ricco275
my friend visits, often refers to his phone spl meter, for relative volume info.
My speakers have two L-pads each: "Presence" and "Brilliance" (mid horn, tweeter horn) relative to their 15" cone woofer
That test CD: I go thru 29 1/3 octave bands, (individually select; pause; continue...) adjusting/moving/tweaking until I get the best output at my location in that space.
it’s not easy to get the pair’s output and l/r match perfected so frequencies don’t wander l or r as you go thru the range, but awesome when you get it right.
at seated ear height; at seated position.
for consistency, I prefer a separate directional meter on a tripod, giving me hands free capability for .....
these inexpensive spl meters can be ’perfectly’ calibrated after you receive them, however, all they really need to do is show relativity to be useful.
i.e. more or less, thanks for the answer.