Hello everyone,
This is my first post on the diyAudio forum so I think it would be nice of mu behalf if I present myself to all of you.
My name is Nelson Fernandes, I'm 27 and I'm Portuguese.
I'm finishing the Master in Electrical and Computers Engineering, field of Automation and Energy. A year ago, due to my activity on ebay I've opened my eyes to the Audiophile area by buying a TA2024 Sure Electronics board. I just loved the sound of it and even modified it with some of the advices at JustBlair's webpage and build a digital volume control for it, based on the Kookabura project.
So here's a photo of what was my first Class D Amplifier:
[IMGHTTPDEAD]http://img232.imageshack.us/img232/2333/img0397b.jpg[/IMGHTTPDEAD]
You can see that it's very small and all of it's space is, on my opinion, well used.
The bad news is that it's no longer among us... Thanks to my mother, her cleaning mob and my ingenuity when I built the variable power supply that feeds the amplifier.
I'm pretty much desperate to ear again music while working, resting and sleeping with the quality that I was used to and I'm in process to rebuild it but I'm uncertain of what to do, and for that I need some expertize help.
I don't want to spend much money, since it's part of the spirit of this hobby for me. Also I'm very busy on a daily base and I wouldn't like to spend productive time on this. I could simply buy the same board and modify it again, but the Sure's board it's tricky and I think for the same money I can get better.
The Argen Helder TA2024 MKII is a possibility, but I don't know if I can get one already with 2.2uF input capacitors. This board is better to modify and that's what leans me towards to it.
The board that burned, after the changes I've made measured 97x66x18mm so anything more complete would be necessarily bigger and much bigger is not a choice... The box is completely done, the space for the digital volume control is reserved... I really would like to rebuild all inside the same box because the hole thing has already a sentimental value for me.
I looked for some TA2020 options and I don't know if the extra power on 8 Ohm speakers compensates the extra work that would be necessary to modify it and place it inside the box.
They are:
NEW Tripath DIY Audio TA2024 PCB Stereo Amplifier Board - eBay (item 330503446727 end time Dec-04-10 23:40:28 PST)
New MKIII Tripath TA2020 PCB 25watt Class-T amplifier - eBay (item 330502483959 end time Dec-02-10 21:00:13 PST)
More power than the TA2020 is a bit out of question because I have the audio set inside my room and it's not very spacious. Maybe for a next project when I have my house and a nice living room...
So, resuming... Small room, 8 Ohm - 80 W - 2 way - 91db speakers, digital volume control usage, small pcb to use the same little box...
What are your advices on this? Argen Helder MKII or anything else?
Thank you so much for your time and attention.
Best Regards from Portugal,
Nelson
This is my first post on the diyAudio forum so I think it would be nice of mu behalf if I present myself to all of you.
My name is Nelson Fernandes, I'm 27 and I'm Portuguese.
I'm finishing the Master in Electrical and Computers Engineering, field of Automation and Energy. A year ago, due to my activity on ebay I've opened my eyes to the Audiophile area by buying a TA2024 Sure Electronics board. I just loved the sound of it and even modified it with some of the advices at JustBlair's webpage and build a digital volume control for it, based on the Kookabura project.
So here's a photo of what was my first Class D Amplifier:
[IMGHTTPDEAD]http://img232.imageshack.us/img232/2333/img0397b.jpg[/IMGHTTPDEAD]
You can see that it's very small and all of it's space is, on my opinion, well used.
The bad news is that it's no longer among us... Thanks to my mother, her cleaning mob and my ingenuity when I built the variable power supply that feeds the amplifier.

I'm pretty much desperate to ear again music while working, resting and sleeping with the quality that I was used to and I'm in process to rebuild it but I'm uncertain of what to do, and for that I need some expertize help.
I don't want to spend much money, since it's part of the spirit of this hobby for me. Also I'm very busy on a daily base and I wouldn't like to spend productive time on this. I could simply buy the same board and modify it again, but the Sure's board it's tricky and I think for the same money I can get better.
The Argen Helder TA2024 MKII is a possibility, but I don't know if I can get one already with 2.2uF input capacitors. This board is better to modify and that's what leans me towards to it.
The board that burned, after the changes I've made measured 97x66x18mm so anything more complete would be necessarily bigger and much bigger is not a choice... The box is completely done, the space for the digital volume control is reserved... I really would like to rebuild all inside the same box because the hole thing has already a sentimental value for me.
I looked for some TA2020 options and I don't know if the extra power on 8 Ohm speakers compensates the extra work that would be necessary to modify it and place it inside the box.
They are:
NEW Tripath DIY Audio TA2024 PCB Stereo Amplifier Board - eBay (item 330503446727 end time Dec-04-10 23:40:28 PST)
New MKIII Tripath TA2020 PCB 25watt Class-T amplifier - eBay (item 330502483959 end time Dec-02-10 21:00:13 PST)
More power than the TA2020 is a bit out of question because I have the audio set inside my room and it's not very spacious. Maybe for a next project when I have my house and a nice living room...
So, resuming... Small room, 8 Ohm - 80 W - 2 way - 91db speakers, digital volume control usage, small pcb to use the same little box...
What are your advices on this? Argen Helder MKII or anything else?
Thank you so much for your time and attention.
Best Regards from Portugal,
Nelson