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<blockquote data-quote="fazio93" data-source="post: 6834993" data-attributes="member: 620652">yes i was playing a 50hz tone.i did the equation correct [sqrt root(400 RMS * 2 ohms)] ~28Valso, i have a JVC head unit with stock speakers. there is an &#039;amp gain&#039; feature on the head unit:Amplifier Gain Control: When you are using this head unit with factory speakers (or those rated to less than 50 watts peak), the Amplifier Gain Control can limit the amount of power being sent to those speakers. When the Amp Gain Control is set to low, the volume control ranges from 0 (minimum) to 30 (maximum). When using speakers rated higher than 50 watts peak, you can set the Amp Gain Control to high, and the volume control will range from 0 to 50. The internal amp can also be turned of when all the speakers are powered by outboard amplifiers.I have it set to low power because I&#039;m not sure how much my stocks can handle. I can&#039;t decide whether to set it to high or low power. if i set it to high power i can crank it up to about 40 before it starts distorting (when playing my mp3 player, AUX in) but I can only reach about ~25 with a regular radio station. i have the aux accessory volume control up to max (0-5, set to 5) but my radio stations are always louder. so when i set the gain, either i wont be able to reach my amp&#039;s full potential b/c i will not be able to increase the volume as much on a radio station, or i will overpower the amp if i have to crank the head unit volume up when using my mp3 player.so by max I meant is was at 30 (out of the max 50).thanks</blockquote>

[QUOTE="fazio93, post: 6834993, member: 620652"] yes i was playing a 50hz tone. i did the equation correct [sqrt root(400 RMS * 2 ohms)] ~28V also, i have a JVC head unit with stock speakers. there is an 'amp gain' feature on the head unit: Amplifier Gain Control: When you are using this head unit with factory speakers (or those rated to less than 50 watts peak), the Amplifier Gain Control can limit the amount of power being sent to those speakers. When the Amp Gain Control is set to low, the volume control ranges from 0 (minimum) to 30 (maximum). When using speakers rated higher than 50 watts peak, you can set the Amp Gain Control to high, and the volume control will range from 0 to 50. The internal amp can also be turned of when all the speakers are powered by outboard amplifiers. I have it set to low power because I'm not sure how much my stocks can handle. I can't decide whether to set it to high or low power. if i set it to high power i can crank it up to about 40 before it starts distorting (when playing my mp3 player, AUX in) but I can only reach about ~25 with a regular radio station. i have the aux accessory volume control up to max (0-5, set to 5) but my radio stations are always louder. so when i set the gain, either i wont be able to reach my amp's full potential b/c i will not be able to increase the volume as much on a radio station, or i will overpower the amp if i have to crank the head unit volume up when using my mp3 player. so by max I meant is was at 30 (out of the max 50). thanks [/QUOTE]

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