A simple conversion to GAM and sound with:
SMB | coreless motor 12,800 rpm; 8x12mm | Special-adapter shaft to 1.35mm | speaker
Includes 470uF buffer block.
Including welding LEDs pre-soldered on the wire plus series resistor for connection to the decoder.
The gear is accepted. Soundproject for SD10A is included (download).
Instruction
Video on Youtube
Soundproject ET99