Should I get CAT SL-1 mkII updated to mkIII?


I just bought a SL-1 mkII preamp. The tubes are a couple of years old and I was going to retube it(almost $300 for NOS). Would I be better off putting that money toward the upgrade to mkIII($675). Any opinions?
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Showing 1 response by avguygeorge

R U sure that is the price for upgrade to 3? I thought it was 1200. The 700 is for 1 to 2--1600 if you have a 1 to 3 at the same time.--Maybe they have changed the price---??