Sony ST-A6B FM Stereo Tuner
Original retail price in 1978: $350
Here's a link to a review at the Tuner Information Center (scroll down the page to find the ST-A6B) and more information at The Vintage Knob.
Mike's Vintage Stereo Equipment
A Tribute to Older Stereo Equipment
Copyright 2006-2013 by Michael A. Grimm