JBL GTO75.4, GTO75.4II free download

File name Jbl-GTO75.4_75.4II caramp.pdf

GTO Series 75.4 75.4II 4 CHANNEL POWER AMPLIFIER SERVICE MANUAL JBL Consumer Products 250 Crossways Park Dr. Woodbury, New York 11797 Rev3vvv10/2005 Power Amplifier GTO 75.4/75.4II - CONTENTS - SPECIFICATIONS ...1 FEATURES/TEST CONDITIONS...2 INSTALLATION...3 CONNECTIONS...4 SET-UP/CONTROLS ...5 INSTALLING NEON TUBES...5 BASIC TROUBLESHOOTING...7 TYPICAL SYSTEM WIRING...8 EXPLODED VIEW/PARTS LIST...9 MECHANICAL PARTS LIST...10 AMPLIFIER BLOCK DIAGRAM...11 P.C.B. DRAWINGS...12 ELECTRICAL PARTS LIST ...16 VERSION II ELECTRICAL PARTS LIST ADDENDUM...19 IC/TRANSISTOR PINOUTS...20 GTO 75.4 SCHEMATICS...23 GTO 75.4II SCHEMATICS...26 PACKING...29 GTO 75.4/75.4II Specifications Output Power: 104W RMS x 4 channels @ 4 ohms; 1% THD + N (14.4V supply) 142W RMS x 4 channels @ 2 ohms; 1% THD + N 284W RMS x 2 channels @ 4 ohms; 1% THD + N Signal-to-noise ratio: 80dBA (reference 1W into 4 ohms) Dynamic power: 163W @ 2 ohms Effective damping factor: 6.38 @ 4 ohms Frequency response: 10Hz ­ 83kHz (­3dB) Maximum input signal: 5.8V Maximum sensitivity: GTO 75.4 - 230mV GTO 75.4II - 75mV DC Offset <50Mv (-50%) Output regulation: .069dB @ 4 ohm