These are original and provided by Roland. The Roland part number is 15229816. I collect and repair synthesizers since 1992.
Roland MC-5534A Wave Generator Original Roland Juno-106, MKS-7 15229816
For Schumann Wave Signal Generator SW 88 7.83Hz Sine Output 140x100x30mm Size
Roland TM-2 Drum Trigger Module Tone Generator Battery Powered Black From Japan
Healflux Custom Frequency Generator V2, Schumann Resonance Generator
Sea Drum 6/8/10/12-inch Ocean Sound Drum with Wave Beads Solid Sturdy Wave
