Fenway Superheterodyne Get a print! $8.00 Add to Cart Product Information: Model:Superheterodyne Manufacturer:Fenway Schematic Pages Page 1 Schematics Content Page 1: FENWAY EXPERIMENTERS INFORMATION SERVICE SHORT WAVE & TELEVISION LAB. INC. 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!