Lamm LL2.1

did someone go for it after using a LL2 and can describe the differences?
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I haven't, but recently purchased a used LL2 and in the process of researching it I exchanged with several LL2 owners who mentioned looking into the LL2.1 and concluding the differences were not in sound. I recall a gain switch for reducing the overall gain if needed, and a connector to automatically power up a Lamm amp if connected to the pre. Then the obvious aesthetics changes.

My 0.5 cents :-)
Thank you
i noticed a slightly lower noise floor.
LL2.1 is an amazing preamp for the money.
synergy with my lamm ml2.1 is awesome