FULLY REFURBISHED HAFLER DH-200 UPGRADED AS FOLLOWS: NEW 18000 MFD MAIN FILTER CAPS, NEW EXTRA LARGE FEET, AND MY BEST GOLD PLATED BRASS INPUT AND OUTPUT CONNECTORS. ALL ELECTROLYTICS RE-NEWED ON BOTH DRIVER BOARDS AND INPUT TRANSISTORS MATCHED TO OBTAIN 10-15MV DC OFFSET. OVER 150.00 WORTH OF UPGRADES. I AM AN EX DYNACO/ HAFLER ENGINEER AND VERIFY THE UNIT MEETS ALL THE ORIGINAL DH-200 SPECIFICATIONS, USING THE SAME EQUIPMENT AS HAFLER CO. THE UNIT SHOULD BE GOOD FOR ANOTHER 40 YEARS. THANKS FOR LOOKING!