DSP recommendations. Decent performance for less than miniDSP?

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Tadeusz

Member
Joined 2015
#1
Hi all

Purchased a MiniDSP 2x4 and set it up with two-way speakers and loved it. Tried a project with one of the Sure Electronics JAB3+ amps with built in ADAU1701 (same chip, right?) but it wasn't very good, lots of hissing and distortion but I do really like SigmaStudio! I also like having multiple general purpose potentiometer inputs.

I was wondering if you can give me some recommendations, can you get decent performance using the boards you can find on AliExpress?

I was looking at this Media Works board for a 2x4: ADAU1701 DSP Tuning Module/analog 2 in 4 Out (compatible with ADAU1401A)|Instrument Parts & Accessories| - AliExpress

I'm also looking for a 2x8 board for 3-way speakers:
ADAU1452_DSP Development Board Learning Board|Instrument Parts & Accessories| - AliExpress

I know some of you have tried these, is it a case of 'get what you pay for' and go with a MiniDSP for HiFi?

Also I'm curious, how big of a jump is it to go for something like a SHARC processor with FIR filters?

Thanks
Tadeusz
 
#3
I opened the 2x4 and found the ADAU1701 and a PIC, so no external dac chip! It has no noise so I guess it's all about the quality of the PSU and such.

Looks like they feed the data to an ADAU1401 for the Codec board, wondering if that will be good enough. Shame I missed out on the FreeDSP project as that would've been ideal.
 
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