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Original Message
Audio Research SP9 MK2
Posted by der451b@yahoo.com on December 22, 2008 at 14:43:13:
Hello everyone,
I have an Audio Research SP9 MK2 preamp, does anyone have any sudgestion to improve sonic sound similar to SP9 MK3? Like fast recovery rectified diodes, coupling capacitors?
Thank you in advance.
Thomas