Precision Radio Products Mfg. Co. 6 Tube A-W Superhot Get a print! $8.00 Add to Cart Product Information: Model:6 Tube A-W Superhot Manufacturer:Precision Radio Products Mfg. Co. Schematic Pages Page 1 Schematics Content Page 1: IF PEAK 465 KC Please note: we carry a wide range of products which will fulfill the specifications above. Please use our search function or browse our products to find what you need!