agedhorse Posted 3 hours ago Posted 3 hours ago 4 hours ago, itu said: We could... FLTP 1000 km is a real life test for electric cars. It is something completely different from what car manufacturers are telling us. Any bass meeting could make tests of the amps and cabs and publish results to some webpage like BC. Requirements and tests are pretty straightforward if someone has a 1 m stick, a noise source, and a decent audio analyzer. Not as straight forward as you think. Sure you can generate numbers, but how accurate and also how useful is more difficult. The more you measure, the more difficult you realize the task becomes. 3 hours ago, tauzero said: I would suggest that rather than using actual noise (antisocial and not necessarily easily reproduced), a better approach would be to create a dummy load that would emulate a speaker and measure the voltage across that to establish output power. A crucial point would be a means of measuring THD and maybe have two sets of measurements, one at 1% THD and one at 10% THD. Then do four plots, two with tone controls set at 12 o'clock at 1% and 10% THD respectively, and another two with tone controls set where they give the flattest frequency response (and document those settings), again at 1% and 10% THD. This is just off the top of my head, I'm sure there are lots of holes that can be picked in it. Agreed, there are lots of holes in your good intensions. It’s in part equating the numbers to real world performance is much more difficult than it appears. Quote
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