SupraSPL
Well-Known Member
Hey BT, it would be no problem to run the Vero29 at 2.1A on the Alpine11 even though the fan is relatively low rpm, 5V creates enough pressure to move the air between fins without overdoing it. So in this case low RPM works out in our favor because 5V adapters are plentiful, cheap and easier to load match. Approx power consumption of the Alpine11 fan:
5V = .3W (60mA)
6V = .45W (75mA)
7.5V = .8W (105mA)
You could run it at 5V and get ~2.5% temp droop. At 6V, ~2% temp droop. 7.5V bumps into the law of diminishing returns with no improvement in temp droop.
From every test I have done so far, the only time I have seen results that would justify running the Alpine11 at 7.5V was when testing CXA3070s at 2.5A. At 5V temp droop was ~4.5-5.5% and at 7.5V it was ~3.5-4.5%.
5V = .3W (60mA)
6V = .45W (75mA)
7.5V = .8W (105mA)
You could run it at 5V and get ~2.5% temp droop. At 6V, ~2% temp droop. 7.5V bumps into the law of diminishing returns with no improvement in temp droop.
From every test I have done so far, the only time I have seen results that would justify running the Alpine11 at 7.5V was when testing CXA3070s at 2.5A. At 5V temp droop was ~4.5-5.5% and at 7.5V it was ~3.5-4.5%.
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