Help with system
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Help with system
Hey all, I have been having some problems iwth my aftermarket system.I have a JVC- BBEto 3, bass at 3, and treb 3. I have a 1000 watt Memphis amp with one 12 inch Rockford Fosgate Sub. The ppl that sold me the Amp were like don't turn up the Amp too high, otherwise u will blow ur sub. So I said yea Ok.. 
So I turned it on high knowing that I have a warentee on my sub 
..but when I turn my deck up to like 20 or 22, My aftermarket cd player turns off.. Maybe I have a short somewhere?
So I turned it on high knowing that I have a warentee on my sub ..but when I turn my deck up to like 20 or 22, My aftermarket cd player turns off.. Maybe I have a short somewhere? 
Registered!!
Joined: Aug 2001
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From: New York, US
Rep Power: 0 The amp is a 1000 watt amp .... and will put out 1000 watts as needed no matter where the gain is. Turning up the gain doesn't give you more or less power. All the gain will do is adjust how quickly it gets to that 1000 watts.
For example, say your cd player volume goes to 50. You can put the gain at 1/2 and you can turn the volume up to 45 before it distorts. Likewise you can put the gain up at full and you can turn the volume up to 20 before it distorts. Same difference, either way the sub is distorting when it hits the limit of how much power it can handle.
The catch is by turning the gain way up, you have the capability to overdrive the amp and sub since the volume can go much higher than it should. When this happens, the amp tries to put out more than the 1,000 watts, distortion and clipping result, and the sub gets hurt and blows. By cranking the gain you are just asking for trouble.
Similar to this you are cranking the BBE and bass ***** too. Generally these are used when the system is sub-standard (stock) and it can't give you the bass response you want. Since you have a sub it should fill in the bass quite nicely. There shouldn't be any need to bump these features any. If the bass is up, all this will do it cause the gain to not be able to be turned up as much. Plus added bass through the highs makes them break up much sooner than they should. If anything maybe keep the bass flat or like -1 or -2. Add in the amount of bass you want off the gain from the amp, then the highs will play much louder and clearer too.
Heres what you do. Turn off BBE, Treble to 0, and Bass to -1. Turn the amp gain all the way down. Now crank the cd player volume until the highs just start to distort then back down a notch or two. If the deck goes to 50, this should be about 42-45 or so. Now slowly turn up the sub gain until it distorts then back it off just a tad.
Now when you turn the volume up to 45:
- the bass will be as loud as it can be
- the highs will be as loud as it can be
- the highs will be clearer since they aren't trying to play so much bass (thats what the sub is for anyway)
- everything will be maxing out at the same time, right on the edge of distorting
For example, say your cd player volume goes to 50. You can put the gain at 1/2 and you can turn the volume up to 45 before it distorts. Likewise you can put the gain up at full and you can turn the volume up to 20 before it distorts. Same difference, either way the sub is distorting when it hits the limit of how much power it can handle.
The catch is by turning the gain way up, you have the capability to overdrive the amp and sub since the volume can go much higher than it should. When this happens, the amp tries to put out more than the 1,000 watts, distortion and clipping result, and the sub gets hurt and blows. By cranking the gain you are just asking for trouble.
Similar to this you are cranking the BBE and bass ***** too. Generally these are used when the system is sub-standard (stock) and it can't give you the bass response you want. Since you have a sub it should fill in the bass quite nicely. There shouldn't be any need to bump these features any. If the bass is up, all this will do it cause the gain to not be able to be turned up as much. Plus added bass through the highs makes them break up much sooner than they should. If anything maybe keep the bass flat or like -1 or -2. Add in the amount of bass you want off the gain from the amp, then the highs will play much louder and clearer too.
Heres what you do. Turn off BBE, Treble to 0, and Bass to -1. Turn the amp gain all the way down. Now crank the cd player volume until the highs just start to distort then back down a notch or two. If the deck goes to 50, this should be about 42-45 or so. Now slowly turn up the sub gain until it distorts then back it off just a tad.
Now when you turn the volume up to 45:
- the bass will be as loud as it can be
- the highs will be as loud as it can be
- the highs will be clearer since they aren't trying to play so much bass (thats what the sub is for anyway)
- everything will be maxing out at the same time, right on the edge of distorting
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Originally Posted by Marcus
Hey all, I have been having some problems iwth my aftermarket system.I have a JVC- BBEto 3, bass at 3, and treb 3. I have a 1000 watt Memphis amp with one 12 inch Rockford Fosgate Sub. The ppl that sold me the Amp were like don't turn up the Amp too high, otherwise u will blow ur sub. So I said yea Ok.. So I turned it on high knowing that I have a warentee on my sub ..but when I turn my deck up to like 20 or 22, My aftermarket cd player turns off.. Maybe I have a short somewhere?
So I turned it on high knowing that I have a warentee on my sub ..but when I turn my deck up to like 20 or 22, My aftermarket cd player turns off.. Maybe I have a short somewhere?
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