A place to discuss member's DIY audio projects & post pictures/schematics. NOTE: There is a limit of 2MB per attachment, and a maximum of 3 attachments per message. If you need to post more than 3 attachments, just add another message.
January 27th, 2022, 2:53 pm
I have installed a new audio system for my test bed computer so I can listen to music while programming and writing. The system except for the home assembled computer is almost all Emotiva. It consists of
Emotiva T2+ speakers
Emotiva BasX A2 stereo amp
Passive volume control using Alps dual pot
Emotiva Big Ego+ stereo dac
Home assembled computer (Ubuntu 20.04) using Kodi for music server
My question is has anyone tried the Emotiva Big Ego+ stereo dac and if so what do they think about it. To me it sounds quite good and it is under $100.
January 30th, 2022, 3:51 pm
Here is what I listen to for background music when working on my laptop. I come out of the laptop via USB to a Khadas Tone Board DAC and then to a Kinter 15W/channel class D amp to a pair of Infinity Primus 150 speakers.
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![IMG_0447_small.jpg (528.08 KiB) Viewed 41850 times IMG_0447_small.jpg](./download/file.php?id=2203&t=1)
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![IMG_0448_small.jpg (344.9 KiB) Viewed 41850 times IMG_0448_small.jpg](./download/file.php?id=2202&t=1)
February 5th, 2022, 12:07 am
tomp wrote:Here is what I listen to for background music when working on my laptop. I come out of the laptop via USB to a Khadas Tone Board DAC and then to a Kinter 15W/channel class D amp to a pair of Infinity Primus 150 speakers.
I have a similar version of that amplifier. Never really used it. How bad are they?
February 5th, 2022, 8:01 am
Not bad at all. Certainly will not replace my main system but for the intended purpose quite good.
February 5th, 2022, 8:41 am
Did you ever measure the DC offset on the tripath amplifier?
February 5th, 2022, 9:26 am
Just measured it. 69mv in left channel, 21mv in right channel. No problem.
February 5th, 2022, 3:57 pm
tomp wrote:Just measured it. 69mv in left channel, 21mv in right channel. No problem.
Wouldn't that cause problems?
February 5th, 2022, 4:55 pm
That represents less than one milliwatt dissipation on each channel and the amount of offset from the cone is probably extremely small. So no problem.
May 28th, 2023, 1:55 pm
brombo wrote:Computer Audio 1.jpg
I have installed a new audio system for my test bed computer so I can listen to music while programming and writing. The system except for the home assembled computer is almost all Emotiva. It consists of
Emotiva T2+ speakers
Emotiva BasX A2 stereo amp
Passive volume control using Alps dual pot
Emotiva Big Ego+ stereo dac
Home assembled computer (Ubuntu 20.04) using Kodi for music server
My question is has anyone tried the Emotiva Big Ego+ stereo dac and if so what do they think about it. To me it sounds quite good and it is under $100.
Can you show how Kodi operates as a music server?
May 28th, 2023, 4:06 pm
I am not quite sure what you mean. All my audio and video files are on my main computer (I have about 44TB capacity, I haven't checked how much I am using). I access them via an SMB network (note that all the machines run Ubuntu 22.04 or 20.04). The main reason I use kodi is that I watch cable TV on a HDHomerun Prime device and kodi has a very nice addon for program selection and recording -
https://www.amazon.com/SiliconDust-HDHo ... B004HKIB6EAs much live TV as I am currently watching (about the only thing I watch live these days is PBS) I am thinking about doing away with live TV altogether. One other aspect of Kodi (undocumented and only works in linux) is that if I have makemkv installed I can play commercial blu ray disks from Kodi. I can also play CD's directly on Kodi.
I am using Ruby Rip to rip my CD's. I don't download media info for Kodi I only look directly at the file folders with Kodi to select what I want to watch or listen to (If you let it Kodi will download media meta-data).
The audio from Kodi sounds fine to me but I have never claimed to have golden ears.
Also since I posted the picture I am using an Emotiva BasX PT1 preamp. It is all analog except for the DAC on the digital inputs (Spdif, TOSlink, WiFi). For my compute audio I use the optical (TOSlink) input. For my turntable it has a phono (MM/MC) input.
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