Jbl s 412 p service manual
This is the 23 pages manual for jbl s 412 p service manual.
Read or download the pdf for free. If you want to contribute, please upload pdfs to audioservicemanuals.wetransfer.com.
Extracted text from jbl s 412 p service manual (Ocr-read)
Page 1
- CONTENTS - GENERAL SPECIFICATIONS………………...………………...………………..2 AMPLIFIER SPECIFICATIONS……………………………….……...…………..3 SET-UP GUIDE………..………………….…………………………..…..………..4 CONTROLS……………………………….……………..………………..………..6 TROUBLESHOOTING…………..…………………………...……..……………..7 MECHANICAL PARTS LIST………………………….…………………………..8 CABINET EXPLODED VIEW……………………………………………………..9 WIRING/PASSIVE SCHEMATIC DIAGRAMS……..……..……………………..10 AMPLIFIER EXPLODED VIEW………………..…..…...……….………………..11 BLOCK DIAGRAM…………………………………………………..…………….12 INTEGRATED CIRCUIT DRAWINGS………….…………..…………………....13 ELECTRICAL PARTS LIST……………………………….……………………….14 P. C. BOARDS……………………………..…………….……………………..…..17 SCHEMATICS…..………………..……………..……….…….…………….……..19 PACKAGING…………………………………………….……………………..…..22
Page 2
S412P GENERAL ACOUSTIC & ELECTRICAL SPECIFICATIONS - Nominal Impedance 8 ohms - Max Amp Power 250 watts* - Frequency Response 32Hz – 20kHz - Sensitivity 91 dB (1 watt @ 1 meter) - Crossover Frequency 200Hz, 850Hz, 3500Hz - Subwoofer Amplifier Output 200 watts AURAL SWEEP TEST SPECIFICATIONS: A. System Aural Sweep Test 6.0V Input 20 Hz to 20 kHz B. L.F. Aural Sweep Test 6.0V Input 20 Hz to 500 Hz C. M.B.F. Aural Sweep Test 5.0V Input 100 Hz to 1 kHz D. M.F. Aural Sweep Test 4.0V Input 500 Hz to 4 kHz E. H.F. Aural Sweep Test 2.83V Input 3 kHz to 20 kHz PHYSICAL SPECIFICATIONS Enclosure dimensions : 44 x 16 x 13 3/8 (H x W x D) 1118 x 406 x 340mm Weight 86lbs./39.1kg Each *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. Occasional refinements may be made to existing products without notice but will always meet or exceed original specifications, unless otherwise stated. 2