Alpine MRP-T130

Neo4 · 9 Nov 2007 at 17:07

Anyone know if there is enough power to feed a 10" Kenwood sub in a sealed enclosure with these amps?

ChoÞÞer · 9 Nov 2007 at 18:28

surely it depends on the rms on the amp?

ScoobyDoo69 · 9 Nov 2007 at 18:31

Easily, at 50W RMS per channel, you can bridge that and run a sub no problem

Might not be the most powerful sub bass you've heard, but it'll do the job! What car? Just looked at your signature, Alfa 156? I'd play around with the positioning of the sub in that boot, because it's hard to get decent sound through a saloon without more power.

Neo4 · 9 Nov 2007 at 18:58

ScoobyDoo69 said:
Easily, at 50W RMS per channel, you can bridge that and run a sub no problem Might not be the most powerful sub bass you've heard, but it'll do the job! What car? Just looked at your signature, Alfa 156? I'd play around with the positioning of the sub in that boot, because it's hard to get decent sound through a saloon without more power.

Alfa rather nicely fitted a port tube through the parcel shelf for there own sub system.

ScoobyDoo69 · 9 Nov 2007 at 19:06

Neo4 said:
Alfa rather nicely fitted a port tube through the parcel shelf for there own sub system.

Sounds like you'll be fine then

Neo4 · 9 Nov 2007 at 19:14

ScoobyDoo69 said:
Sounds like you'll be fine then

Lets hope so, just need to find a suitable grommet in the bulkhead to feed the power cable through.

ScoobyDoo69 · 9 Nov 2007 at 19:23

For a small amp like that you shouldn't even need to run large cable, so it should be fairly easy. Don't forget to run the power cable and RCA cables on seperate sides of the car to avoid interference!

Neo4 · 9 Nov 2007 at 19:26

ScoobyDoo69 said:
For a small amp like that you shouldn't even need to run large cable, so it should be fairly easy. Don't forget to run the power cable and RCA cables on seperate sides of the car to avoid interference!

I looked at getting shielded phonos from Autoleads which i hoped would allow me to run down 1 side but they are to thick and would need to be routed seperate anyway. :mad:

megakid · 9 Nov 2007 at 21:01

ScoobyDoo69 said:
For a small amp like that you shouldn't even need to run large cable, so it should be fairly easy. Don't forget to run the power cable and RCA cables on seperate sides of the car to avoid interference!

I'd put my neck on the line and say that is complete tosh.

The power cable carries a DC current and therefore does not contain any current (it's late, I cant remember the exact term) that can interfere with nearby cables. My friend had a very expensive (and I'm talking 2 grand per amp, 3 grand front comps etc) install and he ran his RCAs right next to his power cable without any issues.

Malt_Vinegar · 9 Nov 2007 at 21:19

Whereas i had terrible whining issues untill i separated the cables on both my old mini, and a corrolla

M0T · 9 Nov 2007 at 21:29

http://forum.alfa156.net/forum/forum_posts.asp?TID=27633&KW=interior

Shows you how to get the seats out, but you might want to get those wheels sorted first

megakid · 9 Nov 2007 at 21:40

Malt_Vinegar said:
Whereas i had terrible whining issues untill i separated the cables on both my old mini, and a corrolla

Did you disconnect/reseat the power cable when you rerouted them? It may have been a bad contact somewhere as I had major issues with whining until I reseated my earthing cable?

ScoobyDoo69 · 9 Nov 2007 at 23:55

megakid said:
I'd put my neck on the line and say that is complete tosh.

The power cable carries a DC current and therefore does not contain any current (it's late, I cant remember the exact term) that can interfere with nearby cables. My friend had a very expensive (and I'm talking 2 grand per amp, 3 grand front comps etc) install and he ran his RCAs right next to his power cable without any issues.

Well I'm just going on experience and advise that I've been given. In my old car, I ran everything down one side as it made sense. Higher the volume, higher the interference, made sure all contact points were clean and good - no difference. Unplug RCA and whip it over to other side of car, clean signal, and this was with a shielded cable too. So I wouldn't call it tosh...