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best amp for $200-$300


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xploder21 
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Posted: August 24, 2004 at 6:36 PM / IP Logged  
I need a new amp and I'm wondering which would be the best for my budget. I have to 1100W Subs with Dual Voice Coils and their RMS is 300. I was thinking a 1000W 2 channel.
kidtransam 
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Posted: August 24, 2004 at 6:38 PM / IP Logged  
what kind of subs and what impedence ?
With a torch and a big enough hammer...it WILL friggin fit!!
xploder21 
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Posted: August 24, 2004 at 7:02 PM / IP Logged  
Xplod(i know but hey its a start) 1100W MAX 300W RMS @ 4 ohms
kidtransam 
Copper - Posts: 99
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Posted: August 24, 2004 at 7:29 PM / IP Logged  
If they are d4s and 300w rms each..then you can wire them `series-parallel` and get a 4 ohm load...idealy you would get an amp that has an rms of 600w at 4 ohms x1
The Sony XM-DS1600P5 Class D amp will give you 500w @ 4ohm and will prob. keep you between 200-300. It wont max them out..but itll sound fine.
With a torch and a big enough hammer...it WILL friggin fit!!
xploder21 
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Posted: August 24, 2004 at 7:34 PM / IP Logged  

Would a punch 900W mono amplifier work. how  would i hook the subs in series-parallel. i know how to do series and then parallel but not both.

jeffchilcott 
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Posted: August 24, 2004 at 9:12 PM / IP Logged  
wire each sub + to + and - to -    then the positive from the amp to the positive of sub one     the negative of sub 1 to the positive of sub 2 the negative of sub 2 to the negative of the amp
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munchichee 
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Posted: August 24, 2004 at 9:19 PM / IP Logged  
Its a lot easier to give advice when you post the model number of everything in question.
If these are dual 4ohm voice coils here is an example of "series-parallel". This shows kicker subs but just use the "white dots" example to distiguish the voice coils.Voice coils are in series, then subs in parallel.
best amp for $200-$300 -- posted image.
Also you don't want to run anymore than 300W rms to those sony subs if you plan to keep them for long.
I have 2 Kicker CompVR 4ohm DVC's wired like that now, but if you get an amp that's 2ohm stable in stereo simply wire each sub like this.
best amp for $200-$300 -- posted image.
Finding an amp with 600W RMS @ 4ohm ain't gonna be cheap. Please post model numbers otherwise these replies could be completely useless.
munchichee 
Copper - Posts: 51
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Posted: August 24, 2004 at 9:35 PM / IP Logged  
jeffchilcott wouldn't that be a "parallel-series" configuration with the voice coils wired in parallel and subwoofers wired in series?
You get the same result of 4 ohms but woofers in series usually would end up with the wire connecting sub 1 + to sub 2 - left loose outside the box (if woofers are in separate chambers)... where woofers in parallel would have all wires to the amp. Just depends on the install.
Quote from bcae1.com
"You should remember:
1.In a series circuit, the current flow decreases and the impedance increases.
2.In a parallel circuit, the current flow increases and the impedance decreases."
kfr01 
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Posted: August 24, 2004 at 9:47 PM / IP Logged  

I wouldn't even quote the 1100 watt number.  Max wattage means very little, quote rms.  Also, you don't need to max out the RMS wattage rating to make your speakers sound good or even really loud. 

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xploder21 
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Posted: August 24, 2004 at 11:38 PM / IP Logged  
well my subs are Xs-L101P5's and the amp I was using before it blew was a 4 channel Jensen PS745. I bridged it to a 2 channel which should give out a max of 180 W X 2 @ 4 ohms. I blew one channel. My cd deck is CDX-F5000.
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