Hammond XM-1
Drawbar Sound Module (1993)

 

Organ module expander with optional XMC-1 drawbars control.

Made by Suzuki but strategically branded Hammond, producer of the classic B3.

 

MODULE half rack unit , rackmount using optional kit XRM-1.
Main panel features a 16 x 2 lines display, 8 push buttons and 2 knobs.

Rear panel terminal connectors:
- Midi interface
- headphones out
- main out
- footswitch input
- custom input (XEC-1) for optional drawbars module model XMC-1
- special input for external Leslie (may need an extra adapter depending on model)

Power supply is a 9-12V external PSU negative in center, at least 1A.

 

VOICE main core 16 bits M37702 CPU manages up to 32 voices polyphony based on digital VASE synthesis multi samples structure. Organ harmonic tonebars emulation can be summed on variable harmonics values for a total of 253000000 possible combinations.

LISTEN sinewaves summing

DRAWBARS the 9 drawbars are numbered from softer (1) to louder (8) and organized into 3 categories (sub, foundation and brilliance) and 3 colors:
1- white are the fundamentals octaves
2- black are the dissonant harmonics
3- the 2 brown are respectively 1 octave lower of the 8' drawbar and 3rd harmonic of five tones above the fundamental.

 

WAVEFORM the basic sine wave can be set to different modes into the drawbar voice mode:
- B3 TYPE: emulates the classic b3 system
- MELLOW: purest sine-wav
- BRITE: a variation of sinewav with some extra frequencies

 

ENVELOPE of course a CLICK can be added to the drawbars (4 different levels) and the advanced attack features it is possible to change the ATTACK segment as well as SUSTAIN.

PERFORMANCE manages 3 assignable parts :
- UM upper manual
- LM lower manual
- PL pedal keyboard.

 

EFFECTS : here are 4 kinds of digital effects:
1- reverb: 4 presets including Room, Live, Church and Hall
2- vibrato / chorus : 3 + 3 modes
3- overdrive: 15 levels of sound saturation
4- leslie: internal DSP emulator Twin Rotor Digital features 10 different configurations including many famous cabinet emulations including models 147, 710, 825, 122- of course it can be set to traditional frequency SLOW or FAST and stopped by the BRAKE function. It is also possible to define the RPM (round per minute) speed and the rise fall time during acceleration and deceleration, in addition there are parameters to set 2 virtual microphones positioning and distance.

MIDI standard implementation and some nice adds: aftertouch and modulation CC#1 can be assigned to note bending, slow/fast Leslie or overdrive engage mode.
FULL Sysex dump to save sounds.

MEMORY :
- 100 ROM patches
- 28 RAM patches.

 

 

RELATED FAMILY:

Hammond Xm2 - updated version with even more power

 

 

AUDIO DEMO

demo1 demo2 demo3

demo4 demo5

VIDEO CLIP SELECTION Hammond XM-1 soundmodule Bling, Blog & Bebop XM-1 Jazz Organ