8. Diapason (Principal) 4'
Rich in harmonics, loud.
9. Nasat 2-2/3'
Pitched a major fifth higher than the 4' stops (a G sounds on a C-
key), softer than the 4' tibia but somewhat brighter.
10. Diapason (Principal) 2'
Pitched one octave higher than the 4' stops, full sound at the bass
end, narrower spectrum towards the treble keys. Repeats at the
highest C (same tone as the C one octave lower).
11. Third 1-3/5'
Pitched a major third higher than the 2' stop (an E sounds on a C-
key), soft, intended to add color only, not to be used as a solo stop.
Repeats at the highest G #-key and up.
12. Fifth 1-1/3'
Pitched a major fifth higher than the 2' stop (a G sounds on a C-
key), soft, intended to add color only in conjunction with lower pitch
stops. Repeats at the highest F-key and up.
13. Piccolo 1'
Pitched one octave higher than the 2' stop, thin voice. Repeats at
the C-key of the 4th octave and up. (The 3 highest C-keys produce
the same note.)
14. Cymbal V
Very bright and powerful, brilliant down to the bass end, requires a
full complement of lower pitch stops as a foundation.
15. Mixture III
Powerful mixture, less brilliant than the Cymbal V but fuller towards
the bass end.
3.10 Testing of the M/Man Fixed Stops
Test the middle manual fixed stops in a similar fashion. This time,
however, clip the test lead (-1 5 V) to pin "S 4 " of either
preamplifier.
Mate the connector attached to branch 9.5 with plug 2 of the M/Man
fixed stops (board G P 1), referring to Fig. 89.
Note that the audio output from the middle manual fixed stops is not
connected directly to the preamplifier. Cable No. 141 leads to the
small board DS 1 "Orchestra Coupler" attached to the U /Man II
fixed stops.
This board is to be plugged onto plug 2 of the U/Man II fixed stops
and the connector attached to branch 9.3 is to be mated with the
pins on the board DS 1. Refer to Fig. 88.
Provided this is all done, the board DS 1 is powered by the D C
voltages which activate the electronic switches located on the
board. The M/Man fixed stops signal, therefore, is routed from the
board G P 1 (M/M an) via cable No. 141 to the board DS 1, passes
a closed electronic switch (details see AM 204 "Galaxy Voicing"),
continues via cable No. 142 to the M/Man volume control from
where cable No. 143a carries the signal to the inputs " E 4 " of both
preamplifiers.
Sound Characteristics of the M/Man Fixed Stops
1. Horn 16'
AM 075 (Part)
16
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