Be sure to add me to your favorites list Genuine SONY Power Supply / AC Adapter 9 Volt Model AC-940, for Use with Many Sony Audio / Video Units, in Never Used Condition! This is a genuine vintage Sony AC adapter, model AC-940. This is used with several Sony audio and video units requiring this type of 9 volt adapter with a center negative (-) polarity plug, with a barrel type plug like this one has. This adapter was never used, still with it's cord wrapped up as it was when it was new. There are some minor scuffs / wear on it, from storage wear. Item Details: Brand: Sony Model: AC-940 Rated Output: 9V DC AC Adapter Power Supply Input: 120V AC 60Hz 10W Output: DC 9V 600mA Negative (-) polarity tip, barrel type plug Thanks for looking! Check out my Store!