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cheap simple DSP crossover
cheap simple DSP crossover
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Old 25th December 2014, 03:41 PM   #1
Kjeldsen is offline Kjeldsen  Denmark
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Join Date: Dec 2003
Location: Randers, Denmark
Default cheap simple DSP crossover

I'm looking for a very simple DSP crossover. I have found trigaudio and I am negotiating with them. They normally sell in MOQ 300, and I need maximum 20 (for reselling in my small DIY shop).

Are there any other alternatives. I'm not looking for a MiniDSP competitor, but just a very basic board.
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Old 26th December 2014, 09:25 PM   #2
basreflex is offline basreflex  Spain
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best option is a board with ADAU1701. depending on other options like power-on click supppression, wide range supply input regulation, connectors, monitoring , volume control, cost will go up. cost of real time parameter change is 80$, or off line programming using an arduino. checkout freedsp board...
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Old 27th December 2014, 09:11 AM   #3
Kjeldsen is offline Kjeldsen  Denmark
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Join Date: Dec 2003
Location: Randers, Denmark
ADAU1701 is MiniDSP territory, and no one can beat them in either cost or quality or support. I am looking for ultra simpel board 2 in 4 out. Eq on input and cross over on output. Pricerange = half of miniDSP.
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Old 27th December 2014, 10:49 AM   #4
basreflex is offline basreflex  Spain
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if the board is SMT only the cost will be tolerable. TH connectors and other TH components drive up the manufacturing costs. unless the DIY-er solders the TH components as a kit.
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Old 28th December 2014, 11:35 AM   #5
Kjeldsen is offline Kjeldsen  Denmark
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Join Date: Dec 2003
Location: Randers, Denmark
It's very hard to find. Maybe there is no market for DSP in the 50$ range incl software. Is the price up to MiniDSP 2 in 4 out wtih plug in not worth mentioning?
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Old 28th December 2014, 04:59 PM   #6
basreflex is offline basreflex  Spain
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the cost problem is in the software. Analog devices does not allow the sale of their products and freeware software and have the end-user reprogram the DSP. That's why minidsp had to develop their own software . I estimate the board material cost below $30 in quantities. you have to sell a lot of units to earn back the software development.
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Old 28th December 2014, 05:15 PM   #7
Kjeldsen is offline Kjeldsen  Denmark
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Join Date: Dec 2003
Location: Randers, Denmark
Om looking for a finished solution. Im not maling it
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Old 28th December 2014, 05:24 PM   #8
basreflex is offline basreflex  Spain
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so fixed XO freqs, and corrections ?
then you can save on the programming connector and just plug in a programmed eeprom. and do the development on an evalkit or any board like the freedsp board. what power supply do you think of ?
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Old 28th December 2014, 08:47 PM   #9
Kjeldsen is offline Kjeldsen  Denmark
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Join Date: Dec 2003
Location: Randers, Denmark
Again, I am not going to making anything - no programming no soldering, just a off the shelf solution.
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Old 28th December 2014, 09:27 PM   #10
basreflex is offline basreflex  Spain
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Join Date: Oct 2007
I could help you developing a product, but it's not clear to me what the specs should be..
check out the nanodsp thread i did
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