Drawbar Effects - Leslie
107
What Are “Horn” and “Bass?”
The basic Leslie Speaker design, as represented by the 122 and 147 families of cabinets, divides the sound between
“treble” (above 800Hz) and “bass” (below 800Hz). The treble frequencies are routed to a treble speaker or “driver,”
while the bass tones sound through a bass speaker (typically 15"). In the classic design, the speakers themselves do not
move - a baffle is rotated in front of each speaker to produce animation. The shape of the baffle for the high frequencies
is similar to the bell of a horn, hence the popular designation “horn.” The figure below illustrates this.
The Leslie cabinet type shown above connects to the organ console by means of a special connector kit which allows
proper routing of both the audio signal and the electrical voltage necessary to operate the rotors.
The first Leslie speakers used two motors to rotate the baffles at a speed suitable for recreating theatre-organ-type
tremulant which were controlled by a toggle switch on the side of the speaker cabinet. In the mid-60's an additional
motor was added to both Horn and Bass which spun the rotors much more slowly to suggest the sound of a “celeste,” or
a compound organ stop with two or more ranks slightly detuned. Also added were switches which could be mounted
to the front of an organ console to allow the organist to control the rotor speeds, and therefore the sound, while playing-
“Chorale” described the effect produced by the Slow motors, while “Tremolo” was the designation used when the Fast
motors were engaged. The picture below shows a typical Leslie switch of this kind.
In more recent years there have been two important additions to the classic Leslie design:
1.
The introduction of an 11-pin interface to allow a Leslie Speaker to handle more than one audio
channel, as well as to isolate line voltage from the audio signal path.
2.
The replacement of separate Fast and Slow motors with variable speed motors for both Horn and Bass.
The newer motor design reduces the total number of motors from four to two, and also allows for
“Brake” mode, or the ability to shut the rotors completely off (previously a special “brake kit” had to
be added to the cabinet to permit this feature).
HA<O> SKX
Owner’s Playing Guide
Summary of Contents for SKX
Page 1: ...REFERENCE GUIDE...
Page 2: ......
Page 4: ......
Page 5: ...TABLE OF CONTENTS HA O SKX Owner s Playing Guide...
Page 15: ...INTRODUCTION...
Page 16: ......
Page 23: ...INFORMATION CENTER DISPLAY...
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Page 40: ...THIS PAGE INTENTIONALLY LEFT BLANK TO PRESERVE PAGE FORMATTING...
Page 41: ...DRAWBARS PERCUSSION...
Page 42: ......
Page 108: ...THIS PAGE INTENTIONALLY LEFT BLANK TO PRESERVE PAGE FORMATTING...
Page 109: ...DRAWBAR EFFECTS...
Page 110: ......
Page 143: ...LOWER TO PEDAL...
Page 144: ......
Page 147: ...EXTRA VOICE SECTION...
Page 148: ......
Page 173: ...PATCHES FAVORITES...
Page 174: ......
Page 193: ...OVERDRIVE MULTI EFFECTS...
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Page 266: ...THIS PAGE INTENTIONALLY LEFT BLANK TO PRESERVE PAGE FORMATTING...
Page 267: ...EQUALIZER...
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Page 282: ...THIS PAGE INTENTIONALLY LEFT BLANK TO PRESERVE PAGE FORMATTING...
Page 283: ...SPECIAL PERFORMANCE FEATURES...
Page 284: ......
Page 311: ...MIDI...
Page 312: ......
Page 318: ...MIDI 304 MIDI Templates SKX HA O SKXOwner s Playing Guide...
Page 345: ...USING THE MUSIC PLAYER...
Page 346: ......
Page 353: ...SPECIAL UTILITY FEATURES...
Page 354: ......
Page 363: ...USING THE USB PORT...
Page 364: ......
Page 375: ...APPENDIX...
Page 376: ......
Page 377: ...Appendix 363 APPENDIX Specifications HA O SKX Owner s Playing Guide...
Page 378: ...Appendix 364 EXTRA VOICE Instrument List HA O SKXOwner s Playing Guide...
Page 379: ...Appendix 365 EXTRA VOICE Instrument List cont HA O SKX Owner s Playing Guide...
Page 380: ...Appendix 366 Preset Patch List HA O SKXOwner s Playing Guide...
Page 381: ...Appendix 367 Patch Parameter List HA O SKX Owner s Playing Guide...
Page 382: ...Appendix 368 Patch Parameter List cont HA O SKXOwner s Playing Guide...
Page 383: ...Appendix 369 Patch Parameter List cont HA O SKX Owner s Playing Guide...
Page 384: ...Appendix 370 Patch Parameter List cont HA O SKXOwner s Playing Guide...
Page 385: ...Appendix 371 Global Parameter List HA O SKX Owner s Playing Guide...
Page 387: ...Appendix 373 Drawbar Data List 1 Drawbar Data List 2 HA O SKX Owner s Playing Guide...
Page 388: ...Appendix 374 Custom Tone Wheels List HA O SKXOwner s Playing Guide...
Page 389: ...Appendix 375 MIDI Implementation Chart HA O SKX Owner s Playing Guide...
Page 390: ...Appendix 376 MIDI Implementation HA O SKXOwner s Playing Guide...
Page 391: ...Appendix 377 MIDI Templates HA O SKX Owner s Playing Guide...
Page 392: ...Appendix 378 MIDI Channels and Messages HA O SKXOwner s Playing Guide...
Page 393: ...Appendix 379 System Exclusive Messages HA O SKX Owner s Playing Guide...
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Page 398: ...2018 Hammond Suzuki USA Inc HA O SKX Owner s Playing Guide FM2328 0718...