Leslie Setup Procedures
1. Place your Leslie 525 or 3301 speaker in a location that produces the best sound reproduction.
2. If you wish to connect your Leslie by means of an 11-pin Leslie cable assembly, carefully plug the male
end of the 11-pin Leslie cable assembly into the female socket located on your organ or keyboard. You
also have the option of connecting your organ or keyboard to your Leslie 525 or 3301 by means of a cable
with ¼” plug on both ends (not provided). Plug one end of the cable assembly into the Line Out jack on
your organ or keyboard, and the other end to the Line In jack on the Leslie. Then proceed to step 4.
3. Repeat the above procedure to connect the other end of the Leslie cable to the Leslie speaker.
4. Plug the AC power cord from the Leslie into a 120V AC outlet.
5. Turn the Master volume control on the Leslie (see page 3) to the fully counterclockwise position. Set the
bass and treble controls to the mid-position.
6. If you are connecting a Hammond organ to your Leslie, pull all the upper and lower drawbars including
the pedal drawbar fully out (#9 positions). Set the expression pedal to the loudest position (fully
depressed). For non-Hammond products, set the volume control to the loudest position and set the voice
registration to a setting that provides maximum sound (i.e. Full organ).
7. Turn on the power switch on your organ or keyboard product and on your Leslie if you are using the ¼”
Line Input jack. For organs, play a three-note chord on the upper and lower manuals and depress the low
“C” pedal. For keyboards, place the unit in the split keyboard mode and play a three-note chord on the
upper manual and the low ”C” pedal note. Have someone slowly turn the volume control clockwise on
the Leslie until the sound begins to distort, then slowly decrease the volume (turn the control
counterclockwise) until the sound is undistorted. Your volume control is now properly set.
In most cases, your local Leslie dealer will connect your new Leslie speaker to your organ or keyboard
product. In the case that no setup was provided or if you wish at a later time to move your Leslie speaker to
another location, please carefully read and follow the appropriate setup procedure.
www.hammondorganco.com
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Caution: Do not play your Leslie at a volume setting that produces a distorted sound. Severe damage
may occur to your new Leslie if played in this condition for an extended period of time
Single Leslie Installation
This Setup procedure should be followed when connecting an organ or keyboard to a single Leslie 525
or 3301.
Lesie 525 or 3301
Organ or Keyboard product
11-pin Leslie cable
assembly or audio
cable with 1/4” jacks
