Semi,
I forgot to mention that you may want to consider an alternative path and contact Jon Soderberg @ Vintage Amp Repair http://www.vintageamprepair.net/ and ask him about his mod/upgrade of both those units. He perfomed some updating to my Threshold Amp (it made a noticeable difference in sound performance). It has been mentioned here and at other forums how he has improved both of the units you own and he has a great reputation.
Good luck,
L
I forgot to mention that you may want to consider an alternative path and contact Jon Soderberg @ Vintage Amp Repair http://www.vintageamprepair.net/ and ask him about his mod/upgrade of both those units. He perfomed some updating to my Threshold Amp (it made a noticeable difference in sound performance). It has been mentioned here and at other forums how he has improved both of the units you own and he has a great reputation.
Good luck,
L

