Crossover performance can be huge.
Though I like Bob Crites
upgrades especially the tweeters, I feel if you want more you have to
go further than Bob's work as I have.
See Larry's KLF20 thread for my comments and picture with links.
SET12
A Minimalist System,
Sony X77ES CD Direct
SET 572-10 10 Watt Mono Blocks, 2 Gain Stages, Tube Rectified 200 Joules of Energy/ Mono Block, 28lb Output Transformers
Forte Speakers, Outboard Crossovers with North Creek Music 8ga Inductors, Duelund Midrange Capacitors ,Mundorf Silver/Oil Tweeters, Bob Crites Titanium Tweeters and Midrange Autotransformers.
Appleton,WI