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digital design 1512 

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 1:22 pm 
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jrloz wrote:
phongus wrote:
What do you mean by the friend crank factor? do you mean by a friend cranking up the volume while I drive?

Yep.

phongus wrote:
If so that's covered, at max volume the sub won't be over powered by the amp, hence only 50% gain at the amp. Tuned at max volume at the head unit with adjustments made at the amplifier for no distortion at higher head unit volume.


The only problem i have with that is that you tuned it at MAX headunit volume, im not sure if your headunit has a setting to stop volume increases at a certain point but most will distort at higher volumes, you would get better sound upping the amp gain and lowering the pre out voltage.


Volume stops, I think, at 60...can't turn the knob to go any higher then that. However I do get worried if someone decides to flick the "loudness" button causing the sound level to increase and cause havoc at max volume. Rarely listen to it at max vol anyways...anywhere between 30 - 40 is good enough for the ears :D.

Anyways hope OP has got an idea of what to do and got some new info ;)

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 1:46 pm 
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phongus wrote:
Anyways hope OP has got an idea of what to do and got some new info ;)

Im sure we can make a case that we were staying on topic :P
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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 5:05 pm 
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haha forums is off typic abit but yer i got what i was after so the dd1512 rms is 500 and you are recommending a 900rms amp? i get why u r saying that but is 900rms over kill?

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 5:12 pm 
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the sub will only ever run 500 efficiently... so twice the power is probably a bit of over kill... hence limiting the signal too the amp (preout voltage or gain knob on amp), protects the sub... Just means you have leeway for larger in the future...

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 5:15 pm 
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Kenwood KAC-9104D... Would buy over that Jaycar any day.
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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 5:30 pm 
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yer im think im going to tell him to have a look at the Kenwood KAC-9104D seems like a good choice for the amount that it costs agree?

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 5:52 pm 
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Cheaper, more power and arguably better quality than the Jaycar amp :)
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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 7:14 pm 
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what is your throughts on this subwoofer Kenwood KFC-W3011 12" Sub

 

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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 8:33 pm 
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Not a fan of Kenwood subs.
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 Post subject: Re: digital design 1512
Posted: Sat Feb 13, 2010 8:34 pm 
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Get an Alpine Type R ;)
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