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P a g e
B o o k e r L A B ® © 2 0 1 7 - 2 0 1 9
Vintage Motor Controller (VMC) for Leslie Speakers (v19-0214)
[email protected] - +1 (864) 843-4459
Installing the VMC-MM
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Follow the instructions for installing the VMC as above. Additionally, you will need to
connect the speed control power cords on the Leslie amplifier to the VMC.
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Connect the power cords (brown and white heat-shrink) included with VMC-MM to the
Fast In
and
Slow In
AC inputs on the VMC. Connect the brown cord to Fast In and white
cord to Slow In.
-
Plug the other end of the AC cords to the amplifier, either top or front. Connect the
brown cord to Fast and white cord to Slow.
-
Your Leslie can now be controlled by either the stock amplifier or external half-moon
switches or footswitches.
Note:
Plugging anything into the
Speed Control Switch
¼” jack will override the
stock amplifier control. To resume amplifier speed control, unplug anything
connected to this ¼” jack.
Installing the VMC-MIDI
-
Follow the instructions for installing the VMC and VMC-MM as above. Additionally, you
will need the connect your MIDI source to the VMC.
-
MIDI OUT from your keyboard connects to the MIDI IN on the VMC. The MIDI OUT on
the VMC is a soft-thru connection. This can be connected to other equipment to be
controlled by your organ/keyboard, or it can be connected to a DAW for recording Leslie
speed changes that originated via MIDI, half-moon, or footswitch.
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The DIP switches are used to configure the VMC-MIDI to listen for specific keyboard
manufacturer MIDI messages (see DIP switch chart in MIDI Configuration section).
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The LED will pulse to confirm MIDI communication activity.
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Your Leslie can now be controlled by MIDI, the stock Leslie amplifier or external half-
moon switches or footswitches.
Cleaning Up & Testing
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Secure all wires with cable ties, making sure the power cables are routed away from the
moving rotors, drive belts, and motor pulleys.
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Connect power to the Leslie speaker cabinet via the large 6-pin cable connector. Two of
the pins are slightly larger and will be the top-most pins. The connector is keyed with
the two larger pins on top – the connector pushes straight in.
-
Power up the organ. Test the installation by playing the organ and selecting Fast and
Slow modes on either the console mounted switch, half-moon switch or footswitch.
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Congratulations! Your Leslie speaker is now powered by the BookerLAB VMC Vintage
Motor Controller.