Page 44/54 RS18 SYSTEM CHECK LIST
• when listening from behind the system, switch the front drivers in and out. You should hear a
reduction in the LF range when the both front and rear drivers are on as compared to when the rear
drivers only are on;
• When listening from the front, you should hear a strong increase in the LF range when connecting the
rear drivers.
• Raise the bumper, attach the next series of modules and repeat the above checks.
• Make sure that these series of modules sum properly with the modules above them.
8.5 Final Pre-Sound Check Check
• Play a CD track (preferably generous and periodic in the LF content) on the SUB output, mono left,
mono right and then both sides:
• both sides must sound strictly identical when listening at the center;
• level must not decrease at the center when playing left and right simultaneously as opposed to one
side only.
• Play the same CD track on the MAIN system, on the SUB system, then on both:
• Inverting polarity on one of these outputs – MAIN or SUB - should always result in a massive
difference near the crossover point.
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