52
CALIBR ATION (continued)
12. Verify that the pitch is 2 octaves higher (C6 - 1046.5Hz). Note that a pitch within 2 to 3 cents of
the target frequency should be ne. Adjust the KB CV Gain trimpot ONLY if necessary.
13. Repeat steps 9 to 12 to recheck the tuning and make adjustments ONLY if necessary.
14. Now set the Keyboard Octave to “5” and press the low C on the keyboard (KB CV outputs 0V).
15. Connect a properly calibrated, 1V/Octave source outputting 0V (C4) to the VCO 1V/OCT input jack.
16. Verify that the pitch remains the same. A large offset may indicate an issue with a cable, a
connector, or with the calibration of your CV source.
17. Change the 1V/Octave CV source to output +2V (C6).
18. Verify the pitch is 2 octaves higher (C6 - 1046.5Hz). Note that a pitch within 2 to 3 cents of the target
frequency should be ne. Adjust the External 1 V/Oct Gain trimpot ONLY if necessary.
19. Repeat steps 15-18 to recheck the tuning.
USING MOTHER-32 AS A EURORACK MODULE
The Mother-32 can be removed from its case, and easily installed into a Eurorack system as a 60HP module.
Before doing this, it is important to note that the Mother-32 draws a maximum of 230mA from a +12V supply.
It does not use the -12V supply at all.
Make sure there is enough headroom on the +12V supply in your system to power the Mother-32. You will
need to know the current rating of the system’s +12VDC supply, and the current draw of the +12VDC supply
for all modules in the system combined. The sum of all current draw at +12VDC should never exceed the
power supply rating. Note that it is good practice to leave some headroom to reduce stress on the supply.
Moog accepts NO responsibility or liability for improperly installed modules.
TO INSTALL THE MOTHER-32 IN A EURORACK SYSTEM
1. Disconnect external power from the unit.
2. Remove the eight black M3 screws on the front panel and keep them somewhere safe.
3. Lift the panel slowly from the bottom so you can see the two cables going to the Front Panel module.
4. Disconnect the two cables from the front panel. Now the module is free from its enclosure.
5. Look at the back of your Mother-32 module. There is a
10-pin power header on the back of the PCB that accepts a
10-pin Eurorack power ribbon cable.
6. Connect PIN-1 (-12V) of the power ribbon cable to PIN-1
of the Mother-32 Eurorack power header. The darkened wire
(typically red) on the ribbon cable indicates the PIN-1 (-12V)
side of the cable.
7. After power is connected, your Mother-32 may be installed into the rails of the Eurorack system case with
the eight black M3 screws.
8. Once fully installed, you may power up your Eurorack system.
-12V(N/C)
+12V
GND
1
10
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