Stick to all Quad system they were made for each other! I tried many preamps with my old and trusty Quad 606II but none sounded better than the Quad preamp 66. If you don't get the 99 you will never know what you are missing. Quads are known to be poor mans Mark Levinson when it comes to the mids. You spoil the mids and you get nothing!
Just my $0.02
Just my $0.02

