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2V vs. 5V Head unit?
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<blockquote data-quote="T3mpest" data-source="post: 2432400" data-attributes="member: 560148"><p>you do know what nominal means right? IN NAME ONLY! Putting out a load nominally means it will put out a wide range of values depending on certain factors. A low preout signal won't cause your amp to clip. The amp's gain setting will allow you match it up the preout of your hu, if it clipped, it wasn't your hu's fault, user error is more like it. The mentality that bigger is better in this case has NO bearing. If your hu is at least putting out a big enough signal to be supported by your amp, your fine. With music hu's arent' putting out alot of voltage. Remember, for a pioneer to put out it's full voltage you need your volume all the way up, while playing a 1k test tone, any input smaller than that and you wont' see that much. Using musical content, your probably never seeing more than 2 volts out of it. It's not like an amps power rating, where it's what is physically being sent to the speakers. In this case, the signal is simply a catalyst for the amps, the size of the signal is meaningless for the most as long as you can pull full power from your amp with no noise, it's fine.</p><p></p><p>Basically if you switch out hu's to get a higher preout, your ONLY advantage is your ability to turn the gains down lower and get the same volume. This will improve your S/N ratio, but unless you were getting noise before, it doesn't matter. Most of the "it sounds better now" is just an increase in overall volume. If you don't reset your gains, your getting more sound/volume notch. However, simply turning up the gains on the lower voltage hu would have caused the same effect. People often confuse louder with sounding better, that's why level matching is more important. A lower gain setting isnt' always better, unless your inducing noise, or are clipping your signal by not compensating for it, it makes not difference.</p><p></p><p>PS. It's not like high end manufacturers EVER publish specs that make no actual difference, high end amps anyone?</p></blockquote><p></p>
[QUOTE="T3mpest, post: 2432400, member: 560148"] you do know what nominal means right? IN NAME ONLY! Putting out a load nominally means it will put out a wide range of values depending on certain factors. A low preout signal won't cause your amp to clip. The amp's gain setting will allow you match it up the preout of your hu, if it clipped, it wasn't your hu's fault, user error is more like it. The mentality that bigger is better in this case has NO bearing. If your hu is at least putting out a big enough signal to be supported by your amp, your fine. With music hu's arent' putting out alot of voltage. Remember, for a pioneer to put out it's full voltage you need your volume all the way up, while playing a 1k test tone, any input smaller than that and you wont' see that much. Using musical content, your probably never seeing more than 2 volts out of it. It's not like an amps power rating, where it's what is physically being sent to the speakers. In this case, the signal is simply a catalyst for the amps, the size of the signal is meaningless for the most as long as you can pull full power from your amp with no noise, it's fine. Basically if you switch out hu's to get a higher preout, your ONLY advantage is your ability to turn the gains down lower and get the same volume. This will improve your S/N ratio, but unless you were getting noise before, it doesn't matter. Most of the "it sounds better now" is just an increase in overall volume. If you don't reset your gains, your getting more sound/volume notch. However, simply turning up the gains on the lower voltage hu would have caused the same effect. People often confuse louder with sounding better, that's why level matching is more important. A lower gain setting isnt' always better, unless your inducing noise, or are clipping your signal by not compensating for it, it makes not difference. PS. It's not like high end manufacturers EVER publish specs that make no actual difference, high end amps anyone? [/QUOTE]
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