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<blockquote data-quote="i2ain2thunder" data-source="post: 7525046" data-attributes="member: 631331">Yeah IDK I almost wanna start a debate on this because I always set the gain via ears.&nbsp; I understand the equations and everything but picking a test tone from somewhere (seems like most people prob just get one from anywhere).A: how is 50 a good frequency to use, I&#039;ve heard 2 things one that it should be an octave lower than the lowest xover freq (assuming most ppl have this at 80-90 I guess 50 is close to that.&nbsp; Another thing I&#039;ve heard is that you use that tone because it is the middle of the range you have that speaker playing.B: different tone generators operate at different volumes and steadiness.....so to me I just don&#039;t trust having things that are pretty loosely throw together be some sort of exact measurement of wattage....to me it just doesn&#039;t seem like even ballpark accuracy.C: will voltage readout change based on RPMs/alternator influence?Thoughts?</blockquote>

[QUOTE="i2ain2thunder, post: 7525046, member: 631331"] Yeah IDK I almost wanna start a debate on this because I always set the gain via ears. I understand the equations and everything but picking a test tone from somewhere (seems like most people prob just get one from anywhere). A: how is 50 a good frequency to use, I've heard 2 things one that it should be an octave lower than the lowest xover freq (assuming most ppl have this at 80-90 I guess 50 is close to that. Another thing I've heard is that you use that tone because it is the middle of the range you have that speaker playing. B: different tone generators operate at different volumes and steadiness.....so to me I just don't trust having things that are pretty loosely throw together be some sort of exact measurement of wattage....to me it just doesn't seem like even ballpark accuracy. C: will voltage readout change based on RPMs/alternator influence? Thoughts? [/QUOTE]

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