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Kenwood KAC-7201 to Alpine Type E 12s


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alexcohen420 
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Joined: May 19, 2003
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Posted: July 07, 2003 at 10:02 AM / IP Logged  
I just picked up 2 Alpine Type E 12s to replace my old Lanzars.  I am thinking of buying a Kenwood KAC 7201 amp to power them.  What are your thoughts on this?  The 12s are in a sealed box, I think 1.5 cubic ft per chamber, maybe 1.75. 
mark241 
Copper - Posts: 101
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Joined: March 23, 2003
Posted: July 07, 2003 at 5:07 PM / IP Logged  
I have the same amp for my single sub setup. If you can put a 2 ohm stereo load on it you shoud be able to get around 230 watts per sub (around that amount area).
alexcohen420 
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Posted: July 07, 2003 at 5:11 PM / IP Logged  

Cool, that's what I was planning.  In order to do so I only need to run my subs parallel correct?

mark241 
Copper - Posts: 101
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Joined: March 23, 2003
Posted: July 07, 2003 at 5:53 PM / IP Logged  
IF I'm not mistaken, the Type E subs are single 4 ohm voice coils so if you wire the both subs in parallel to one channel it should work.
Check out http://www.kenwoodusa.com/product/product.jsp?productTypeId=11&sortBy=price&pageId=3&productid=2477 for more specific details.
mark241 
Copper - Posts: 101
Copper spacespace
Joined: March 23, 2003
Posted: July 07, 2003 at 5:53 PM / IP Logged  
IF I'm not mistaken, the Type E subs are single 4 ohm voice coils so if you wire the both subs in parallel to one channel it should work (Not Bridged, because it is not 2 ohm mono stable)
Check out http://www.kenwoodusa.com/product/product.jsp?productTypeId=11&sortBy=price&pageId=3&productid=2477 for more specific details.
wvsquirrel 
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Posted: July 08, 2003 at 2:00 AM / IP Logged  
The Type E series are 4ohm SVC's. 200RMS 600Peak
If you wire them in parallel you will end up with a 2ohm total load. Since the KAC-7201 is not 2ohm Mono stable, your only choices with that amp are:
1) Wire both speakers in parallel to 1 channel (not a bridge, just use 1 channel) for apx 200 watts total (100 per sub). The amp is rated 230 x 2 @ 2ohms, but that is based on a 14.4 volt electrical system, not a 12 volt system.
2) Wire each sub independantly on it's own channel for apx 125 watts per sub.
You would be better off finding a 2ohm stable Class D Mono amp rated at least 400 x 1 @ 2ohms. If you're on a budget, the JBL BP600.1 would work nicely. On a 12 volt system you would get apx 550 watts total, or 275 watts per sub. You would be a lot happier. Just a thought...
Squirrel
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mark241 
Copper - Posts: 101
Copper spacespace
Joined: March 23, 2003
Posted: July 08, 2003 at 8:19 AM / IP Logged  
wvsquirrel is right, you'd only get 100 watts per sub with a 2 ohm load. My MIstake
alexcohen420 
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Posted: July 08, 2003 at 3:09 PM / IP Logged  

Well, thanks for all the responses, I ended up going w/ the Kenwood Amp, found a good deal on it via Ebay.  I looked at the JBL amp as well but it was a bit too expensive. 

My next step is going to be a component setup.  I will probably go w/ the Alpine Type R's based on decent prices from Ebay as well.  Plus we all know they are great speakers. 

Right now I am using 2 Boss tweeters but the amp is no longer working.  It's a piece of sh*t Optimus that someone gave me.  I want to get rid of the Boss tweeters, that's why I am going w/ the Type R's.  What would be a good amp to use w/ the 6.5's and the tweeters?

Thanks again for all the responses!


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