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2x60W/1x120W audio amplifier PCB (LM4780/4732)

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#30
Yahoooo :grouphug:
Man i need something serious to do. Have been home 5 months now, and can't go to work at least the next 6 weeks because of some heavy curgery, so this is almost a "lifesaver"😀

Looking forward to get started.

Lots of greetings from cloudy Denmark.

Ebbe
 
#32
I just ordered PCB's and resistors. They should be ready in 2-3 weeks since now. I should also have more info about DALEs 0.1R today and we can start this GB. We gonna to this Aleph P 1.7 GB style 😉

Two more boards will be available (if somebody will be interested):

Simple preamplifer / buffer / riaa (25 boards):

An externally hosted image should be here but it was not working when we last tested it.


and
USB audio DAC (PCM2702) that I ordered today (limited to 25 boards):

An externally hosted image should be here but it was not working when we last tested it.
 
#34
Unfortunately there won't 0.1R/3W DALE resistors - they are unavailable. Set of resistors for this amplifier (one board) can look like this:

22.1k/0.1%/0.25W/25ppm/ELPOD x4
1k/0.1%/0.25W/25ppm/ELPOD x4
10k/1%/0.6W/metal film x2
2.7R/1%/0.6W/metal film x2

total cost: 4$
 
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