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| Author: | brombo [ September 15th, 2017, 1:00 pm ] |
| Post subject: | Raspberry Pi Audio dsp+dac |
The following link might interest those who use Raspberry Pi's for audio processing - https://www.osaelectronics.com/product/dacberry-pro/ |
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| Author: | Pelliott321 [ September 15th, 2017, 2:10 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
looks really interesting I think I will give it a try thanks |
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| Author: | Roscoe Primrose [ September 15th, 2017, 2:16 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
I'm not sure how much credence I'd give their marketing hype. They've got a 10WPC amp board too, that they claim is powered by the Pi. Let's see, a typical Raspbeery Pi power supply is 5V at either 2 or 2.5A. Lets give them the benefit of the doubt, and assume a 2.5A PS. So, we've got a power supply that can only supply 12.5W powering a 20W amp AND the Pi. That's not likely to work very well.....  It's also no the only Pi hat based on the PCM5242.... Roscoe |
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| Author: | Pelliott321 [ September 15th, 2017, 2:25 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
I agree but I do not care about the amp just the DAC and low level outs. |
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| Author: | Pelliott321 [ September 15th, 2017, 2:27 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
the DOC's say 3 watt amp on board |
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| Author: | Roscoe Primrose [ September 15th, 2017, 2:28 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
Pelliott321 wrote: I agree but I do not care about the amp just the DAC and low level outs. There a a LOT of DAC boards for the Pi... There's doesn't seem like anything special compared to the rest of the marketplace. Roscoe |
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| Author: | Roscoe Primrose [ September 15th, 2017, 2:30 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
Pelliott321 wrote: the DOC's say 3 watt amp on board From my post: Quote: They've got a 10WPC amp board too I was referring to another product of theirs. If they're going to give you a line of BS on one, they're probably going to do it for the entire line...Rosoce |
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| Author: | tomp [ September 15th, 2017, 2:40 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
Caveat Emptor re specs. I tested a Behringer iNUKE NU6000 stereo power amp that was rated at 3,100W/ch into 4 ohms and when it didn't meet specs I called them. They said that was "peak power" and the RMS output was 2,000W/ch. It clipped at 1,200W/ch and the only way to get 2,000 was to drive it so far into clipping it was essentially a square wave generator. However, at 1,200W/ch it behaved quite well and at a price of $350 it is a steal for a high powered amp. The only downside is that like most pro equipment it has fans. |
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| Author: | Stuart Polansky [ September 15th, 2017, 4:25 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
Roscoe Primrose wrote: Pelliott321 wrote: the DOC's say 3 watt amp on board From my post: Quote: They've got a 10WPC amp board too I was referring to another product of theirs. If they're going to give you a line of BS on one, they're probably going to do it for the entire line...Rosoce If more women understood that, there would be a whole lot fewer marriages. |
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| Author: | Roscoe Primrose [ September 15th, 2017, 6:25 pm ] |
| Post subject: | Re: Raspberry Pi Audio dsp+dac |
Stuart Polansky wrote: If more women understood that, there would be a whole lot fewer marriages. Maybe we should make it our mission in life to educate them. We could be heroes to generations of men to come  Roscoe |
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