Simulink - How to scale the amplitude of an FFT magnitude block?

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Hi all!
Is there a way to scale the amplitude components of the output of an FFT magnitude block in Simulink?
I have a simulink model where I would like to scale the amplitude components. I tried a 'divide' block to do the scaling. But using it will also alter the frequency scale (as can be seen in the vector scopes).
Anyone know of a way to scale the amplitude components only without altering the frequency scale?
I've included my simulink model here.
Thanks for any help in advance!

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