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Input coupling caps as high-pass filter

I have a trends ta10.1 that drives the midrange and treble on my 3 way horn speakers. Trends goes full range and the low pass is filtered out by the speakers passive filter.
The passive x-over between bass and mid is 400Hz.
Bass horns are powered by a different amp trough an active crossover.
I tried full active but this configuration sounds so much better.
I would like to remove some bass frequencies going to the Trends to release it from unnecessary stress and distortion.
I was thinking changing the input capacitors so that it creates a 300Hz high-pass filter.
Would this work and which caps would you recommand for maximum sound quality?
My trends is completely modded and uses high quality film caps but I forgot the brand. They are yellow with an AN logo - but no they're not audio note caps, if such a thing exists.

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Topic - Input coupling caps as high-pass filter - KanedaK 11:34:26 02/02/17 (13)


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