Quote: That's interesting about the life expectancy of the valves. I'd certainly never heard anything bad about the life span of them with Stax drivers. As for capacitors, I completely agree. I'm an automotive electrician and we see leaky electrolytic capacitors all of the time (although...

Quote: Wow! that's good I would think. My parents old Valve(tube) TV used to have the tubes replaced every few years...it was always breaking down.

Hello, I'm new here!   I'm thinking of upgrading my 25 year old Stax SRD-P driver to a new transistor or tube driver. I'm using it with a pair of Lambda Pro's of the same vintage. Can anyone tell me how long the tubes in Stax driver units are rated for?   thanks.