JBL LSR28P, Technical & Service Manual

Page: 33 / 75

33
RESPONSE CURVES DEPICTING DIP SWITCH SELECTION
DIP switches SW1G and H adjust the gain of the stage around U4A. The effect of selecting these
switches is shown in the curves at the figure below. The highest gain curve is the result of
selecting SW1H whereas the lowest gain curve is the result of selecting SW1G. The middle
curve is the standard response with no DIPswitches selected.
AUDIO PRECISION LSR28_Ht
vs
Treble Adjustments
-40.00
-35.00
-30.00
-25.00
-20.00
-15.00
-10.00
-5.000
0.0
LEVEL(dBu)
300 1k 10k 30k
FREQ(Hz)