For Sale: Dynaco Stereo - 70 Drive Card

Solid State JFET/MOSFET Drive Card as drop in replacement
for the old Dynaco PC-3 used in the Stereo - 70.

Made by Sutherland Engineering Lawrence, Kansas .

Never used or installed.

Included - Install guide, Sales sheet & circuit description.
AND (this is rare) The schematic.

If the buyer is interested:
I have some suggestions on how to improve the design
and application of this Drive Card.
Perhaps cure some of the reasons this product did not get the
welcome it deserved in the Audio Press .

Original price $85.00 shipped

Now $55.00 or best offer shipped US Priority Mail.

The Buyer pays for Insurance.

Shipped CONUS

Thanks for reading.
Steven