Quote:
Originally Posted by cmalak
TOGA...no you don't. What needs the long break-in on the Ref 40 are the large Caps (those big honking white cans in the power supply  ). Tubes break-in fairly quickly (10-20 hrs) and you should be fine. By the way, I would call ARC and ask them about the useful life of the 6550 in the Ref 40. Remember the 6550 here is being used in the power supply and not as an output tube in a power amp. So it is being driven a lot less hard than in an power amplifier. So it's rated useful life as an output tube in a power amp is 2000 hrs. In the power supply of the Ref 5 and the Ref 40 it might have a much longer useful life. Best to ask ARC about this to confirm. Enjoy your Ref 40. 
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I've talked to ARC on Ref40 tube life... (2) 6550 2000 hours and 4000 hours on the (8)6H30P.
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Chuck
2CH: D’Agostino Momentum's, Audio Research REF40, Wilson Alexia's, SME 30/2, ARC REF2 SE, Meridian 808V5, Transparent REF XL
HT: B&W 800Ds, HTM1D, B&W 802N, (2) Mc 601's MC 303, (2) JL F113s, Meridian 861V8, Sony VPL-VW500ES 4K projector, 120" Stewart SST 130, Oppo 93, 65 inch Panasonic.
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