Good amp Subwoofer

spray2000

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Dec 2, 2015
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So, I'm using a good old receiver Kenwood vr-715 even though it has only 100 watt each channel, And it can't take my very powerful 10 inch" kicker subwoofer, So I need an amp and this receiver doesn't have a line in or preout and I need something to power my subwoofer I don't know the model number or anything like that.. All I know is I have to have my bass very low or my receiver will overheat and go in to protection mode, So I need an amp and it would be great if someone could link me to one that's good..
 

navalweaponsofficer

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Jan 3, 2012
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18,590
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The sub amp will be used solely for the sub. At 100W per channel you would want 150 or more watts at the sub. However it may be more cost effective to get a powered sub with high level ins'. There are some on the same site I provided before. you will not need as many watts when the sub is powered. another option would be to get a plate amplifier assuming their is room in your sub box.

Plate Amps
http://www.parts-express.com/cat/subwoofer-plate-amplifiers/332

I have this one
http://www.parts-express.com/bash-300s-digital-subwoofer-plate-amplifier-300w-rms--300-750

Sub Amp
http://www.parts-express.com/dayton-audio-sa230-230w-subwoofer-amplifier--300-813

Powered Sub cheapest id go is the SUB-1000 $119.00
http://www.parts-express.com/cat/powered-subwoofers/95
 

spray2000

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Dec 2, 2015
51
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If you get an amp to power a subwoofer will it use the rest of the power the amp could not handle from the receiver, Like let's say the receiver has 100 watts per channel and I get an amp for 200 watts would it add up to 300 or only use the amp watts?
 

navalweaponsofficer

Distinguished
Jan 3, 2012
33
0
18,590
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The sub amp will be used solely for the sub. At 100W per channel you would want 150 or more watts at the sub. However it may be more cost effective to get a powered sub with high level ins'. There are some on the same site I provided before. you will not need as many watts when the sub is powered. another option would be to get a plate amplifier assuming their is room in your sub box.

Plate Amps
http://www.parts-express.com/cat/subwoofer-plate-amplifiers/332

I have this one
http://www.parts-express.com/bash-300s-digital-subwoofer-plate-amplifier-300w-rms--300-750

Sub Amp
http://www.parts-express.com/dayton-audio-sa230-230w-subwoofer-amplifier--300-813

Powered Sub cheapest id go is the SUB-1000 $119.00
http://www.parts-express.com/cat/powered-subwoofers/95
 

spray2000

Estimable
Dec 2, 2015
51
0
4,580
0
I have to buy a line and preout or what ever it's called since my receiver doesn't support it, I'm wanting to pay 100 to 150 dollars for an amp and then I think the pre out and line in is like 50 unless you know a cord that's much cheaper, And one more thing is I have two outlet's on the back of my receiver that give me 150 watts of power, But people say I shouldn't use it because it will blow out my subwoofer which makes no since..
 

navalweaponsofficer

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Jan 3, 2012
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You do not need an amp pre amp out adapter/converter. You can buy an amp or sub that converts the signal for you. That is what I is was talking about in my last post "high level ins'" will do this for you.

As for the outlets I am assuming you mean AC outlets? You are correct the statement that using the outlets will blow out your subwoofer is wrong. Your subwoofer is passive (powered by the receiver's internal amplifier using speaker wire). Now that does not mean you can use those outlets to power an external amplifier for a subwoofer or to power a powered subwoofer. If you do that it will likely blow out the receiver and it will just cause the external sub or powered sub to shut off due to low input voltage.

look up the difference between voltage and current and look at Ohms law and you will understand the relationship better.
 
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