cheap simple DSP crossover

Kjeldsen · 25th December 2014, 03:41 PM

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.

basreflex · 26th December 2014, 09:25 PM

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...

Kjeldsen · 27th December 2014, 09:11 AM

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.

basreflex · 27th December 2014, 10:49 AM

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.

Kjeldsen · 28th December 2014, 11:35 AM

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?

basreflex · 28th December 2014, 04:59 PM

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.

Kjeldsen · 28th December 2014, 05:15 PM

Om looking for a finished solution. Im not maling it

basreflex · 28th December 2014, 05:24 PM

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 ?

Kjeldsen · 28th December 2014, 08:47 PM

Again, I am not going to making anything - no programming no soldering, just a off the shelf solution.

basreflex · 28th December 2014, 09:27 PM

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

25th December 2014, 03:41 PM	#1
Kjeldsen diyAudio Member Join Date: Dec 2003 Location: Randers, Denmark	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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26th December 2014, 09:25 PM	#2
basreflex diyAudio Member Join Date: Oct 2007	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...

27th December 2014, 09:11 AM	#3
Kjeldsen diyAudio Member 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.

27th December 2014, 10:49 AM	#4
basreflex diyAudio Member Join Date: Oct 2007	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.

28th December 2014, 11:35 AM	#5
Kjeldsen diyAudio Member 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?

28th December 2014, 04:59 PM	#6
basreflex diyAudio Member Join Date: Oct 2007	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.

28th December 2014, 05:15 PM	#7
Kjeldsen diyAudio Member Join Date: Dec 2003 Location: Randers, Denmark	Om looking for a finished solution. Im not maling it

28th December 2014, 05:24 PM	#8
basreflex diyAudio Member Join Date: Oct 2007	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 ?

28th December 2014, 08:47 PM	#9
Kjeldsen diyAudio Member 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.

28th December 2014, 09:27 PM	#10
basreflex diyAudio Member 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