This listing is for an Original SCHEMATIC DIAGRAM (only) for the WOLLENSAK 5710 model Transistorized Amplifier. This Diagram is still in good usable shape and is still fully intact. Has binder hole wear/tears. Has corner/edge wear. Has some stains. Has some age dis-colorization. This Schematic Diagram is in good usable shape. 1968. Thank-you for your interest in our listing.