ÿþDISCUSSION ON PROGRAMMING As with all synthesizers it is possible to create horrible sounds as well as the glorious aural excitement envisiged by the designers. It is also possible to make no sound at all, i.e. its no use attempting to tune the drum to a particular pitch if you can't hear it because the level is zero, or the filter pitch is so low as to block all frequencies, or the decay is so short as to produce a click. The variables offered on the SDS 7 have a wide range - the design could have been limited to these sounds that were relevant to drums, but whets the point? A tom tom has a limited tuning range, but a voltage controlled oscilator does not. The SDS 7 tom tom module can produce a tone from 20 cycles to 6 thousand cycles, sounds which include bass drums, tympani, bells, metallic and crashing sounds. Its up to you to decide whether the tom tom module stays as a tom tom or can double as 98 other different percussion effects. - Its our risk that some of them may sound awful. THE SDS 7 MODULE If all the control valves are half way i.e. 120 -150 then the module will produce sound. This is a good starting point for creating new sounds from scratch. A better way is to modify existing sounds that come already programmed in the SDS 7. The sounds from kit No.s 41 to 79 are duplicates of the sounds in kit 1 to 39. Exactly for this purpose.