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Expert 140 Pro Sub Out without Preamp Ouput
#5
I am in a similar situation. I have an Expert Pro 140 without preamp board. Since I have no dealer in my state I am doubtful I can acquire one (at least from the threads I’ve seen here when searching).

I do have a thought on a solution that would allow me to still use SAM.

You can configure one of the coaxial (rca style) connectors as an output. This gives you a digital out. I’m thinking I could acquire an inexpensive DAC from Amazon or Schiit Modi 3 to convert it to a low level analog output that could then be sent to the inputs on a Subwoofer (either a pair of them or summed into one). You’d still need to use the Sub to control cutoff and level. But you’d retain SAM.

I’m hopeful that an inexpensive DAC is not going to Have a negative sound quality impact because it’s only really being used for the bottom end.

There is a $12 one on Amazon I’m considering (Amtake) although the Schiit Modi 3 is still only $99.

Does anyone have experience trying this? Is there something I’m missing like possible delays in timing of the external DAC vs the speaker outs?
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RE: Expert 140 Pro Sub Out without Preamp Ouput - by RJHD3 - 25-Apr-2020, 08:21

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