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MiniDSP 2x4 kit VS miniDSP 2x8 kit
MiniDSP 2x4 kit VS miniDSP 2x8 kit
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Old 8th June 2015, 03:02 PM   #1
brunogiovs is offline brunogiovs  Canada
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Join Date: Sep 2014
Default MiniDSP 2x4 kit VS miniDSP 2x8 kit

Hello All

I'm discovering active crossover world. So initially I was planning to go old school with a analog crossover ( opamps and capacitors ) and I gave a try to a minidsp 2x4.

I found the minidsp 2x4 a very interesting dsp but I decided to go with a 3 way active speaker and not a 2 way as before and the minidsp 2x4 has a annoying noise floor. when you came closer to the tweeter you can hear noise. I have a super quiete amplifier (ESP P3 and P101 ) and source.

My question is do anybody have experience with minidsp 2x4 on the noise issue?
the miniDSP 2x8 have a much better ADC/DAC ( CS42528 ) how much quieter is it?
do I need to put a attenuation on the analog output (gain structure issue) to my tweeter ?

Thanks guys.

Last edited by brunogiovs; 8th June 2015 at 03:17 PM.
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Old 8th June 2015, 03:17 PM   #2
Davey is offline Davey  United States
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Join Date: Dec 2001
Location: Bremerton, WA.
Bruno,

There are already numerous threads on miniDSP noise characteristics.......both here in the miniDSP area and on the miniDSP forum itself.

Whether the noise of the 2x8 unit is preferable in your situation might depend upon your power amplifier bandwidth characteristics and how it reacts to out of band noise. There are different noise-shaping techniques used between the 2x4 and 2x8 boards.

(Mods could probably move this post to the miniDSP area of this forum.)

Cheers,

Dave.
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Old 8th June 2015, 03:21 PM   #3
brunogiovs is offline brunogiovs  Canada
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