This is a euro-SMT version of the SN76477-based SN Voice from Thomas Henry is here. The PCB is designed to fit behind the existing euro panel design, with all of the panel components PCB-mounted
the 'pcb+panel+IC' bundle includes the TI SN76477 IC (NOS)
we will continue to offer both thru-hole PCB versions in addition to the SMT PCB version.
there is a build thread on the muffwiggler forum here: sn voice smt euro