Path: utzoo!attcan!uunet!aplcen!uakari.primate.wisc.edu!zaphod.mps.ohio-state.edu!uwm.edu!csd4.csd.uwm.edu!info-high-audio-request From: jank@ttidca.TTI.COM (Michael Jank) Newsgroups: rec.audio.high-end Subject: Re: Class A amps Message-ID: <6688@uwm.edu> Date: 1 Oct 90 12:55:50 GMT Sender: news@uwm.edu Lines: 6 Approved: tjk@csd4.csd.uwm.edu It would be simple to design a class A amp with a juice saving mode. Put a switch on the front: Standby/Listen. When in the standby position, the amp would just keep the current flowing through the heaters of the tubes and shut down everything else. The amp could be left running like this to extend tube life.