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Hammond L-122 Organ & Motion Sound Speaker Bundle - $1200 (Gotha)


condition: excellent
make / manufacturer: Hammond & Motion Sound
model name / number: L-122 & Pro-3
size / dimensions: approx. 5ft x 3ft x 4ft

1965 Hammond L-122 Organ – All original with one modification described below. It includes two built-in 12-inch loudspeakers and a Hammond spring reverb. No Bench. Here’s a summary description.
- 9 Upper drawbars, 8 Lower drawbars, 1 Pedal drawbar, Tabs for Presets, Harmonic Percussion, Reverb, Vibrato, Expression pedal.
The only thing I've noticed not working is one or two of the drawbars which are essentially primitive faders. A spray with DeoxIT contact cleaner will take care of that; I just haven’t had it openedd up lately.
Modification – The audio signal between the preamp/expression pedal output and the power amp input has been routed to a normally closed ¼-inch phone jack mounted to the lower left front panel. With nothing plugged into the jack, the organ operates normally. With a ¼-inch TRS cable (included) plugged into the jack, the preamp output signal is routed externally as well as the power amp input. These are the send and return signals for the Motion Sound rotating loudspeaker system.

Motion Sound Pro-3 – This is Motion Sound's version of the Leslie 147 rotary speaker system. The Pro-3 provides a rotating high frequency horn along with a low frequency simulator for amplification by another amp. Using the ¼-inch TRS cable mentioned in the Modification section, the Hammond organ signal is input to the Pro-3 which a) drives the HF rotating horn speaker and b) produces a LF signal that simulates the doppler effect of a Leslie lower rotor. In this setup, the LF simulated signal is returned to the Hammond organ via the TRS cable where it drives the two 12-in speakers.
Here is a summary of the Motion Sound features.
- Rotating horn system above 700 Hz w 30 watt power amp for the horn, 12AX7 tube preamp, Volume, Limiter/Distortion controls, Fast/Slow/Stop foot pedal, Low frequency rotor simulator output below 700 Hz.

Instrument Dolly – With 3-1/2 inch rubber casters for moving the Hammond easily.

This rig will require a small truck to move and a couple of healthy individuals. The organ has to be kept upright and can’t be laid on its back (due to internal lubrication of the tone wheel generator).
  • do NOT contact me with unsolicited services or offers

post id: 7117864067


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