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Questions about high pass filter and balanced bridge

Hello!
I have two stereo amplifiers and each of them has input impedance of 50k. The input impedance after balanced bridging should be 25k per monoblock.

First of all, I considered to have them balanced bridging and through the use of double sets of RCA unbalanced cabling feed from the dual outputs of the preamp.

Now I want to use the FMOD crossover for high pass only, obviously I need 2 sets of FMOD crossovers.

My targeted high pass filter for the loudspeakers is between 100 - 150Hz @12db per octave.

Which FMOD crossover should choose? Refer to their website, the actual high pass filter frequency is determined by input impedance of the amplifier. What should I go for?

Keep it in mind, I need 2 sets of unbalanced (RCA) cables and 2 sets of FMOD crossovers due to the "balanced bridging".

Thanks!

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Topic - Questions about high pass filter and balanced bridge - Tube747 09:28:57 06/13/17 (9)
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