Preamp with Active/Passive switch??


Hi, I know the Adcom GFP 750 has this very useful feature. Does anyone know of other preamps that have a switch for active/passive modes?
robert_sj
The older PS Audio 4 and 5 series has selectable active/passive mode. I believe that McCormack also made a model that has both. Maybe someone can confirm this. At any rate the PS Audio units sound very good for the money at $300-$400 on the used market. They also have an excellent phono stage that is adjustable for MM or MC cartridges.
Pass Labs Aleph L pre amp. It has a true passive mode 1/4 of volumn control and 3/4 of active mode w/ only 1 gain stage. It's about as good as Ref. Line pre amp with extra gain when you need it. No switch needed.