance 3.1 ohms ±10% � High-Frequency Transducer DC Resistance � Mid-Frequency Transducer DC Resistance 3" (76mm) 435AL (338831-001) 4.1 ohms ±10%
WARRANTY: � Refer to Warranty Statement packed with each product.
10" (254mm) 225J-1 (339093-001) 13.1 ohms ±10% * The maximum recommended amplifier power rating will ensure proper system headroom to allow for occasional peaks. We do not recommend sustained operation at these maximum power levels.
� Low-Frequency Transducer 15" (381mm) 1500FE (338975-001) DC Resistance 5.5 ohms ±10% � Crossover Network (Low Freq) 339126-002 � Crossover Network (Mid/Twt) 339126-001
WIRING DIAGRAM
JBL Consumer Products, 250 Crossways Park Drive, Woodbury, New York 11797
11/02
4348
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