help with tuning front speakers with amp.
what's the best way to tune the gains on an amp hooked up to door speakers? I have a 1000 watt amp powering 300 watt memphis audio components. Also (if this has been posted I'm terribly sorry) should I use the high pass filter function? What does it do and how would it make my stereo sound better? Any kind of walkthrough or help would be great.
I would turn all the levels all the way down, then turn the volume up to 80 percent of the max volume. Then crank the gain up until your speakers start distorting, then back the gain off a bit. Bass boost is for an untrained ear, and since you are using components I wouldn't suggest using it anyway if there is the option. Your high pass filter should be set between 80 and 120 Hz, it is up to your own tastes. It filters out frequencies below your set frequency level at a slope of usually 6 to 12 db per octave, each amp is different. If you have a sub then your high pass should be set to a level near what your sub's low pass is set at. If you don't have a sub i would probably set it at 90 to protect your speakers. Good luck at getting a good sound.
What he said. If you want some more in depth info here's a link to a very good gain setting tutorial and here's a link to Basic Car Audio Electronics (It has lots of info on all sorts of stuff).
Originally Posted by nebster
why in the hell do you have a 1000 watt amp powering 300 watt components?
oh wait those are all MAX POWER
oh wait those are all MAX POWER
)
There's nothing wrong with "too much power" or fearing you'll be "overpowering" your speakers...
I'd also use a lower xover point. Keep in mind that the speaker will have to move 4X further for each octave lower - for a given output. Example: The speaker moves 0.25" for 80hz at "X" spl, and an inch at 40hz at "X" spl.
I'd pick something between 80hz and 40hz, like 60hz. Most speakers can play this without bottoming out, but 60hz is borderline for the bass-heavy music and weaker speakers...
I'd also use a lower xover point. Keep in mind that the speaker will have to move 4X further for each octave lower - for a given output. Example: The speaker moves 0.25" for 80hz at "X" spl, and an inch at 40hz at "X" spl.
I'd pick something between 80hz and 40hz, like 60hz. Most speakers can play this without bottoming out, but 60hz is borderline for the bass-heavy music and weaker speakers...
http://www.insignia-products.com/pc-...amplifier.aspx
http://www.memphiscaraudio.com/produ...ails.asp?id=21
The amplifier is rated at 110 X 2 @ 4 ohms. Use the high pass filter set to ~60hz, and set the gain **** as low as practical. What I mean by this: You want as much gain as early on in the signal chain as possible. I'm guessing the only other item in your system is the head unit. Set the H/U to about 80% of it's capable output, and dial up the gain **** to where it's loud enough for you - or the speakers start to distort, then back off a bit. For what it's worth, my gains are almost all the way down...
http://www.memphiscaraudio.com/produ...ails.asp?id=21
The amplifier is rated at 110 X 2 @ 4 ohms. Use the high pass filter set to ~60hz, and set the gain **** as low as practical. What I mean by this: You want as much gain as early on in the signal chain as possible. I'm guessing the only other item in your system is the head unit. Set the H/U to about 80% of it's capable output, and dial up the gain **** to where it's loud enough for you - or the speakers start to distort, then back off a bit. For what it's worth, my gains are almost all the way down...
Yeah, I got it now. I'm not very fond of this amp, but, I have the eclipse cd3100 headunit, and it makes everything sound soooo crystal clear. And the speakers go loud as hell. Thanks for all your help everyone.
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