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Section 5.3—Integrating the Mezzo Convergent Synergy into Surround
System
Note: Many processors of fer a setup guide that steps you through the integration of each
of the speakers, specifically, setting speaker distances, delays, and phase rotation. These
adjustments are made via internal electrical adjustments. We have found that actual
geometric changes, that is, moving the speaker location and rotation, of fer improved
results when integrating speakers. We recommend that you follow the steps outlined
below, evaluate your system performance, and then make adjustments in the processor.
Ultimately, you will, of course, need to make level adjustments via the processor.
Integrating the Mezzo Convergent Synergy
• The next step in the setup process is to fine tune the location and rotation
of the Mezzo Convergent Synergy. Do as follows:
• Place the Mezzo Convergent Synergy centered between the main speakers
and even with the front inner edge. Set the spikes as indicated in Section
4.
• Follow the processor instructions on level adjustment. Adjust the level on
the Mezzo Convergent Synergy so it matches in level with the left and right
channels. Do not be surprised if the Mezzo Convergent Synergy requires
5-7 dB lower adjustment than that of the left and right channels.
• Make sure that only the front Left, Right and Mezzo Convergent Synergy
are connected.
• Determine the Mezzo Convergent Synergy is connected with correct po-
larity. Using a pink noise generator, play pink noise through the Mezzo
Convergent Synergy together with alternating Left and Right channels. If
the polarity is correct on the Mezzo Convergent Synergy, you will hear the
pink noise centered between the Mezzo Convergent Synergy and either the
Left or Right speakers. If the polarity is incorrect, you will hear two point
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sources that are unfocused and located at each speaker playing.
• With the Mezzo Convergent Synergy spiked, put on a multi-channel audio
track or movie scene with which you are familiar.
• Play the selection and listen for the integration with the main speakers. As
the audio moves across the three front speakers, listen for a smooth tran-
sition from one speaker to the next. You should not hear any voids in the
sound stage.
• Make 1/2" changes in front to back location until you find the Mezzo Con-
vergent Synergy location that offers the best integration.
Image Height
Check the image height. Does the dialogue of a movie have the correct height? Is it
too low or too high?
If needed, adjust the amount of rotation until the image height is correct. On a stand
or floor mounted Mezzo Convergent Synergy, raising the front spikes will raise the image
height; lowering the front spikes will lower the image height. Where possible, we recom-
mend that you add or remove a spacer
to get the correct image height. This
will allow the PDC to be reset using
the tables in Section 10.
Mezzo Convergent Synergy Rotation
Our testing has shown that a
stand-mounted
Mezzo
Convergent
Synergy, at listening distances greater
than 2-3 meters, requires the front of
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