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Help tuning subwoofer amp with DD1


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Car: BMW 3 series

2 mono Amps: alpine mrv500, 2 subwoofers

Problem: Theres no volume display on the headunit, How do I properly set my gains without knowing the volume level it distorts at? explain in details please.

Question #2, I Listen to music on the Aux cord so do I need to play the DD-1 playlist off my phone rather than the Cd?

Edited by Mr.Angel
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2 minutes ago, Mr.Angel said:

Factory headunit with the idrive (navigation screen)

 

Ahh I see. I don't know anything about stock headunits really. But I have a DD-1 my self, and to your second question; In my experience at least (aftermarket Pioneer headunit) the volume levels are different between AUX and Bluetooth for example (by a lot actually). I don't know why that is though. 

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11 minutes ago, Pelihagen said:

 

Ahh I see. I don't know anything about stock headunits really. But I have a DD-1 my self, and to your second question; In my experience at least (aftermarket Pioneer headunit) the volume levels are different between AUX and Bluetooth for example (by a lot actually). I don't know why that is though. 

It's just a bit difficult to use it,. For one, factory speakers so it plays the tracks and the sound is annoying when I try to find where it distorts at. the only thing connect to the amp is just the sub wires along with Rca for the line out converter

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3 minutes ago, Mr.Angel said:

It's just a bit difficult to use it,. For one, factory speakers so it plays the tracks and the sound is annoying when I try to find where it distorts at. the only thing connect to the amp is just the sub wires along with Rca for the line out converter

Yeah 😕 Hopefully someone with more knowledge can chime in and help you out. Good luck. 🙂

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3 minutes ago, Pelihagen said:

Yeah " src="https://cdn.jsdelivr.net/emojione/assets/3.1/png/64/1f615.png"> Hopefully someone with more knowledge can chime in and help you out. Good luck. " src="https://cdn.jsdelivr.net/emojione/assets/3.1/png/64/1f642.png">

btw when tuning, do you set your bass boost on the amp all the way up (or preference) or leave evrything flat ?

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3 minutes ago, Mr.Angel said:

btw when tuning, do you set your bass boost on the amp all the way up (or preference) or leave evrything flat ?

I don't use bass boost on my amplifiers, but I have a remote bass-knob which I turn all the way up, then tune it. It says clearer how you can do it in the manual :)

Edit: I also have everything else flat, on my headunit for example. 

Edited by Pelihagen
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27 minutes ago, Pelihagen said:

I don't use bass boost on my amplifiers, but I have a remote bass-knob which I turn all the way up, then tune it. It says clearer how you can do it in the manual :)

Edit: I also have everything else flat, on my headunit for example. 

thing is I have 2 mono amps so I would need 2 bass boost knobs sadly

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