Ada Cinema Rhapsody Mach II Installation Manual
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Page 46
Speaker Level Setup 2
The Cinema Rhapsody Mach II’s next step involves the balancing of the speaker channels for the
optimum home theater experience. This step permits you to make certain that the individual speaker
levels are balanced appropriately. Prior to entering this step, you should already have completed the
positioning of your speakers and programmed their size into the Cinema Rhapsody Mach II.
The Cinema Rhapsody Mach II has been calibrated in the factory for optimum operation. Thus you
can at this time decide to run your system with just minor adjustments to the Master Volume Control
(center knob).
However, since not all speaker configurations and rooms are the same, for correct setup you should
adjust the channel balance (as well as the delay settings) to best suit your home theater system. If
you are unfamiliar with the process of home theater level calibration and the use of an SPL meter
(Sound Pressure Level meter), ADA strongly suggests contacting an Authorized ADA Dealer for assis-
tance prior to proceeding.
The Cinema Rhapsody Mach II features an internal Pink Noise generator which is used to determine
the signal level to each speaker. In order to best proceed with the remainder of this section’s setup
instructions, it is recommended that you use an SPL meter. Set your SPL meter to “C” weighted and
“Slow”. The optimum SPL level should read 75 dB for each channel. Prior to entering this setup,
please note that pink noise is a static type sound that will not harm your speakers and is used strictly
for level calibration. To begin this setup:
1 Turn the Mode knob clockwise until the display’s second line reads SETUP MENU and then
press the Mode knob.
2 Turn the Mode knob clockwise until the display’s second line reads PRO SETUP and then
press the Mode knob.
3 Turn the Mode knob clockwise until the display’s second line reads STEP 2 LEVEL and press
the Mode knob.
4 The displays second line will read NOISE LEFT and you will now hear pink noise coming from
just the Left channel. Turn on your SPL meter to the 70dB range, Slow, C Weighted setting.
Sit in your listening position and hold the meter at comfortable arms length, pointed up-
wards. If the meter is reading 75dB, proceed to the next step. If the reading is not on 75dB,
press the Mode knob to adjust the left channel’s level up or down so that the meter reads
75dB. When completed press the Mode knob.
5 Turn the Mode knob clockwise one click until the display reads NOISE CENTER. If the meter
is reading 75dB, proceed to the next step. If the reading is not on 75dB, press the Mode
knob to adjust the center channel’s level up or down so that the meter reads 75dB. When
completed press the Mode knob.
6 Turn the Mode knob clockwise one click until the display reads NOISE RIGHT. If the meter is
reading 75dB, proceed to the next step. If the reading is not on 75dB, press the Mode knob
to adjust the right channel’s level up or down so that the meter reads 75dB. When com-
pleted press the Mode knob.
7 Turn the Mode knob clockwise one click until the display reads NOISE R SURR. If the meter
is reading 75dB, proceed to the next step. If the reading is not on 75dB, press the Mode
knob to adjust the right surround channel’s level up or down so that the meter reads 75dB.
When completed press the Mode knob.