hikmer
Give the LS100 some time to break-in; and I highly recommend swapping in either Sophia Electric or NOS Sylvania 6SN7s. I also swapped in a NOS Phillips 5AR4, you may or may not feel the need/desire to NOS rectifier.
cantorgale
I think Dan specifically developed the Ambrose One preamp to pair with the Ambrose monoblocks; have you asked him how the rest of the preamp line-up marries up with them?
Give the LS100 some time to break-in; and I highly recommend swapping in either Sophia Electric or NOS Sylvania 6SN7s. I also swapped in a NOS Phillips 5AR4, you may or may not feel the need/desire to NOS rectifier.
cantorgale
I think Dan specifically developed the Ambrose One preamp to pair with the Ambrose monoblocks; have you asked him how the rest of the preamp line-up marries up with them?