Re: MXR Phase 45, 90 & 100?
For a Phase 90 sound, I like the Whirlwind Orange Box, it's the original Phase 90 circuit with added LED and true bypass.
I also have a Dunlop MXR Custom Shop Phase 45, it's more like a Univibe sound, in some ways I like it even better than a Phase 90. I only wish Whirlwind would put out their version of the Phase 45 with the LED and TB, as the Dunlop MXR pedal doesn't have those features, they are just like the original versions. Both I find very useful for different sounds.
Al