-Quick Start Setup-
1. Plug the speed control pedal in and connect the organ to the PRO-3X with a ¼” shielded
cord.
2.
Turn the Organ on and set it’s volume to about 50%.
3.
Set PRO-3X controls straight up at the 12 o’clock position and set volume to “0”.
4.
Turn on the PRO-3X.
5.
Connect a ¼” shielded cord from the PRO-3X’s sim out to the low rotor amplifier.
6.
Set the volume on the low rotor amplifier to zero and turn on the amplifier.
7.
Advance the PRO-3X volume to about “3”.
8.
Play some notes on the Organ with a full Organ sound (all drawbars out) and turn the low
rotor amplifiers volume up so that it matches the horn volume of the PRO-3X.
-Sound, what to expect-
The quality of sound will depend on a good organ sound source, the PRO-3X will provide the
real rotary effect. The PRO-3X emulates a 147 type rotary speaker with both back covers
removed. Sound will radiate approximately 50% front, 20% each side and 10% out the back.
As you listen to the front of the cabinet remember a significant amount of sound is being
“spun” around the room from the sides and back of the cabinet so the apparent volume out
front may seem less than a direct facing speaker. This is very noticeable with no reflective
walls or ceiling, Worse case is outside. Use reflective walls/ceiling when possible.
Classic rotary speakers have limited frequency response and are designed to work with and
compliment tone wheel organs. The PRO-3X has many adjustable parameters that work with
classic and modern digital organs allowing you to fine-tune the sound to your personal
preference.
Guidelines for all adjustments are present here, but we encourage experimentation as you
become familiar with each controls range of effect. Most rotary speakers sound their best at
50% volume or more. EQ settings are also dependent on volume so try to adjust each control
while playing at a likely volume.
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