The Time Machine 609 and the digital flanger 603 (about 1975) were one of the first BBD units which was produced as a effect box. The Time Machine was build round the BDD TDA1022

Flanger 603

603 PCB
The Time Machine 609 and the digital flanger 603 (about 1975) were one of the first BBD units which was produced as a effect box. The Time Machine was build round the BDD TDA1022
Flanger 603
603 PCB