Vintage Harmon Kardon Trio tube amplfier for sale. See the following link for the eBay listing. http://cgi.ebay.com/Harmon-Kardon-Trio-Tube-Amp-Amplifier-VGC-NR_W0QQitemZ5865740705QQcategoryZ73369QQssPageNameZWDVWQQrdZ1QQcmdZViewItem