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PN4.520D FINALLY installed

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  #11  
Old 11-12-2015 | 02:07 PM
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AAWAV
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bike running!!!!!!!! - see "my" sticky with bench test results and UN's sticky regarding DDM dial in.
On the latter.... READ the DDM stickey BACKWARDS. UN started the thread with the explanation on how to calculate the Vac value and it is incorrect.
only use 1 channel value (so for 2 ohm speaker on the 4.520 that would be 130W)
if you read the complete thread, you will see me and UN (A GOOD friend of mine) go back and forth on 130 or 260W (for your example) used for calculating the VaC.
After I did the initial batch of amp tests and UN did some as well (with WAY better equipment), he "confessed" I was right (O scopes simply do not lie LOL).
 
  #12  
Old 11-12-2015 | 04:24 PM
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Originally Posted by AAWAV
bike running!!!!!!!! - see "my" sticky with bench test results and UN's sticky regarding DDM dial in.
On the latter.... READ the DDM stickey BACKWARDS. UN started the thread with the explanation on how to calculate the Vac value and it is incorrect.
only use 1 channel value (so for 2 ohm speaker on the 4.520 that would be 130W)
if you read the complete thread, you will see me and UN (A GOOD friend of mine) go back and forth on 130 or 260W (for your example) used for calculating the VaC.
After I did the initial batch of amp tests and UN did some as well (with WAY better equipment), he "confessed" I was right (O scopes simply do not lie LOL).
So if I read this correctly:
P=130
R=2 ohms
V=130 x 2.0 = 260 square root = 16.12 VAC


If I use the 2.7 ohm (which is what I did) I get 18.73VAC, mine are set at the limit that UN had in the first part of the sticky so the gains are really high right now.
 
  #13  
Old 11-12-2015 | 04:33 PM
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They should be right around 11 o'clock.

2010 Limited with some stuff
 
  #14  
Old 11-12-2015 | 08:59 PM
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readjusted the gains tonight. Have a vid for it. SBates you were not too far off. The gains are between 11 and 12 on the dials at 16.14V.

 
  #15  
Old 11-12-2015 | 09:03 PM
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Good deal. You should be good to go now. Out of curiosity, how high were your gains before?

2010 Limited with some stuff
 
  #16  
Old 11-12-2015 | 09:05 PM
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about 130 if i remember correctly.
 
  #17  
Old 11-12-2015 | 09:07 PM
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Yep. Those speakers wouldn't have lasted long like that.

2010 Limited with some stuff
 
  #18  
Old 11-12-2015 | 10:01 PM
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I dont think they will last long with the correct settings to be honest. I have had the fronts since 2009 so they have served their purpose! On to the Inifinity's....and beyond...LOL
 
  #19  
Old 11-29-2015 | 02:46 PM
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I've been reading through a bunch of threads. How do the Kicker CS654's sound compared to the Infinitiys? In Best Buy they sound really flat without an amp. Problem is I cant find any Inifitys locally (YET) to listen to.
 
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