David Bogen Co., Inc. Supreme Amplifier Get a print! $8.00 Add to Cart Product Information: Model:Supreme Amplifier Manufacturer:David Bogen Co., Inc. Schematic Pages Page 1 Schematics Content Page 1: TO SPEAKER SOCKET MASTERTONE 12-9-25 Drawn by ES Ok. Ben Waxler 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!