T tonejam Well-known member Joined Nov 20, 2007 Messages 185 Reaction score 0 Aug 18, 2013 #1 WOW! I actually got a reply from Boogie. It said......the Grid Bias on the power tubes should be at -12...... anybody know what that means?
WOW! I actually got a reply from Boogie. It said......the Grid Bias on the power tubes should be at -12...... anybody know what that means?
thunda1216 Well-known member Joined Feb 17, 2008 Messages 522 Reaction score 0 Aug 19, 2013 #2 probably means -12 volts...(minus 12 volts)