Pretty hard to have them all perfectly plum..Being so small I would think its impossible to get all the tube seats perfect..If the tubes fit in snug, leave em....
As far as the brightness of the tube you mentioned ,,if there is a matching tube and its brighter I might be concerened..Other than that if it sounds good,enjoy.........
As far as the brightness of the tube you mentioned ,,if there is a matching tube and its brighter I might be concerened..Other than that if it sounds good,enjoy.........