Thanks for the submissions. This is good, clean work and I like it. I would probably avoid the gradient background on 43 just because I might use it in different applications and would need to put it on a white background sometimes.
I like that you've placed the circle to the left. The overall design has a good length and feel to it.
Concerns: The circle and initials remind me of a radio station or recording label. Could we try some different ideas for the initials? We look forward to seeing anything else you have for us.