Sonic Frontier Line 3 vs McIntosh C2500


Anyone has an opinion on this?
Should I switch my 15 yrs old Sonic Frontiers Line 3 Preamp for a newer McIntosh C2500?

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Holy crap... How do you know all that stuff..! But thank you, I get the picture now. The upgrade was big bucks for certain. So far, in the initial 10 hrs of break in I can tell a HUGE difference than before.. It's going to be awesome! Thanks for convincing me to keep it and upgrade it. 
And I convinced you to do this without explaining the major part of the upgrade! :)

Please be careful opening up tube gear. Voltages inside are LETHAL at 300V or higher. This is different than solid state, that is rarely over 15V for a preamp, 60V-ish for an amp.

Turn it off, unplug and let sit for about 10 minutes to ensure caps are fully discharged before poking around inside. :)

Best,


Erik