JBL LSR28P Technical & Service Manual
Also see for LSR28P: Owner's manual
                                                                           |
19INPUT BUFFER AMPLIFIERThe integrated circuit, U3, provides several functions. U3A is used as an input buffer amplifierwhich isolates the source signal from deterioration caused by the user selectable DIP switches,SW1A.,B,AND C. The resultant gain of U3B will vary depending upon which DIP switches areenabled. The final composite signal on pin 7, U3B, is sent to coupling capacitors C4 and C26which provide access to the low and high frequency processing circuits, respectfully.Input = 0 dB/2.2 Vpp@ 100 HzOutput= 1.1 Vpp |
Related manuals for JBL LSR28P
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine