Hi guys,
do you recommend a crossover Digital Audio Processor, not expensive.? I have to play a total 7 way system, twetter + middle + woofer x 2 ..... and a subwoofer
thanks a lot
do you recommend a crossover Digital Audio Processor, not expensive.? I have to play a total 7 way system, twetter + middle + woofer x 2 ..... and a subwoofer
thanks a lot
Depends on how you would want to interface to it. I2S maybe? DSP chips are pretty cheap.
Also, maybe depends on what you would consider to be expensive.
Sound quality doesn't matter at all, only price?
Also, maybe depends on what you would consider to be expensive.
Sound quality doesn't matter at all, only price?
ok, tell me a name of a product that you think ...
I've seen something like this ...
Di alta Qualita ASHLY Protea 4.8SP Ingresso 4/8 Processore per Altoparlanti di Uscita Digitale per la vendita calda|for speaker| - AliExpress
I've seen something like this ...
Di alta Qualita ASHLY Protea 4.8SP Ingresso 4/8 Processore per Altoparlanti di Uscita Digitale per la vendita calda|for speaker| - AliExpress
The device you linked to has analog inputs and analog outputs which might be suitable for a mostly analog PA system. Or, maybe for phonograph reproduction. Something analog to begin with, and that needs to go right back to being analog.
Otherwise for digital playback of music, if sound quality matters at all, all audio should only pass through a maximum on one dac. That is to say, digital audio should be converted back to analog one time only. It means that you should probably look for a DSP solution with digital inputs. What kind of outputs to use would depend on where the audio is going to be sent after the DSP. Should it stay digital until someplace later in the signal chain, or should the one time conversion of digital to analog occur right after the DSP stage?
Otherwise for digital playback of music, if sound quality matters at all, all audio should only pass through a maximum on one dac. That is to say, digital audio should be converted back to analog one time only. It means that you should probably look for a DSP solution with digital inputs. What kind of outputs to use would depend on where the audio is going to be sent after the DSP. Should it stay digital until someplace later in the signal chain, or should the one time conversion of digital to analog occur right after the DSP stage?
And how many ADC/DACs, op-amps, capacitors etc has the signal passed through in production?
My current system has several ADC/DAC stages in the signal path. Easily sounds as good as an analogue system, or single ADC/DAC stage setup.
Maybe it won't measure as good, but I really don't care, as long as it sounds good.
Interesting unit, was another thread on here recently where someone posted a good unit for decent price. Think it was the Basis 922az - looked pretty decent.
Or maybe you just haven't heard a good modern system.
I would encourage the original poster to try something like the processor they posted.
The sheer power increase you get, with much lower power overall, using a fully active setup is something you only appreciate when you experience it.
Allows you to get much more out of a system.
I would encourage the original poster to try something like the processor they posted.
The sheer power increase you get, with much lower power overall, using a fully active setup is something you only appreciate when you experience it.
Allows you to get much more out of a system.
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... as a processor, not very expensive, I found this too;Lannge A 808 8 IN e 8 OUT Processore Audio Digitale LCD Touchscreen 32bit DSP con USB RS232 Interfaccia Del Computer 1U rack Mount|Ricambi e accessori per strumenti elettrici| - AliExpress
but I did not understand if this and the one indicated above can work unbalanced?
but I did not understand if this and the one indicated above can work unbalanced?
sorry ... sorry .. sorry. Speaking of my experience, I eliminated the passive crossovers present in my speakers and inserted an active crossover (currently BEHRINGER CX2310). My Ears hear a much more detailed sound, a well-defined image, a more stable sound ... I have heard a clear improvement with this solution, certainly not exactly cheap and easy to implement ... someone has also tried these digital crossovers ... how do they work? just this ... Thanks and sorry ..
That new one you found looks worse than the first one. You can download the Windows software for it at: A-808 controller_Software_Download_Support_lannge
Looks like there is no manual you can download to see if you like it before buying. No telling if you would be able to understand the manual or the software if you don't speak Chinese. Just no way to find out it seems.
Doesn't matter though. Inside all those things about about the same. They typically use super cheap analog to digital converters, 4 inside one IC, and maybe 4 dacs inside the same IC. At least each output has its own cheap opamp. There will probably be a low end Sigma DSP chip and all audio will be processed at 48kHz.
You pay for the box, its display, the software, USB driver, the shipping box, etc., but the basic guts of it have to be cheap, cheap, cheap.
I don't have a problem if someone wants to buy such a thing to play around with and see if they like it, but its basically a disposable, ultra-low cost, ultra-low quality device. Don't buy it if you can't afford to throw it away if you don't like, would be my advice.
Looks like there is no manual you can download to see if you like it before buying. No telling if you would be able to understand the manual or the software if you don't speak Chinese. Just no way to find out it seems.
Doesn't matter though. Inside all those things about about the same. They typically use super cheap analog to digital converters, 4 inside one IC, and maybe 4 dacs inside the same IC. At least each output has its own cheap opamp. There will probably be a low end Sigma DSP chip and all audio will be processed at 48kHz.
You pay for the box, its display, the software, USB driver, the shipping box, etc., but the basic guts of it have to be cheap, cheap, cheap.
I don't have a problem if someone wants to buy such a thing to play around with and see if they like it, but its basically a disposable, ultra-low cost, ultra-low quality device. Don't buy it if you can't afford to throw it away if you don't like, would be my advice.
Any balanced unit should work unbalanced with the correct leads.
Documents like "Jensen AN-003" (google it) gives some useful information, there was another that discussed interconnects only in more detail, but I can't find it ATM.
A simplistic view is that the positive and negative inputs/outputs at the balanced end act as your signal/ground. It is better to run balanced cable (2 cores + shield) all the way to the unbalanced end and connect it there, i.e. don't join shield/ground/negative at the input/output of the processor at the balanced connection.
So then connect negative/positive to ground/signal of the unbalanced connection. The shield of the cable must be connected at one end, you can connect at both (so to sheild on the balanced end, and ground on the unbalanced) but it can create ground loop.
Documents like "Jensen AN-003" (google it) gives some useful information, there was another that discussed interconnects only in more detail, but I can't find it ATM.
A simplistic view is that the positive and negative inputs/outputs at the balanced end act as your signal/ground. It is better to run balanced cable (2 cores + shield) all the way to the unbalanced end and connect it there, i.e. don't join shield/ground/negative at the input/output of the processor at the balanced connection.
So then connect negative/positive to ground/signal of the unbalanced connection. The shield of the cable must be connected at one end, you can connect at both (so to sheild on the balanced end, and ground on the unbalanced) but it can create ground loop.
Nothing wrong with a Sigma DSP chip, used to know one DSP engineer who would argue they can beat some of the "higher end" (more expensive) but slower DSP chips you can get.
I use them at 192kHz/24bit, run perfectly well at that speed for most home based DSP uses with lots of power spare.
... and if you want to use an active crossover, not a digital , with the possibility of playing a sub too? which one do you recommend?
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