This manual covers the Early Models, including the A, B, C series, B3, A-100, RT, D, and G series electronic organs. These iconic instruments are renowned for their distinctive sound and enduring legacy in music. Designed for exceptional performance and reliability, organs have been a cornerstone in various musical genres, offering a unique sonic palette through their innovative electronic design.

This Service Repair Manual provides comprehensive guidance for the maintenance and repair of your electronic organ. It details essential procedures, technical specifications, and troubleshooting steps to ensure your instrument remains in optimal working condition. This resource is invaluable for owners, technicians, and anyone involved in the upkeep and restoration of these classic musical instruments, covering aspects from basic servicing to more in-depth repairs.