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Newbie needs advice 2 years 2 days ago #50848

  • m1964
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Hi to all,
I believe that the MiniDSp 2 x 4 HD is what I need to integrate a sub into my powered speaker system, but I have a question on how to set it up.
My "system" is Roku Premier+ 2 powered speakers+TV.
The speakers have Optical (toslink), AV and headphone jack inputs.
Currently I feed the speakers directly from Roku's optical output.

I understand that I can send the signal to MiniDSP HD via optical cable, and then configure the box for 2 speaker level output and sub output.
I am looking at page25 of the user manual, and my understanding is that I would need only one input (Toslink/optical).

I would need to set crossovers for the 2 speakers outputs and one sub output.

So I would have to set input 2 to "Off", and have output 1, 2, and 3 set to "ON", and output 4 set to "OFF"

What I do not understand how to set crossovers.

There are two: high and low frequencies to be set.
Why is it shown that the speaker-level output is set using high-pass filter set to 80 Hz?
And low pass filter is not used?

My understanding was that low-pass crossover would limit lower frequencies sent to speakers?

I mean I could just copy the manual but I'd like to understand the terminology used in the manual.
Does the High pass filter" mean that higher frequencies are filtered?
"Low pass filter" means low frequencies are being filtered.

In my "main" system the crossover is set by the receiver, and there is only one value: if set to 80Hz, everything above is sent to speakers, and everything below to the sub.

The two settings on MiniDSP HD confuse me.

Thanks

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Newbie needs advice 1 year 11 months ago #51305

  • Derpingit
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from the manual :

"In a two-way loudspeaker, for example, a low pass filter is used to remove high frequencies from the signal sent to the woofer, and a high pass filter is used to remove low frequencies from the signal sent to the tweeter"

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Newbie needs advice 1 year 11 months ago #51310

  • m1964
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Thanks - I already figured it out

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