Yamaha SY99 Owner's Manual page 152

The -100dB level is exceeded by all harmonics except
(4n-2) terms which do not exist.
The -100dB level is exceeded by the 4th harmonic,
and odd harmonics up to the 99th harmonic.
The -100dB level is exceeded by even harmonics up to the
112th harmonic, and odd harmonics up to the 73rd harmonic.
The -100dB level is exceeded by
all harmonics up to the 270th harmonic.
The -100dB level is exceeded by
harmonics up to the 66th harmonic.
The -100dB level is exceeded by even harmonics up to the
310th harmonic, and odd harmonics up to the 49th harmonic.
The -100dB level is exceeded by the 21nd harmonic,
and odd numbered harmonics up to the 63rd harmonic.
The -100dB level is exceeded by harmonics up to the
105th harmonic. [4th terms do not exist]
The -100dB level is exceeded by
all harmonics up to the 300th harmonic.
The -100dB level is exceeded by
harmonics up to the 91st harmonic.
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