Gogamecocks ... the audiolabs are simple elegant designs using off-the-shelf parts. I see no reason that one of their amplifiers can't be kept functioning almost indefinitely. However, in the case of the poster I think a passive pre would be better.
On the other hand Sony will be in business in 10 years time, but I predict that that will be of no use to me at all if my TV packs in.
On the other hand Sony will be in business in 10 years time, but I predict that that will be of no use to me at all if my TV packs in.