Hi Dev-
I haven't had a desire at all to tube roll my VAC preamp, instead taking the path of "if its not broke and sounds great, don't fix it". The amps were a lot easier to deal with as far as just popping tubes in and out and I had heard there could be a considerable improvement. Not so much so on the preamp.
I totally agree with you on getting the 450s broken in before you touch anything else - I would do the same thing.
I haven't had a desire at all to tube roll my VAC preamp, instead taking the path of "if its not broke and sounds great, don't fix it". The amps were a lot easier to deal with as far as just popping tubes in and out and I had heard there could be a considerable improvement. Not so much so on the preamp.
I totally agree with you on getting the 450s broken in before you touch anything else - I would do the same thing.