smd Amp Dyno

I like the idea, but I would like it much more if I could turn off the DD-1's on each channel.
Isn't that the key to its measuring ability? I would assume the preamp gain is raised by the "dyno" until the "built in dd1" reads 1% thd, and then it calculates wattage at that point.

 
Isn't that the key to its measuring ability? I would assume the preamp gain is raised by the "dyno" until the "built in dd1" reads 1% thd, and then it calculates wattage at that point.
You could easily make that manual and use a scope. I hate DD-1 and won't use any tools that include it.

 
You could easily make that manual and use a scope. I hate DD-1 and won't use any tools that include it.
Why? I'm sure you have good reason, but video of it side by side with an oscope seems to show it doing it's job.

 
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