I own 3A Signatures and have a chance to get a 60 watt Rogue tube amp. Will the Rogue drive the Vandies okay? The least I've ever used with them is around 100 watts, but that was solid state.
I power my 3A Sigs with Vincent ST-800 monoblocks which are a tubed/ss hybrid with 200 w/ch. This works really well. My rule of thumb - tubed power will sound like SS power of twice the watts. So, the 60 tubed watts will sound like 120 watts ss. I don't think that will be enough with the 3A's unless you only listen to chamber music. I would suggest at least 100 tube watts.
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