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<blockquote data-quote="tcguy85" data-source="post: 3642769" data-attributes="member: 574289">i just answered this question about 30 seconds ago in another post, so i&#039;ll copy and paste this here as well.....to set the gains: find a -3db 1khz test tone and burn it onto a cd. unhook the speakers from the amp, hook a DMM to the speaker terminals on the amp(set it to a/c volts). turn the volume up to the number you would listen at(roughly 2/3 or 3/4 of the way up on most head units). play the test tone on repeat. start with the gain all the way down and slowly turn it up till you get the desired number to read on the DMM.for 150 watts at 4 ohms the number you want to see on the display will be 24.5 volts a/c.to get this you take the ohms(4) and multiply it by the wattage(150) and then take that number and get the square root of it. that number will be a/c volts.now like i was saying before.... with the gains set this way the speakers should never see 150 watts rms. as long as you respect the volume knob and don&#039;t turn it past the point you used when you set the gains.i have stuck the leads on the dmm on my speaker terminals while playing music loudly and i was only seeing numbers in the mid to high teens. for example 18 volts a/c is only 80 watts at 4ohms. then you have to factor in impedance rise as well. so i doubt my fronts have ever seen more than 100 watts for a very quick peak.with all that being said they will be fine on 150 watts rms! <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" /></blockquote>

[QUOTE="tcguy85, post: 3642769, member: 574289"] i just answered this question about 30 seconds ago in another post, so i'll copy and paste this here as well..... to set the gains: find a -3db 1khz test tone and burn it onto a cd. unhook the speakers from the amp, hook a DMM to the speaker terminals on the amp(set it to a/c volts). turn the volume up to the number you would listen at(roughly 2/3 or 3/4 of the way up on most head units). play the test tone on repeat. start with the gain all the way down and slowly turn it up till you get the desired number to read on the DMM. for 150 watts at 4 ohms the number you want to see on the display will be 24.5 volts a/c. to get this you take the ohms(4) and multiply it by the wattage(150) and then take that number and get the square root of it. that number will be a/c volts. now like i was saying before.... with the gains set this way the speakers should never see 150 watts rms. as long as you respect the volume knob and don't turn it past the point you used when you set the gains. i have stuck the leads on the dmm on my speaker terminals while playing music loudly and i was only seeing numbers in the mid to high teens. for example 18 volts a/c is only 80 watts at 4ohms. then you have to factor in impedance rise as well. so i doubt my fronts have ever seen more than 100 watts for a very quick peak. with all that being said they will be fine on 150 watts rms! :-) [/QUOTE]

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