Need Amp Help...
#1
Racer
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Need Amp Help...
I have (2) 8ohm speakers (JL 10w0)...
Each speaker is 125watts RMS...
I know I need to parallel wire them to drop them to 4Ohms... That would leave me with a single positive and a single negative wire coming from my box...
Questions:
1) If I get a 2-Channel amp, would I take that single pos and neg and bridge the channels?? or could I just run each 8Ohm speaker to it's own channel without parallel wiring them??
2) Should I get a 2-Channel amp that is rated (125watts x 2 @ 4Ohms RMS) or do I need to find a amp that is (125watts x 2 @ 4Ohms PEAK)
3) Would it be easier to get a mono amp so I don't have to bridge anything?? If so, what watts would I be looking for??
Also, I'm trying to spend under $200 for this amp so the cheapest amp I can get would be great... This is for my girlfriends car and she can't afford alot...
If anyone has any amp idea's with websites, please post them!! I need this amp ASAP... Trying to finish installation before I ship out (Military)...
Each speaker is 125watts RMS...
I know I need to parallel wire them to drop them to 4Ohms... That would leave me with a single positive and a single negative wire coming from my box...
Questions:
1) If I get a 2-Channel amp, would I take that single pos and neg and bridge the channels?? or could I just run each 8Ohm speaker to it's own channel without parallel wiring them??
2) Should I get a 2-Channel amp that is rated (125watts x 2 @ 4Ohms RMS) or do I need to find a amp that is (125watts x 2 @ 4Ohms PEAK)
3) Would it be easier to get a mono amp so I don't have to bridge anything?? If so, what watts would I be looking for??
Also, I'm trying to spend under $200 for this amp so the cheapest amp I can get would be great... This is for my girlfriends car and she can't afford alot...
If anyone has any amp idea's with websites, please post them!! I need this amp ASAP... Trying to finish installation before I ship out (Military)...
#2
Racer
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These are the 2 amps that I'm looking at... The first 1 is 125W per channel and the other amp is 250 bridged (125+125=250)...
Phoenix Gold Octane-R 4.0:2
* RMS Power Output: 125W x 2 @ 4 Ohm
* Peak Power Output: 250W x 2 @ 4 Ohm
* Birdged Output: 400W x 1 @ 4 Ohm
Website with Information: Here
or
Phoenix Gold Octane-R 2.5:2
* RMS Power Output: 80W x 2 @ 4 Ohm
* Peak Power Output: 160W x 2 @ 4 Ohm
* Birdged Output: 250W x 1 @ 4 Ohm
Website with Information: Here
Phoenix Gold Octane-R 4.0:2
* RMS Power Output: 125W x 2 @ 4 Ohm
* Peak Power Output: 250W x 2 @ 4 Ohm
* Birdged Output: 400W x 1 @ 4 Ohm
Website with Information: Here
or
Phoenix Gold Octane-R 2.5:2
* RMS Power Output: 80W x 2 @ 4 Ohm
* Peak Power Output: 160W x 2 @ 4 Ohm
* Birdged Output: 250W x 1 @ 4 Ohm
Website with Information: Here
#3
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Originally Posted by PureCrazed
1) If I get a 2-Channel amp, would I take that single pos and neg and bridge the channels?? or could I just run each 8Ohm speaker to it's own channel without parallel wiring them??
.
.
When you bridge an amp each channel "sees" 1/2 the total load, so if your amp is 2 ohm stable in stereo it is 4 ohm stable in bridge mode. That will give you the max safe power for most amps.
Originally Posted by PureCrazed
2) Should I get a 2-Channel amp that is rated (125watts x 2 @ 4Ohms RMS) or do I need to find a amp that is (125watts x 2 @ 4Ohms PEAK)
If you want to run an amp bridged to that 4 ohm load and not go over 250W total, then you should get one that's rated for 250W bridged mono into 4 ohms. But I'm still not sure what your intent is.
Originally Posted by PureCrazed
3) Would it be easier to get a mono amp so I don't have to bridge anything?? If so, what watts would I be looking for??
Originally Posted by PureCrazed
Also, I'm trying to spend under $200 for this amp so the cheapest amp I can get would be great... This is for my girlfriends car and she can't afford alot...
If anyone has any amp idea's with websites, please post them!! I need this amp ASAP... Trying to finish installation before I ship out (Military)...
If anyone has any amp idea's with websites, please post them!! I need this amp ASAP... Trying to finish installation before I ship out (Military)...
Best of luck!
#4
Racer
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Originally Posted by PureCrazed
Phoenix Gold Octane-R 4.0:2
* RMS Power Output: 125W x 2 @ 4 Ohm
* Peak Power Output: 250W x 2 @ 4 Ohm
* Birdged Output: 400W x 1 @ 4 Ohm
* RMS Power Output: 125W x 2 @ 4 Ohm
* Peak Power Output: 250W x 2 @ 4 Ohm
* Birdged Output: 400W x 1 @ 4 Ohm
Originally Posted by PureCrazed
Phoenix Gold Octane-R 2.5:2
* RMS Power Output: 80W x 2 @ 4 Ohm
* Peak Power Output: 160W x 2 @ 4 Ohm
* Birdged Output: 250W x 1 @ 4 Ohm
* RMS Power Output: 80W x 2 @ 4 Ohm
* Peak Power Output: 160W x 2 @ 4 Ohm
* Birdged Output: 250W x 1 @ 4 Ohm
#6
Racer
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It might be $20 but my speakers are only 250W bridged... I wouldn't need the extra power and it puts my speakers at risk of blowing... Now that I'm going to parellel them and bridge the amp, the cheaper one is the way to go...
#7
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Your speaker are ALWAYS at risk of blowing.
The 250W rating is the rating before the amp starts to distort - NOT a hard ceiling of power output. If you abuse the system and set up the amp wrong, you can blow those subs with either amp.
Another forum member and I had a long wanking argument about this... regardless of the side you take on it, it's acknowledged that you can blow up your speaker with either of those amps (if their outputs are not total lies - whichis always possible...).
The 250W rating is the rating before the amp starts to distort - NOT a hard ceiling of power output. If you abuse the system and set up the amp wrong, you can blow those subs with either amp.
Another forum member and I had a long wanking argument about this... regardless of the side you take on it, it's acknowledged that you can blow up your speaker with either of those amps (if their outputs are not total lies - whichis always possible...).
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#9
Racer
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PG amps are used in alot of small SPL and other competitions around the mid-south where I used to live... Without going into big competitions, the price for quality is rather well I think...
#13
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Originally Posted by PureCrazed
I don't want to spend more then $150... $200 is really pushing it... $240? nah...
It's for my girlfriends car, she doesn't need much to make her happy...
It's for my girlfriends car, she doesn't need much to make her happy...
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