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09-18-2018, 12:54 AM
Hi Guys
You have to get the amp up to clipping to clearly see the real limit of voltage swing on the scope, and clipping should be symmetrical. Just a little flattening. Read the voltage on the scope and back off to just before clipping and you can use a meter to take the RMS reading.
Going by the data sheet one would expect to use 3k3-aa for 88W output. 2k5 is too low and you'll get less power. What is Va and Vs under full load?
Have fun
You have to get the amp up to clipping to clearly see the real limit of voltage swing on the scope, and clipping should be symmetrical. Just a little flattening. Read the voltage on the scope and back off to just before clipping and you can use a meter to take the RMS reading.
Going by the data sheet one would expect to use 3k3-aa for 88W output. 2k5 is too low and you'll get less power. What is Va and Vs under full load?
Have fun
