Don, BTW, if you do want to try KT88's in the VT130, DEFINITELY call ARC first and check to see if it's OK. There may be certain precautions, or restrictions depending on the model of ARC amp you have. Ask to speak with Chris Ossanna in service. He knows everything by heart ;--) If you want to stick with 6550's and want to try something other than Tungsols, I can definitely recommend the Svetlana Winged "C". (Try www.conusaudio.com for best price and great matching.) I have also heard good rumors about the new Electro Harmonix 6550's.
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