HI I wanted some advice on some choices . I have a nice dynaco VTA - ST- 120 . Its a modified st-70 employing KT-88'S INSTEAD OF THE ST-70'S el-34'S AND IT SOUNDS NICE BUT IFEEL IF I COULD SOME HOW USE A SOLID STATE on just the woofers the are stock 1970's with new caps in the type AA crossovers and are 4 ohms .The reason I bring this up is I tried a friends McIntosh 2270 in my system an dt souded excellent .I just dont have that kind of $ thanks for any help you may have