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In Reply to: Electricity bill blues posted by Munkie_NL on September 8, 2006 at 10:39:55:
The only component that gets altered when I'm not listening is the Melos Preamp. It goes on standby mode. It draws less current in this state and it keeps enough power going to the tubes to keep them "warm". Even then it still take the linestage about 1/2 hour to settle down and sounds its best.My amp, preamp, and phono take way too much time to warm up from "cold" and sound their best. The Sunfire amp literally takes overnight! If I switched everything off, I would be cutting my listening pleasure substantially.
cheers,
Close to the Edge, down by the river....
-Ray
Follow Ups:
I have a tubed pre and solid state amp. My current set of 5 tubes in the preamp have been glowing about two years now. They seem to last almost forever (12ax7, 12at7, and 12au7). Works for me. The last time I switched 'em out was when I broke one installing one a Mapleshaed tube damper. I am beginning to feel like I should just leave stuff alone!
They are still in top condition. I am not a tubes man but I would have thought that they have a life span...2 years sounds like quite a time, I was wondering how you tell if they are past their best.
My friend uses a tubed DAC and that sounded great but for the sake of it we swapped tubes and the older ones were very much past their best... everything became more focused with fresh tubes, We had just got used to how the old ones sounded.Have fun,
I need to get a new set of tubes for the linestage!
I've had these tubes in there for 14 months!cheers,
Close to the Edge, down by the river....
-Ray
Hi,So how do we know if they've degraded? Mine are at least 27 months old (the most recent ones purchased, but it was only two line-level tubes, not the phono set). They still sound GREAT. The C-J manual states 2-3 year expected lifetime, but I'm guessing they're talking turning the preamp off after use.
Joe
.
Close to the Edge, down by the river....
-Ray
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