YAMAHA DD-10 digital drum bank - testing all 100 rhythms

Yamaha DD-10 Digital Drum Band Percussion (1988) Cheap drum machine with pads - based on Low quality PCM samples, a simple sequencer and some basic Midi features. DRUM MACHINE Main panel features 8 pads with primitive velocity system, 32 push buttons and a slider volume. Internal stereo speakers (1,3W RMS). Rear pannel terminal connectors: main signal out headphones Midi input Foot pedal input. Orignally the DD-10 came with shoulder strap and a double foot pedal both included. ac Power supply is a 9V external PSU DC positive in center (original model CA-1) or 6 x 1.5 V "C" batteries. TECH main core based on HD6301. Custom Yamaha sound generator YM3302 - relative DAC is a YM3012 same found on Yamaha TX81Z YM3302 WAVETABLE internal ROM (still 3302) contains 26 PCM waves probably at 8 / 12 bits resolution sampled from acoustic drums. rom Drum List: tom (x4), snare, rimshot, hihat (x2), cabasa, claves, agogo (x2), conga (x2), bongo (x2), crash, splash, synth tom (x2), synth snare, castanet, handclap, cowbell and kick drum. SEQUENCER basic real-time system feature with metronome and a kind of quantisizer. Some sequencer functions: clear a note, assign a sound to any pads, roll option. YM3302 TIP: tempo can be internally set or defined using TAP button. MIDI machine has only Midi Input to trigger sounds. No special Control Change, just plain Note on/off. midi input edit MEMORY: 98 ROM rhytm patterns 2 free patterns.