Module is available as a DIY project only.
This Module is currently available.
Dual Sine Sawtooth Generator Model 158a clone.
The La Sesenta y Siete, 158a Dual Sine/Saw Generator is a dual VCO.
More info here: https://www.lasesentaysiete.com/ and here: https://www.muffwiggler.com/forum/viewtopic.php?t=208349
These merchants probably sell this module. Huh?
Eminence P-A-LEGEND-CB158-8
Ortega Guitars RCE158SN Performer Slim
Ortega Guitars RCE158SN Performer
Eminence KAPPAPRO158
Edward B. Marks Music Company MCB158A
JVC AL-A158